Anthropic

Every recorded change to 8 public pages. Faded entries are wording-only changes.

1. Nov 0644 line(s) added, 45 removed (around "April 9, 2025").api-release-noteschangelog+44 −45raw difflive page
2. Nov 053 line(s) added, 7 removed.api-pricingpricing+3 −7raw difflive page
3. Nov 0538 line(s) added, 44 removed.rate-limitslimits+38 −44raw difflive page
4. Nov 0539 line(s) added, 25 removed (around "November 5, 2026").api-release-noteschangelog+39 −25raw difflive page
5. Nov 0517 line(s) added, 17 removed.model-deprecationsdeprecations+17 −17raw difflive page
6. Nov 0597 line(s) added, 81 removed (around "Ultra").pricing+97 −81raw difflive page

1. Oct 30Minor: Added the model ID for Claude Mythos Preview and capitalized Token counting in the token usage calculation section.api-pricingpricing+1 −1raw difflive page
2. Oct 301 line(s) added, 1 removed.api-pricingpricing+1 −1raw difflive page
3. Oct 29Renamed Extra usage to Usage credits in the pricing table.pricing+1 −1raw difflive page
4. Oct 291 line(s) added, 1 removed.pricing+1 −1raw difflive page
5. Oct 29Removed the announcement that inference hooks are out of beta for Claude Enterprise organizations.api-release-noteschangelog+4 −4raw difflive page
6. Oct 294 line(s) added, 4 removed (around "October 23, 2026").api-release-noteschangelog+4 −4raw difflive page
7. Oct 28Added Claude Models on Google Cloud (Google managed) to the pricing page and updated CCU conversion rates to $0.01 USD per CCU.api-pricingpricing+48 −48raw difflive page
8. Oct 2848 line(s) added, 48 removed.api-pricingpricing+48 −48raw difflive page
9. Oct 28Added High-risk Use Case Requirements requiring human accountability and disclosure for AI-driven decisions affecting health, legal rights, finances, or essential services.usage-policypolicy+25 −22raw difflive page
10. Oct 2825 line(s) added, 22 removed (around "Universal Usage Standards").usage-policypolicy+25 −22raw difflive page
11. Oct 25Converted the Legal Bases for Processing table from a markdown table format to a nested list format.privacy+108 −14raw difflive page
12. Oct 25108 line(s) added, 14 removed.privacy+108 −14raw difflive page
13. Oct 24Minor: Updated wording and formatting for rate limit descriptions and clarified Claude Haiku 3.5 availability on Google Cloud.rate-limitslimits+18 −18raw difflive page
14. Oct 2418 line(s) added, 18 removed (around "Setting lower limits for workspaces").rate-limitslimits+18 −18raw difflive page
15. Oct 24Minor: formatting or layout only, no wording changed.consumer-termsterms+12 −12raw difflive page
16. Oct 24Minor: formatting or layout only, no wording changed.consumer-termsterms+12 −12raw difflive page
17. Oct 24Anthropic launched Claude Models on Google Cloud, released API version 2026-10-21, and updated SDK licenses to Apache 2.0.api-release-noteschangelog+64 −46raw difflive page
18. Oct 2464 line(s) added, 46 removed (around "October 22, 2026").api-release-noteschangelog+64 −46raw difflive page
19. Oct 22Claude Code is no longer included in the Pro plan but is now added to the Max plan.pricing+1 −2raw difflive page
20. Oct 221 line(s) added, 2 removed.pricing+1 −2raw difflive page
21. Oct 20Reduced Claude Opus 5.5 input costs to $4 USD / MTok and output costs to $20 USD / MTok, and added Fast mode to Microsoft Foundry.api-pricingpricing+12 −13raw difflive page
22. Oct 2012 line(s) added, 13 removed.api-pricingpricing+12 −13raw difflive page
23. Oct 20Minor: Removed the link to download a PDF version of the Usage Policy.usage-policypolicy+0 −1raw difflive page
24. Oct 200 line(s) added, 1 removed.usage-policypolicy+0 −1raw difflive page
25. Oct 17Claude Opus 5.5 fast mode is out of research preview with default rate limits, and OpenTelemetry export is now in beta.api-release-noteschangelog+10 −2raw difflive page
26. Oct 1710 line(s) added, 2 removed (around "October 15, 2026").api-release-noteschangelog+10 −2raw difflive page
27. Oct 17Minor: Updated documentation to include direct URLs for the Rate limits, Billing, and Usage pages in the Claude Console.rate-limitslimits+9 −9raw difflive page
28. Oct 179 line(s) added, 9 removed.rate-limitslimits+9 −9raw difflive page
29. Oct 15Added monthly API credits to Max ($100–$200) and Team ($500) plans, included Claude Code in Pro and Max, and updated Enterprise seat minimums.pricing+20 −5raw difflive page
30. Oct 1520 line(s) added, 5 removed.pricing+20 −5raw difflive page
31. Oct 13Updated the Usage Policy to include specific categories for high-risk use cases, agentic use, and verification programs for cyber and life sciences.usage-policypolicy+146 −75raw difflive page
32. Oct 13146 line(s) added, 75 removed (around "Do Not Violate Applicable Laws or Engage in Illegal Activity").usage-policypolicy+146 −75raw difflive page
33. Oct 13Added Claude Haiku 5.5 with tiered pricing for prompts over 100,000 tokens and updated cache read costs for Claude Sonnet 5.5.api-pricingpricing+25 −22raw difflive page
34. Oct 1325 line(s) added, 22 removed.api-pricingpricing+25 −22raw difflive page
35. Oct 12Updated recommended replacements for several deprecated models to claude-sonnet-5-5 and added claude-haiku-5-5 to the model list.model-deprecationsdeprecations+7 −6raw difflive page
36. Oct 127 line(s) added, 6 removed.model-deprecationsdeprecations+7 −6raw difflive page
37. Oct 10Added Start, Build, Scale, and Custom tiers with specific RPM, ITPM, and OTPM limits for various Claude models and Message Batches.rate-limitslimits+46 −5raw difflive page
38. Oct 1046 line(s) added, 5 removed.rate-limitslimits+46 −5raw difflive page
39. Oct 10Claude Haiku 5.5 is launched, prompt cache reads for Claude Sonnet 5.5 are reduced to $0.10 per million tokens, and Claude Max and Team plans now include monthly API credits.api-release-noteschangelog+22 −1raw difflive page
40. Oct 1022 line(s) added, 1 removed (around "October 9, 2026").api-release-noteschangelog+22 −1raw difflive page
41. Oct 08Added Haiku 5.5 with tiered pricing for prompts under and over 100K tokens and updated Sonnet prompt caching rates.pricing+32 −12raw difflive page
42. Oct 0832 line(s) added, 12 removed (around "Haiku 5.5").pricing+32 −12raw difflive page
43. Oct 03Launched Claude Sonnet 5.5 and announced the deprecation of Claude Sonnet 4.5 with retirement scheduled for November 30, 2026.api-release-noteschangelog+7 −1raw difflive page
44. Oct 037 line(s) added, 1 removed (around "September 30, 2026").api-release-noteschangelog+7 −1raw difflive page
45. Oct 03Added Claude Sonnet 5.5 to the rate limits table and updated the Sonnet 4.x bucket description to exclude it.rate-limitslimits+3 −2raw difflive page
46. Oct 033 line(s) added, 2 removed.rate-limitslimits+3 −2raw difflive page
47. Oct 03Claude Sonnet 4.5 model claude-sonnet-4-5-20250929 is now deprecated and will be retired on November 30, 2026.model-deprecationsdeprecations+7 −1raw difflive page
48. Oct 037 line(s) added, 1 removed (around "2026-09-30: Claude Sonnet 4.5 model").model-deprecationsdeprecations+7 −1raw difflive page
49. Oct 01Added Sonnet 5.5 with prompt caching and pricing of $0.20 per million tokens for read and $2.50 per million tokens for write.pricing+14 −3raw difflive page
50. Oct 0114 line(s) added, 3 removed (around "Sonnet 5.5").pricing+14 −3raw difflive page

1. Sep 29Added Claude Opus 5.5 at $4/$20 per MTok and Claude Sonnet 5.5 at $2/$10 per MTok while removing Claude Consumption Units definitions.api-pricingpricing+72 −50raw difflive page
2. Sep 2972 line(s) added, 50 removed.api-pricingpricing+72 −50raw difflive page
3. Sep 26Launched Claude Opus 5.5 at $4/$20 per MTok with a 1M context window, adaptive thinking, and new inline tool definitions.api-release-noteschangelog+18 −3raw difflive page
4. Sep 2618 line(s) added, 3 removed (around "September 24, 2026").api-release-noteschangelog+18 −3raw difflive page
5. Sep 25Added claude-opus-5-5 as an active model and removed the deprecation notice for claude-mythos-preview.model-deprecationsdeprecations+1 −1raw difflive page
6. Sep 251 line(s) added, 1 removed.model-deprecationsdeprecations+1 −1raw difflive page
7. Sep 24Added Opus 5.5 with prompt caching priced at $0.20 per million tokens for reads, $4 for writes, and $20 for outputs.pricing+51 −40raw difflive page
8. Sep 2451 line(s) added, 40 removed (around "Opus 5.5").pricing+51 −40raw difflive page
9. Sep 22Added Claude Opus 5.5 with a 1,000 RPM limit and updated Claude Platform on AWS to allow automatic tier movement.rate-limitslimits+4 −3raw difflive page
10. Sep 224 line(s) added, 3 removed.rate-limitslimits+4 −3raw difflive page
11. Sep 19The Messages API now supports on-demand conversation compaction in beta using the compact-2026-09-04 header and the compaction parameter.api-release-noteschangelog+5 −1raw difflive page
12. Sep 195 line(s) added, 1 removed (around "September 18, 2026").api-release-noteschangelog+5 −1raw difflive page
13. Sep 18Added claude-mythos-5-1, claude-mythos-5, and claude-mythos-preview to the model deprecations table.model-deprecationsdeprecations+3 −0raw difflive page
14. Sep 183 line(s) added, 0 removed.model-deprecationsdeprecations+3 −0raw difflive page
15. Sep 17Updated context windows to up to 1M for all plans and removed Opus 4.1 pricing from the API section.pricing+37 −55raw difflive page
16. Sep 1737 line(s) added, 55 removed (around "Opus 4.1").pricing+37 −55raw difflive page
17. Sep 13Added supplemental disclosures for residents of the Republic of Korea regarding data collection, processing delegation, and overseas transfers.privacy+21 −10raw difflive page
18. Sep 1321 line(s) added, 10 removed.privacy+21 −10raw difflive page
19. Sep 12Claude Managed Agents now support auto permission policies and the ant CLI adds a session connection command for live terminal interaction.api-release-noteschangelog+4 −0raw difflive page
20. Sep 124 line(s) added, 0 removed (around "September 10, 2026").api-release-noteschangelog+4 −0raw difflive page
21. Sep 10Minor: Updated the pricing page with new call-to-action buttons, plan descriptions, and links to detailed pricing and sales contact information.pricing+38 −54raw difflive page
22. Sep 1038 line(s) added, 54 removed (around "Education plan").pricing+38 −54raw difflive page
23. Sep 09Added claude-fable-5-1 to the model deprecations table with a tentative retirement date of not sooner than September 1, 2027.model-deprecationsdeprecations+1 −0raw difflive page
24. Sep 091 line(s) added, 0 removed.model-deprecationsdeprecations+1 −0raw difflive page
25. Sep 08Added Claude Fable 5.1 and Claude Mythos 5.1 models with a 0.025x cache hit multiplier and $0.25 per million token pricing.api-pricingpricing+8 −3raw difflive page
26. Sep 088 line(s) added, 3 removed.api-pricingpricing+8 −3raw difflive page
27. Sep 05Updated model version names for Fable, Opus, and Sonnet and revised the rate limit documentation for cached input tokens.rate-limitslimits+13 −12raw difflive page
28. Sep 0513 line(s) added, 12 removed.rate-limitslimits+13 −12raw difflive page
29. Sep 05Launched Claude Fable 5.1 and Claude Mythos 5.1 with 1M context windows, 128k max output tokens, and $0.25 per MTok prompt cache reads.api-release-noteschangelog+14 −1raw difflive page
30. Sep 0514 line(s) added, 1 removed (around "September 3, 2026").api-release-noteschangelog+14 −1raw difflive page
31. Sep 03Added Fable 5.1 at $0.25 / MTok and updated legacy model pricing to $10 / MTok for input and $50 / MTok for output.pricing+37 −27raw difflive page
32. Sep 0337 line(s) added, 27 removed (around "Fable 5.1").pricing+37 −27raw difflive page
33. Sep 01Minor: formatting or layout only, no wording changed.api-pricingpricing+4 −4raw difflive page
34. Sep 01Minor: formatting or layout only, no wording changed.api-pricingpricing+4 −4raw difflive page

1. Aug 29Anthropic added personal and service account keys, launched the Admin API in multiple SDKs, and moved Compliance API session endpoints out of beta.api-release-noteschangelog+11 −3raw difflive page
2. Aug 2911 line(s) added, 3 removed (around "August 27, 2026").api-release-noteschangelog+11 −3raw difflive page
3. Aug 27The Python SDK (v1.0 and later) now removes temperature, top_p, and top_k parameters, raising a TypeError if they are passed.model-deprecationsdeprecations+1 −1raw difflive page
4. Aug 271 line(s) added, 1 removed.model-deprecationsdeprecations+1 −1raw difflive page
5. Aug 25Updated computer use and browser use toolset overhead to 4,500 and 6,600 input tokens respectively, and added browser use tool pricing.api-pricingpricing+12 −6raw difflive page
6. Aug 2512 line(s) added, 6 removed (around "Browser use tool").api-pricingpricing+12 −6raw difflive page
7. Aug 22Released Python SDK v1.0, launched the browser use tool, and moved the computer use tool out of beta on the Claude API.api-release-noteschangelog+36 −21raw difflive page
8. Aug 2236 line(s) added, 21 removed (around "August 20, 2026").api-release-noteschangelog+36 −21raw difflive page
9. Aug 22Added details on spend cap behavior, including HTTP 429 and 400 error codes, and introduced separate rate limits for the Files API.rate-limitslimits+24 −3raw difflive page
10. Aug 2224 line(s) added, 3 removed (around "Reaching your spend cap").rate-limitslimits+24 −3raw difflive page
11. Aug 20Minor: Renamed Claude for Chrome to Claude in Chrome and removed Non-standard terms and MSA from the Enterprise features list.pricing+2 −4raw difflive page
12. Aug 202 line(s) added, 4 removed.pricing+2 −4raw difflive page
13. Aug 18Claude Sonnet 5 introductory pricing of $2/$10 per million input/output tokens is now the permanent standard price.api-pricingpricing+3 −5raw difflive page
14. Aug 183 line(s) added, 5 removed.api-pricingpricing+3 −5raw difflive page
15. Aug 15Minor: Updated documentation regarding prompt caching, rate limit increase requests, and added the anthropic-workspace-id response header.rate-limitslimits+3 −10raw difflive page
16. Aug 153 line(s) added, 10 removed.rate-limitslimits+3 −10raw difflive page
17. Aug 14Claude Sonnet 5 pricing is now standard at $2 / $10 per MTok, and Claude Opus 4.1 has been retired.api-release-noteschangelog+20 −8raw difflive page
18. Aug 1420 line(s) added, 8 removed (around "August 11, 2026").api-release-noteschangelog+20 −8raw difflive page
19. Aug 13Removed the introductory pricing of $2/$10 per million input/output tokens through August 31, 2026.pricing+4 −5raw difflive page
20. Aug 134 line(s) added, 5 removed.pricing+4 −5raw difflive page
21. Aug 10Claude Opus 4.1 is now listed as retired except on Bedrock and Google Cloud, and Claude Managed Agents now include fast mode and data residency pricing.api-pricingpricing+11 −12raw difflive page
22. Aug 1011 line(s) added, 12 removed.api-pricingpricing+11 −12raw difflive page
23. Aug 09Claude Opus 4.1 model status updated from Deprecated to Retired as of August 5, 2026.model-deprecationsdeprecations+2 −1raw difflive page
24. Aug 092 line(s) added, 1 removed.model-deprecationsdeprecations+2 −1raw difflive page
25. Aug 08New organizations with limited usage history may start in the Evaluation tier, and spend limits are now managed on the Billing page.rate-limitslimits+10 −10raw difflive page
26. Aug 0810 line(s) added, 10 removed.rate-limitslimits+10 −10raw difflive page
27. Aug 07Retired Claude Opus 4.1 model, launched Inference hooks beta for Claude Enterprise, and added the Compliance API Activity Feed to Claude Platform on AWS.api-release-noteschangelog+6 −0raw difflive page
28. Aug 076 line(s) added, 0 removed (around "August 5, 2026").api-release-noteschangelog+6 −0raw difflive page
29. Aug 06Added inference hooks to the Enterprise plan features.pricing+1 −0raw difflive page
30. Aug 061 line(s) added, 0 removed.pricing+1 −0raw difflive page

1. Jul 31Launched Claude Opus 5 at $5 / $25 per MTok with a 1M token context window, 128k max output tokens, and thinking enabled by default.api-release-noteschangelog+10 −3raw difflive page
2. Jul 3110 line(s) added, 3 removed (around "July 24, 2026").api-release-noteschangelog+10 −3raw difflive page
3. Jul 30Claude Mythos Preview is now deprecated, claude-opus-5 is added as an active model, and parameter deprecation now includes Claude Mythos Preview.model-deprecationsdeprecations+3 −2raw difflive page
4. Jul 303 line(s) added, 2 removed.model-deprecationsdeprecations+3 −2raw difflive page
5. Jul 30Added Claude Opus 5 with a 1,000 RPM, 2,000,000 TPM, and 400,000 TPB limit, and updated fast mode availability for Opus models.rate-limitslimits+7 −5raw difflive page
6. Jul 307 line(s) added, 5 removed.rate-limitslimits+7 −5raw difflive page
7. Jul 30Added Opus 5 with fast mode at 2x standard pricing and introduced new Input and Write pricing tiers.pricing+12 −4raw difflive page
8. Jul 3012 line(s) added, 4 removed (around "Opus 5").pricing+12 −4raw difflive page
9. Jul 27Added Claude Opus 5 with pricing of $5 / MTok input and $2.50 / MTok batch input, and updated Fast mode availability.api-pricingpricing+12 −10raw difflive page
10. Jul 2712 line(s) added, 10 removed.api-pricingpricing+12 −10raw difflive page
11. Jul 24The legacy Workbench and experimental prompt tools APIs will be retired on August 17, 2026, and Claude Managed Agents now support effort levels.api-release-noteschangelog+14 −2raw difflive page
12. Jul 2414 line(s) added, 2 removed (around "July 22, 2026").api-release-noteschangelog+14 −2raw difflive page
13. Jul 23The Claude Enterprise plan is now priced at $20 per seat per month plus usage billed at API rates.pricing+133 −136raw difflive page
14. Jul 23133 line(s) added, 136 removed (around "Chat on web, iOS, Android and Desktop").pricing+133 −136raw difflive page
15. Jul 20Minor: Updated wording for code execution billing and computer use beta system prompt token overhead.api-pricingpricing+3 −3raw difflive page
16. Jul 203 line(s) added, 3 removed.api-pricingpricing+3 −3raw difflive page
17. Jul 20Claude Platform on AWS users must now set spend limits in Settings > Billing and contact Anthropic support for rate limit increases.rate-limitslimits+31 −18raw difflive page
18. Jul 2031 line(s) added, 18 removed.rate-limitslimits+31 −18raw difflive page
19. Jul 19Claude Mythos Preview retirement is moved to July 21, 2026, and claude-fable-5 and claude-sonnet-5 are added as active models.model-deprecationsdeprecations+9 −7raw difflive page
20. Jul 199 line(s) added, 7 removed.model-deprecationsdeprecations+9 −7raw difflive page
21. Jul 16Added Admin API for Claude Enterprise user management, introduced API key expiration dates, and updated SDKs to use the agent-memory-2026-07-22 beta header.api-release-noteschangelog+14 −4raw difflive page
22. Jul 1614 line(s) added, 4 removed (around "July 14, 2026").api-release-noteschangelog+14 −4raw difflive page
23. Jul 16Added an FAQ section detailing plan usage limits, billing cycles, refund policies, and instructions for managing subscriptions and upgrades.pricing+29 −0raw difflive page
24. Jul 1629 line(s) added, 0 removed (around "FAQ").pricing+29 −0raw difflive page
25. Jul 13The bash tool now adds 325 input tokens for Claude Opus 4.7 and 4.8, and 244 tokens for earlier models.api-pricingpricing+5 −1raw difflive page
26. Jul 135 line(s) added, 1 removed.api-pricingpricing+5 −1raw difflive page
27. Jul 12Removed the publication and effective dates of June 8, 2026, and July 8, 2026, from the privacy policy.privacy+0 −1raw difflive page
28. Jul 120 line(s) added, 1 removed.privacy+0 −1raw difflive page
29. Jul 09Launched Claude Sonnet 5 at introductory pricing of $2 / $10 per MTok through August 31, 2026, with a 1M token context window.api-release-noteschangelog+17 −6raw difflive page
30. Jul 0917 line(s) added, 6 removed (around "July 1, 2026").api-release-noteschangelog+17 −6raw difflive page
31. Jul 09Added Claude Science to the Free, Max, Team, and Enterprise plans.pricing+4 −1raw difflive page
32. Jul 094 line(s) added, 1 removed (around "Claude Science").pricing+4 −1raw difflive page
33. Jul 06Added Claude Sonnet 5 pricing with introductory rates through August 31, 2026, and introduced Claude in Microsoft Foundry pricing using Claude Consumption Units.api-pricingpricing+28 −6raw difflive page
34. Jul 0628 line(s) added, 6 removed (around "Claude in Microsoft Foundry pricing").api-pricingpricing+28 −6raw difflive page
35. Jul 05Claude Sonnet 5 now has a separate rate limit, and fast mode is no longer available for Claude Opus 4.6.rate-limitslimits+3 −4raw difflive page
36. Jul 053 line(s) added, 4 removed.rate-limitslimits+3 −4raw difflive page
37. Jul 03Added claude-sonnet-4-6, claude-sonnet-4-5-20250929, claude-sonnet-4-20250514, claude-3-7-sonnet-20250219, claude-haiku-4-5-20251001, and claude-3model-deprecationsdeprecations+12 −4raw difflive page
38. Jul 0312 line(s) added, 4 removed.model-deprecationsdeprecations+12 −4raw difflive page
39. Jul 02Added Sonnet 5 with introductory pricing of $2 per million input and $10 per million output tokens through August 31, 2026.pricing+21 −11raw difflive page
40. Jul 0221 line(s) added, 11 removed (around "Sonnet 5").pricing+21 −11raw difflive page

1. Jun 30Claude API rate limits now match Claude Opus across all tiers, and Claude Opus 4.8 is launched with a 1M token context window.api-release-noteschangelog+45 −13raw difflive page
2. Jun 3045 line(s) added, 13 removed (around "June 29, 2026").api-release-noteschangelog+45 −13raw difflive page
3. Jun 29Added pricing for Claude Opus 4.1 through 4.8, Claude Sonnet 4 through 4.6, and Claude Haiku 3.5 through 4.5, and replaced Vertex AI with Google Cloud.api-pricingpricing+27 −19raw difflive page
4. Jun 2927 line(s) added, 19 removed.api-pricingpricing+27 −19raw difflive page
5. Jun 27Updated usage tiers to Start, Build, and Scale with corresponding monthly spend caps and increased Read endpoint limits to 1,200 requests per minute.rate-limitslimits+22 −27raw difflive page
6. Jun 2722 line(s) added, 27 removed (around "Requesting higher limits").rate-limitslimits+22 −27raw difflive page
7. Jun 25Removed Sonnet 4 and Opus 4 pricing and replaced Claude for Slack with @Claude and Claude Design features.pricing+6 −30raw difflive page
8. Jun 256 line(s) added, 30 removed (around "Pricing").pricing+6 −30raw difflive page
9. Jun 23Retired Claude Sonnet 4 and Claude Opus 4 models on June 15, 2026, and added reasoning_extraction to Claude Fable 5 refusal categories.api-release-noteschangelog+14 −7raw difflive page
10. Jun 2314 line(s) added, 7 removed (around "June 15, 2026").api-release-noteschangelog+14 −7raw difflive page
11. Jun 22Removed several Claude Opus, Sonnet, and Haiku models from the main pricing table and updated tool use token counts and web search versioning.api-pricingpricing+18 −15raw difflive page
12. Jun 2218 line(s) added, 15 removed.api-pricingpricing+18 −15raw difflive page
13. Jun 20Removed Claude Opus 4 and Sonnet 4 from the combined rate limit calculations for Opus and Sonnet 4.x models.rate-limitslimits+2 −7raw difflive page
14. Jun 202 line(s) added, 7 removed.rate-limitslimits+2 −7raw difflive page
15. Jun 18Removed several models from the deprecation table and updated the retirement status for claude-opus-4-20250514 and claude-sonnet-4-6.model-deprecationsdeprecations+4 −11raw difflive page
16. Jun 184 line(s) added, 11 removed.model-deprecationsdeprecations+4 −11raw difflive page
17. Jun 18Added Claude Design to the Free, Team, and Enterprise plans and noted that Claude Fable 5 is unavailable.pricing+4 −0raw difflive page
18. Jun 184 line(s) added, 0 removed (around "Claude Design").pricing+4 −0raw difflive page
19. Jun 15Added Claude Fable 5 and Claude Mythos 5 to pricing tables and removed several deprecated and retired models from the Batch API and tool use sections.api-pricingpricing+7 −16raw difflive page
20. Jun 157 line(s) added, 16 removed.api-pricingpricing+7 −16raw difflive page
21. Jun 14Launched Claude Fable 5 and Claude Mythos 5 with 1M context windows, adaptive thinking, and 30-day data retention requirements.api-release-noteschangelog+20 −24raw difflive page
22. Jun 1420 line(s) added, 24 removed (around "June 10, 2026").api-release-noteschangelog+20 −24raw difflive page
23. Jun 13Minor: formatting or layout only, no wording changed.rate-limitslimits+4 −4raw difflive page
24. Jun 13Minor: formatting or layout only, no wording changed.rate-limitslimits+4 −4raw difflive page
25. Jun 13The privacy policy was updated with an effective date of July 8, 2026, and now includes collection of Study Participation and Verification Data.privacy+66 −54raw difflive page
26. Jun 1366 line(s) added, 54 removed (around "3. Recipients and Third-Party Data Sources").privacy+66 −54raw difflive page
27. Jun 11Added Fable 5 model with input pricing of $10 / MTok and output pricing of $50 / MTok.pricing+22 −4raw difflive page
28. Jun 1122 line(s) added, 4 removed (around "Fable").pricing+22 −4raw difflive page
29. Jun 11Claude Mythos Preview will be retired on June 30, 2026, and Claude Opus 4.1 is now deprecated with a retirement date of August 5, 2026.model-deprecationsdeprecations+7 −1raw difflive page
30. Jun 117 line(s) added, 1 removed (around "2026-06-05: Claude Opus 4.1 model").model-deprecationsdeprecations+7 −1raw difflive page
31. Jun 08Minor: Claude Opus 4.1 is now labeled as deprecated in the pricing tables.api-pricingpricing+3 −3raw difflive page
32. Jun 083 line(s) added, 3 removed.api-pricingpricing+3 −3raw difflive page
33. Jun 07Claude Opus 4.1 is deprecated for retirement on August 5, 2026, and users are no longer billed for requests that return a refusal.api-release-noteschangelog+12 −5raw difflive page
34. Jun 0712 line(s) added, 5 removed (around "June 5, 2026").api-release-noteschangelog+12 −5raw difflive page
35. Jun 06Minor: Updated the rate limit descriptions to note that Opus 4.1 and Opus 4 are deprecated, and Sonnet 4 is deprecated.rate-limitslimits+2 −2raw difflive page
36. Jun 062 line(s) added, 2 removed.rate-limitslimits+2 −2raw difflive page
37. Jun 04Added Opus 4.8 with fast mode at 2x standard pricing and a $1,000 credit offer for seats activated by July 2.pricing+13 −1raw difflive page
38. Jun 0413 line(s) added, 1 removed (around "Opus 4.8").pricing+13 −1raw difflive page
39. Jun 01Added Claude Opus 4.8 with $5/MTok input and $25/MTok output pricing, and introduced Claude Haiku 4.5 and 3.5 to Batch API pricing.api-pricingpricing+23 −10raw difflive page
40. Jun 0123 line(s) added, 10 removed.api-pricingpricing+23 −10raw difflive page

1. May 31Launched Claude Opus 4.8 with a 1M token context window, mid-conversation system messages, and refusal categories in the Messages API.api-release-noteschangelog+20 −0raw difflive page
2. May 3120 line(s) added, 0 removed (around "May 29, 2026").api-release-noteschangelog+20 −0raw difflive page
3. May 30Opus rate limits now include Claude Opus 4.8, and fast mode rate limits now apply to Claude Opus 4.8.rate-limitslimits+2 −2raw difflive page
4. May 302 line(s) added, 2 removed.rate-limitslimits+2 −2raw difflive page
5. May 29Added claude-opus-4-8 as an active model and updated it as the recommended replacement for several deprecated models.model-deprecationsdeprecations+23 −16raw difflive page
6. May 2923 line(s) added, 16 removed (around "API parameter deprecations").model-deprecationsdeprecations+23 −16raw difflive page
7. May 28Removed Google Docs cataloging from the Organization wide skills deployment, Team plan features, and Enterprise features.pricing+0 −3raw difflive page
8. May 280 line(s) added, 3 removed (around "Google Docs cataloging").pricing+0 −3raw difflive page
9. May 25Removed Claude Haiku 4.5, Claude Haiku 3.5, and several Claude Opus and Sonnet models from the Batch API and tool use token tables.api-pricingpricing+27 −30raw difflive page
10. May 2527 line(s) added, 30 removed.api-pricingpricing+27 −30raw difflive page
11. May 23Added MCP tunnels Research Preview, self-hosted sandboxes for Claude Managed Agents, and cache diagnostics in public beta.api-release-noteschangelog+11 −2raw difflive page
12. May 2311 line(s) added, 2 removed (around "May 19, 2026").api-release-noteschangelog+11 −2raw difflive page
13. May 21Minor: Renamed Extra usage to Usage credits and added a repeated disclaimer regarding usage limits and price changes.pricing+3 −1raw difflive page
14. May 213 line(s) added, 1 removed (around "Usage credits").pricing+3 −1raw difflive page
15. May 19Added claude-sonnet-4-6 and claude-sonnet-4-5-20250929 to the model status table and clarified that retirement dates vary on partner platforms.model-deprecationsdeprecations+23 −13raw difflive page
16. May 1923 line(s) added, 13 removed.model-deprecationsdeprecations+23 −13raw difflive page
17. May 18Claude Opus 4.5 is added to the pricing table, and Claude Haiku 3.5 is marked as retired except on Bedrock and Vertex AI.api-pricingpricing+55 −48raw difflive page
18. May 1855 line(s) added, 48 removed (around "Cloud platform pricing").api-pricingpricing+55 −48raw difflive page
19. May 15Anthropic launched Claude Platform on AWS, added Claude Opus 4.7 fast mode, and updated the Claude Haiku 3 retirement date to April 20, 2026.api-release-noteschangelog+14 −10raw difflive page
20. May 1514 line(s) added, 10 removed (around "May 12, 2026").api-release-noteschangelog+14 −10raw difflive page
21. May 14Increased Tier 1 Max Credit Purchase and Monthly Spend Limit to $500 and added Claude Platform on AWS specific rate limit details.rate-limitslimits+12 −11raw difflive page
22. May 1412 line(s) added, 11 removed.rate-limitslimits+12 −11raw difflive page
23. May 14Replaced Claude for Excel, PowerPoint, and Word with Claude for Microsoft 365 and Microsoft Outlook, and added set org instructions for Enterprise.pricing+7 −11raw difflive page
24. May 147 line(s) added, 11 removed (around "Claude for Microsoft 365").pricing+7 −11raw difflive page
25. May 11Minor: Updated references to model pricing for Claude Managed Agents and standard tiers.api-pricingpricing+2 −2raw difflive page
26. May 112 line(s) added, 2 removed.api-pricingpricing+2 −2raw difflive page
27. May 08Removed several models from the deprecation list and updated the deprecation history for claude-instant-1.0.model-deprecationsdeprecations+2 −11raw difflive page
28. May 082 line(s) added, 11 removed.model-deprecationsdeprecations+2 −11raw difflive page
29. May 08Multiagent sessions and Outcomes are now in public beta under the managed-agents-2026-04-01 header with added vault refresh, webhooks, and filtering.api-release-noteschangelog+5 −0raw difflive page
30. May 085 line(s) added, 0 removed (around "May 6, 2026").api-release-noteschangelog+5 −0raw difflive page
31. May 07Added Claude Security (beta) to the Team plan features and the product list.pricing+2 −0raw difflive page
32. May 072 line(s) added, 0 removed (around "Claude Security").pricing+2 −0raw difflive page

• pricing (pricing)
• api-pricing (pricing)
• rate-limits (limits)
• usage-policy (policy)
• consumer-terms (terms)
• privacy (privacy)
• model-deprecations (deprecations)
• api-release-notes (changelog)