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What just changed?

New models, rollouts into products, new capabilities. Every change is backed by its source and dated by when it happened, not by when we wrote it down. Whether a statement still holds today is a separate check — where that is pending, it says “not verified”.

Last change recorded (yesterday)957 sourced entries · 166 source documents

202520262024-05: 2 sourced changes22025-02: 2 sourced changes22025-04: 5 sourced changes52025-07: 1 sourced changes12025-08: 4 sourced changes42025-10: 1 sourced changes12025-11: 1 sourced changes12025-12: 2 sourced changes22026-02: 2 sourced changes22026-03: 5 sourced changes52026-04: 6 sourced changes62026-05: 3 sourced changes32026-06: 2 sourced changes22026-07: 8 sourced changes82026-08: 4 sourced changes42026-09: 10 sourced changes102026-10: 4 sourced changes4
Sourced changes per month · max 10Month of the time each update states (effective time).
1–60 of 62 changes

ModelsDeploymentProductCorrectionThe date is when it happened according to the source.

Also show 47 entries without movement (record-keeping, confirmations)

October 2026

  1. 15 days ago

    GPT-5.4-Cyber retired

    ModelsOpenAI

    1developers.openai.com
  2. 15 days ago

    GPT-5.4 nano is being phased out

    ModelsOpenAIpreviously: Released

    1developers.openai.com
  3. 15 days ago

    GPT-5.1 is being phased out

    ModelsOpenAIpreviously: Released

    1developers.openai.com
  4. 15 days ago

    GPT-5.3-Codex is being phased out

    ModelsOpenAI

    1developers.openai.com

September 2026

  1. 17 days ago

    GPT-6.1 Sol released

    ModelsOpenAI

    1developers.openai.com
  2. 24 days ago

    GPT-6 Sol released

    ModelsOpenAI

    1developers.openai.com
  3. 24 days ago

    GPT-6 Luna released

    ModelsOpenAI

    1developers.openai.com
  4. 24 days ago

    GPT-6 Sol announced

    ModelsOpenAI

    1developers.openai.com
  5. 24 days ago

    GPT-6 Luna announced

    ModelsOpenAI

    1developers.openai.com
  6. 36 days agoadded to the record on 3 Oct 2026

    GPT-Live 1 released

    ModelsSpeech & AudioOpenAI

    1developers.openai.com
  7. 38 days agoadded to the record on 3 Oct 2026

    GPT-Image-2.5 Sunburst released

    ModelsImage & DesignOpenAI

    1developers.openai.com
  8. 38 days agoadded to the record on 3 Oct 2026

    GPT-Image-2.5 Flare released

    ModelsImage & DesignOpenAI

    1developers.openai.com
  9. 43 days agoadded to the record on 29 Sept 2026

    GPT-6 Astra released

    ModelsOpenAI

    1developers.openai.com
  10. 43 days agoadded to the record on 29 Sept 2026

    GPT-6 Astra announced

    ModelsOpenAI

    1developers.openai.com

August 2026

  1. 51 days agoadded to the record on 7 Oct 2026

    Whisper is being phased out

    ModelsSpeech & AudioOpenAI

    1developers.openai.com
  2. 51 days agoadded to the record on 7 Oct 2026

    GPT-4o Transcribe is being phased out

    ModelsSpeech & AudioOpenAI

    1developers.openai.com
  3. 51 days agoadded to the record on 7 Oct 2026

    GPT-4o Transcribe Diarize is being phased out

    ModelsSpeech & AudioOpenAI

    1developers.openai.com
  4. 51 days agoadded to the record on 7 Oct 2026

    GPT-4o Mini Transcribe is being phased out

    ModelsSpeech & AudioOpenAI

    1developers.openai.com

July 2026

  1. 2 months agoadded to the record on 3 Oct 2026

    GPT-Transcribe released

    ModelsSpeech & AudioOpenAI

    1developers.openai.com
  2. 2 months agoadded to the record on 3 Oct 2026

    GPT-Live-Transcribe released

    ModelsSpeech & AudioOpenAI

    1developers.openai.com
  3. 2 months agoadded to the record on 7 Oct 2026

    GPT-5.2-Codex retired

    ModelsOpenAI

    1developers.openai.com
  4. 3 months agoadded to the record on 30 Sept 2026

    GPT-5.6 Terra released

    ModelsOpenAI

    1developers.openai.com
  5. 3 months agoadded to the record on 30 Sept 2026

    GPT-5.6 Sol released

    ModelsOpenAI

    1developers.openai.com
  6. 3 months agoadded to the record on 30 Sept 2026

    GPT-5.6 Luna released

    ModelsOpenAI

    1developers.openai.com
  7. 3 months agoadded to the record on 29 Sept 2026

    OpenAI: Model announcement — entry without an attributable model

    Modelscorrected

    1developers.openai.com
  8. 3 months agoadded to the record on 11 Oct 2026

    GPT-Realtime-2.1 released

    ModelsSpeech & AudioOpenAI

    1developers.openai.com

June 2026

  1. 4 months agoadded to the record on 29 Sept 2026

    o3 is being phased out

    ModelsOpenAIpreviously: Releasedcorrected

    1developers.openai.com
  2. 4 months agoadded to the record on 29 Sept 2026

    GPT-5 is being phased out

    ModelsOpenAIpreviously: Releasedcorrected

    1developers.openai.com

May 2026

  1. 5 months agoadded to the record on 11 Oct 2026

    GPT-Realtime-Whisper released

    ModelsSpeech & AudioOpenAI

    1developers.openai.com
  2. 5 months agoadded to the record on 11 Oct 2026

    GPT-Realtime-Translate released

    ModelsSpeech & AudioOpenAI

    1developers.openai.com
  3. 5 months agoadded to the record on 11 Oct 2026

    GPT-Realtime-2 released

    ModelsSpeech & AudioOpenAI

    1developers.openai.com

April 2026

  1. 5 months agoadded to the record on 30 Sept 2026

    GPT-5.5 Pro released

    ModelsOpenAI

    1developers.openai.com
  2. 5 months agoadded to the record on 29 Sept 2026

    GPT-5.5 released

    ModelsOpenAI

    1learn.chatgpt.com
  3. 5 months agoadded to the record on 29 Sept 2026

    GPT-5.5 announced

    ModelsOpenAI

    1learn.chatgpt.com
  4. 5 months agoadded to the record on 7 Oct 2026

    o4-mini is being phased out

    ModelsOpenAI

    1developers.openai.com
  5. 5 months agoadded to the record on 7 Oct 2026

    o3-mini is being phased out

    ModelsOpenAI

    1developers.openai.com
  6. 5 months agoadded to the record on 11 Oct 2026

    GPT-Image-2 released

    ModelsImage & DesignOpenAI

    1developers.openai.com

March 2026

  1. 7 months agoadded to the record on 30 Sept 2026

    GPT-5.4 nano released

    ModelsOpenAI

    1developers.openai.com
  2. 7 months agoadded to the record on 30 Sept 2026

    GPT-5.4 mini released

    ModelsOpenAI

    1developers.openai.com
  3. 7 months agoadded to the record on 30 Sept 2026

    GPT-5.4 Pro released

    ModelsOpenAI

    1developers.openai.com
  4. 7 months agoadded to the record on 29 Sept 2026

    GPT-5.4 released

    ModelsOpenAI

    1developers.openai.com
  5. 7 months agoadded to the record on 29 Sept 2026

    GPT-5.4 announced

    ModelsOpenAI

    1developers.openai.com

February 2026

  1. 7 months agoadded to the record on 11 Oct 2026

    GPT-Realtime-1.5 released

    ModelsSpeech & AudioOpenAI

    1developers.openai.com
  2. 7 months agoadded to the record on 11 Oct 2026

    GPT-Audio-1.5 released

    ModelsSpeech & AudioOpenAI

    1developers.openai.com

December 2025

  1. 10 months agoadded to the record on 29 Sept 2026

    GPT-5.2 released

    ModelsOpenAI

    1developers.openai.com
  2. 10 months agoadded to the record on 29 Sept 2026

    GPT-5.2 announced

    ModelsOpenAI

    1developers.openai.com

November 2025

  1. 11 months agoadded to the record on 30 Sept 2026

    GPT-5.1 released

    ModelsOpenAI

    1developers.openai.com

October 2025

  1. 12 months agoadded to the record on 30 Sept 2026

    GPT-5 Pro released

    ModelsOpenAI

    1developers.openai.com

August 2025

  1. 14 months agoadded to the record on 30 Sept 2026

    GPT-5 nano released

    ModelsOpenAI

    1developers.openai.com
  2. 14 months agoadded to the record on 30 Sept 2026

    GPT-5 mini released

    ModelsOpenAI

    1developers.openai.com
  3. 14 months agoadded to the record on 29 Sept 2026

    GPT-5 released

    ModelsOpenAI

    1developers.openai.com
  4. 14 months agoadded to the record on 29 Sept 2026

    GPT-5 announced

    ModelsOpenAI

    1developers.openai.com

July 2025

  1. 15 months agoadded to the record on 29 Sept 2026

    GPT-4.5 retired

    ModelsOpenAIpreviously: Deprecated

    1developers.openai.com

April 2025

  1. 18 months agoadded to the record on 29 Sept 2026

    o3 released

    ModelsOpenAI

    1developers.openai.com
  2. 18 months agoadded to the record on 29 Sept 2026

    o3 announced

    ModelsOpenAI

    1developers.openai.com
  3. 18 months agoadded to the record on 29 Sept 2026

    GPT-4.5 is being phased out

    ModelsOpenAIpreviously: Released

    1developers.openai.com
  4. 18 months agoadded to the record on 29 Sept 2026

    GPT-4.1 released

    ModelsOpenAI

    1developers.openai.com
  5. 18 months agoadded to the record on 29 Sept 2026

    GPT-4.1 announced

    ModelsOpenAI

    1developers.openai.com

February 2025

  1. 19 months agoadded to the record on 29 Sept 2026

    GPT-4.5 released

    ModelsOpenAI

    1developers.openai.com
  2. 19 months agoadded to the record on 29 Sept 2026

    GPT-4.5 announced

    ModelsOpenAI

    1developers.openai.com