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OpenAI

Every recorded change to 7 public pages. Faded entries are wording-only changes.

November 2026
  1. Nov 061 line(s) added, 1 removed.api-pricingpricing+1 −1raw difflive page
  2. Nov 059 line(s) added, 3 removed (around "2026-11-05: GPT-5.5-Cyber").deprecations+9 −3raw difflive page
  3. Nov 0569 line(s) added, 22 removed (around "Model availability").rate-limitslimits+69 −22raw difflive page
  4. Nov 0521 line(s) added, 8 removed.api-pricingpricing+21 −8raw difflive page
October 2026
  1. Oct 29Added gpt-6.1-terra to the pricing table with costs of $1.00 per 1M input tokens and $5.00 per 1M output tokens.api-pricingpricing+1 −1raw difflive page
  2. Oct 291 line(s) added, 1 removed.api-pricingpricing+1 −1raw difflive page
  3. Oct 28Minor: Updated the status of gpt-3.5-turbo-instruct to reflect its shutdown on September 28, 2026.rate-limitslimits+1 −1raw difflive page
  4. Oct 281 line(s) added, 1 removed.rate-limitslimits+1 −1raw difflive page
  5. Oct 28The usage policies effective date is updated to November 20, 2026, with new restrictions on model training, law enforcement use, and child safety.usage-policiespolicy+30 −14raw difflive page
  6. Oct 2830 line(s) added, 14 removed.usage-policiespolicy+30 −14raw difflive page
  7. Oct 27Updated deprecation schedules to include specific model snapshots and moved several legacy models to the past deprecations section.deprecations+34 −41raw difflive page
  8. Oct 2734 line(s) added, 41 removed (around "2026-04-22: Legacy GPT model snapshots").deprecations+34 −41raw difflive page
  9. Oct 23Updated pricing tables to reorder columns, moving cached input costs to the final position for all models.api-pricingpricing+35 −32raw difflive page
  10. Oct 2335 line(s) added, 32 removed.api-pricingpricing+35 −32raw difflive page
  11. Oct 20Added GPT-4 series model deprecations for January 14, 2027, and introduced the shutdown_date field to the List models endpoint.deprecations+24 −14raw difflive page
  12. Oct 2024 line(s) added, 14 removed (around "2026-10-14: GPT-4 series model deprecations").deprecations+24 −14raw difflive page
  13. Oct 16Added gpt-rosalind-research and gpt-rosalind-discovery models and introduced a 10% uplift for regional processing on eligible models released on or after March 5, 2026.api-pricingpricing+8 −2raw difflive page
  14. Oct 168 line(s) added, 2 removed.api-pricingpricing+8 −2raw difflive page
  15. Oct 14Replaced the five previous usage tiers with Build, Launch, and Grow tiers and added specific standard rate limits for Astra, Sol, Terra, and Luna models.rate-limitslimits+15 −7raw difflive page
  16. Oct 1415 line(s) added, 7 removed (around "Standard rate limits").rate-limitslimits+15 −7raw difflive page
  17. Oct 13Minor: formatting or layout only, no wording changed.deprecations+5 −5raw difflive page
  18. Oct 13Minor: formatting or layout only, no wording changed.deprecations+5 −5raw difflive page
  19. Oct 06Added deprecation schedules for GPT-5.3-Codex, GPT-5.1, GPT-5.4-Nano, and text-to-speech models, and updated recommended replacements for image models.deprecations+47 −32raw difflive page
  20. Oct 0647 line(s) added, 32 removed (around "2026-10-01: GPT-5.3-Codex, GPT-5.1, GPT-5.4-Nano").deprecations+47 −32raw difflive page
  21. Oct 02Replaced gpt-6-sol with gpt-6.1-sol, reduced gpt-6.1-sol cached input costs, and added a 10% uplift for FedRAMP endpoints.api-pricingpricing+5 −4raw difflive page
  22. Oct 025 line(s) added, 4 removed.api-pricingpricing+5 −4raw difflive page
  23. Oct 01Added spend limits for organizations and projects, and noted the September 28, 2026, shutdown date for gpt-3.5-turbo-instruct.rate-limitslimits+8 −1raw difflive page
  24. Oct 018 line(s) added, 1 removed (around "Spend limits").rate-limitslimits+8 −1raw difflive page
September 2026
  1. Sep 26Minor: Updated the deprecation table to use em dashes instead of hyphens for missing recommended replacements.deprecations+7 −7raw difflive page
  2. Sep 267 line(s) added, 7 removed.deprecations+7 −7raw difflive page
  3. Sep 25Removed gpt-5.6 models and sora-2 pricing, added gpt-6-sol and gpt-6-luna models, and updated EU data residency restrictions.api-pricingpricing+3 −12raw difflive page
  4. Sep 253 line(s) added, 12 removed.api-pricingpricing+3 −12raw difflive page
  5. Sep 23The privacy policy was updated on September 10, 2026, to clarify data collection for Free and Go users and ad personalization settings.privacy+21 −10raw difflive page
  6. Sep 2321 line(s) added, 10 removed.privacy+21 −10raw difflive page
  7. Sep 22Update error handling for 429 and 503 responses to distinguish between rapid traffic increases and model overload with specific error codes.rate-limitslimits+11 −4raw difflive page
  8. Sep 2211 line(s) added, 4 removed (around "Update existing error handlers").rate-limitslimits+11 −4raw difflive page
  9. Sep 19The gpt-5.4-cyber model is deprecated and will be removed from the API on October 1, 2026.deprecations+23 −18raw difflive page
  10. Sep 1923 line(s) added, 18 removed (around "2026-09-11: GPT-5.4-Cyber").deprecations+23 −18raw difflive page
  11. Sep 18Added gpt-rosalind-research model for $5.00 per 1M input tokens and $0.50 per 1M output tokens starting October 5, 2026.api-pricingpricing+2 −0raw difflive page
  12. Sep 182 line(s) added, 0 removed.api-pricingpricing+2 −0raw difflive page
  13. Sep 15Updated the privacy policy on July 30, 2026, to include a Korea Addendum and data collection for Free and Go users' ads history.privacy+13 −28raw difflive page
  14. Sep 1513 line(s) added, 28 removed.privacy+13 −28raw difflive page
  15. Sep 11Added gpt-image-2.5-sunburst and gpt-image-2.5-flare models and introduced gpt-live-1 voice sessions billed per second at $0.05 per minute.api-pricingpricing+8 −3raw difflive page
  16. Sep 118 line(s) added, 3 removed.api-pricingpricing+8 −3raw difflive page
  17. Sep 04Added GPT-6 Astra with pricing starting at $10.00 per 1M input tokens and updated Daybreak model aliases.api-pricingpricing+3 −1raw difflive page
  18. Sep 043 line(s) added, 1 removed.api-pricingpricing+3 −1raw difflive page
  19. Sep 04Added documentation for handling slow_down and server_is_overloaded errors, including a 50% ramp-rate limit for traffic exceeding 1 million TPM.rate-limitslimits+10 −3raw difflive page
  20. Sep 0410 line(s) added, 3 removed (around "Handle rapid traffic increases and model overload").rate-limitslimits+10 −3raw difflive page
  21. Sep 02whisper-1, gpt-4o-transcribe, gpt-4o-mini-transcribe, and gpt-4o-transcribe-diarize will be removed from the API on February 26, 2027.deprecations+16 −7raw difflive page
  22. Sep 0216 line(s) added, 7 removed (around "2026-08-26: Transcription models").deprecations+16 −7raw difflive page
August 2026
  1. Aug 29The Terms of Use are updated to be effective January 1, 2026, and now include a provision for resolving disputes through arbitration.terms-of-useterms+63 −78raw difflive page
  2. Aug 2963 line(s) added, 78 removed.terms-of-useterms+63 −78raw difflive page
  3. Aug 27Reduced gpt-5.6-sol pricing and added a promotional pricing end date of November 21, 2026.api-pricingpricing+4 −3raw difflive page
  4. Aug 274 line(s) added, 3 removed.api-pricingpricing+4 −3raw difflive page
  5. Aug 27Added an effective date of October 29, 2025, to the Usage Policies.usage-policiespolicy+1 −0raw difflive page
  6. Aug 271 line(s) added, 0 removed.usage-policiespolicy+1 −0raw difflive page
  7. Aug 22Updated the privacy policy version date to May 18, 2026.privacy+1 −0raw difflive page
  8. Aug 221 line(s) added, 0 removed.privacy+1 −0raw difflive page
  9. Aug 21Updated the Terms of Use to specify OpenAI Ireland Ltd and OpenAI OpCo, LLC as the governing entities based on user residency.terms-of-useterms+78 −62raw difflive page
  10. Aug 2178 line(s) added, 62 removed.terms-of-useterms+78 −62raw difflive page
  11. Aug 20OpenAI now sets an approved monthly usage limit for each organization separate from configurable spend limits and added a Retry-After header to 429 responses.rate-limitslimits+49 −30raw difflive page
  12. Aug 2049 line(s) added, 30 removed (around "imports").rate-limitslimits+49 −30raw difflive page
  13. Aug 20Added daybreak-blue-latest and daybreak-red-latest as aliases for gpt-5.6-sol and gpt-5.6-cyber with dynamic pricing updates.api-pricingpricing+1 −0raw difflive page
  14. Aug 201 line(s) added, 0 removed.api-pricingpricing+1 −0raw difflive page
  15. Aug 19Minor: formatting or layout only, no wording changed.deprecations+6 −6raw difflive page
  16. Aug 19Minor: formatting or layout only, no wording changed.deprecations+6 −6raw difflive page
  17. Aug 19Removed the October 29, 2025 effective date from the usage policies page.usage-policiespolicy+0 −2raw difflive page
  18. Aug 190 line(s) added, 2 removed (around "Usage policies").usage-policiespolicy+0 −2raw difflive page
  19. Aug 15Removed the May 18, 2026 update date and the US privacy policy header.privacy+0 −2raw difflive page
  20. Aug 150 line(s) added, 2 removed (around "US privacy policy").privacy+0 −2raw difflive page
  21. Aug 14Minor: Removed the Published date and the # Terms of Use header from the page.terms-of-useterms+0 −2raw difflive page
  22. Aug 140 line(s) added, 2 removed (around "Terms of Use").terms-of-useterms+0 −2raw difflive page
  23. Aug 11Added gpt-5.6-sol and gpt-5.6-cyber models, removed gpt-5.5, gpt-5.4, and gpt-image series models, and updated realtime audio pricing.api-pricingpricing+10 −15raw difflive page
  24. Aug 1110 line(s) added, 15 removed.api-pricingpricing+10 −15raw difflive page
  25. Aug 06OpenAI is deprecating various older models including gpt-3.5-turbo, gpt-4, and o1 series with shutdown dates ranging from March to October 2026.deprecations+60 −53raw difflive page
  26. Aug 0660 line(s) added, 53 removed (around "2026-03-24: Sora 2 video generation models and Videos API").deprecations+60 −53raw difflive page
  27. Aug 04Reduced prices for gpt-5.6-terra and gpt-5.6-luna, added gpt-live-transcribe and gpt-transcribe models, and renamed Priority processing to Fast mode.api-pricingpricing+6 −3raw difflive page
  28. Aug 046 line(s) added, 3 removed.api-pricingpricing+6 −3raw difflive page
July 2026
  1. Jul 29Updated recommended replacements for various models to gpt-5.6 series and added deprecation dates for legacy audio, realtime, and transcription models.deprecations+47 −34raw difflive page
  2. Jul 2947 line(s) added, 34 removed (around "2026-07-20: Legacy audio, realtime, and transcription models").deprecations+47 −34raw difflive page
  3. Jul 14Added gpt-5.6-sol, gpt-5.6-terra, and gpt-5.6-luna models with cache write pricing, and introduced gpt-realtime-2.1 and gpt-realtime-2.1-mini.api-pricingpricing+16 −10raw difflive page
  4. Jul 1416 line(s) added, 10 removed.api-pricingpricing+16 −10raw difflive page
  5. Jul 02Added x-ratelimit-limit-project-tokens, x-ratelimit-remaining-project-tokens, and x-ratelimit-reset-project-tokens headers for project-scoped token limits.rate-limitslimits+4 −0raw difflive page
  6. Jul 024 line(s) added, 0 removed.rate-limitslimits+4 −0raw difflive page
June 2026
  1. Jun 20GPT-5 and o3 model snapshots will be removed from the API on December 11, 2026.deprecations+10 −0raw difflive page
  2. Jun 2010 line(s) added, 0 removed (around "2026-06-11: GPT-5 and o3 model deprecations").deprecations+10 −0raw difflive page
  3. Jun 13Added Image Web search to the pricing table at $10.00 per 1k calls plus search content tokens billed at model rates.api-pricingpricing+1 −0raw difflive page
  4. Jun 131 line(s) added, 0 removed.api-pricingpricing+1 −0raw difflive page
  5. Jun 11Updated long context model references from GPT-4.1 to GPT-5.5 and changed example model names to gpt-3.5-turbo-instruct.rate-limitslimits+3 −3raw difflive page
  6. Jun 113 line(s) added, 3 removed.rate-limitslimits+3 −3raw difflive page
  7. Jun 08Added model deprecation notice periods and scheduled shutdowns for reusable prompts, Evals platform, Agent Builder, and GPT Image models by late 2026.deprecations+38 −0raw difflive page
  8. Jun 0838 line(s) added, 0 removed (around "Model deprecation notice periods").deprecations+38 −0raw difflive page
  9. Jun 05Removed gpt-realtime-1.5 and gpt-realtime-mini, added gpt-realtime-whisper at $0.017 per minute, and added gpt-5.4-cyber.api-pricingpricing+5 −9raw difflive page
  10. Jun 055 line(s) added, 9 removed.api-pricingpricing+5 −9raw difflive page
May 2026
  1. May 23The Terms of Use are updated to be effective January 1, 2026, and now include a specific arbitration provision for OpenAI OpCo, LLC.terms-of-useterms+64 −80raw difflive page
  2. May 2364 line(s) added, 80 removed (around "Terms of Use").terms-of-useterms+64 −80raw difflive page
  3. May 21Updated the privacy policy date to May 18, 2026, and added a specific path for opting out of targeted advertising within ChatGPT settings.privacy+2 −2raw difflive page
  4. May 212 line(s) added, 2 removed.privacy+2 −2raw difflive page
  5. May 19OpenAI is winding down the fine-tuning platform, making it inaccessible to new users while allowing existing users to create training jobs for several months.api-pricingpricing+2 −0raw difflive page
  6. May 192 line(s) added, 0 removed.api-pricingpricing+2 −0raw difflive page
  7. May 19Updated deprecation dates and substitute models for various GPT, o-series, and DALL·E snapshots, and added new self-serve fine-tuning restrictions.deprecations+61 −48raw difflive page
  8. May 1961 line(s) added, 48 removed (around "Upcoming deprecations").deprecations+61 −48raw difflive page
  9. May 14Updated the list of privacy rights to include the right to know, delete, correct, and be free from retaliation.privacy+5 −1raw difflive page
  10. May 145 line(s) added, 1 removed.privacy+5 −1raw difflive page
  11. May 12Added gpt-realtime-2 and gpt-realtime-translate models and increased chat-latest input and output prices to $5.00 and $30.00 per 1M tokens.api-pricingpricing+5 −1raw difflive page
  12. May 125 line(s) added, 1 removed.api-pricingpricing+5 −1raw difflive page
  13. May 07OpenAI now shares limited information with marketing partners to promote products on third-party properties and updated the policy date to April 30, 2026.privacy+8 −11raw difflive page
  14. May 078 line(s) added, 11 removed.privacy+8 −11raw difflive page
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