OpenAI model releases

Release dates for every GPT model OpenAI has shipped, newest first. The latest is GPT Image 2.6 Flare, released 4 Nov 2026, and 60 of the 82 run on Opper today. Over the last 12 months OpenAI released 41 models, with a new release typically every 11 days.

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November 20262 releases
  1. 4 Nov
    GPT Image 2.6 Flare—
    GPT Image 2.6 Sunburst—
October 20262 releases
  1. 26 Oct
    GPT-6.1 Terra51
  2. 6 Oct
    GPT-6 Luna Decisions—
September 20267 releases
  1. 29 Sep
    GPT-6.1 Sol55
  2. 22 Sep
    GPT-6 Luna28
    GPT-6 Sol44
  3. 10 Sep
    GPT-Live 1—
  4. 8 Sep
    GPT Image 2.5 Flare—
    GPT Image 2.5 Sunburst—
  5. 3 Sep
    GPT-6 Astra57
July 20267 releases
  1. 28 Jul
    GPT Live Transcribe—
    GPT Transcribe—
  2. 9 Jul
    GPT-5.6 Luna24
    GPT-5.6 Sol47
    GPT-5.6 Terra32
  3. 6 Jul
    GPT Realtime 2.1—
    GPT Realtime 2.1 Mini—
June 20261 release
  1. 25 Jun
    GPT-5.5 Instant (June 2026)26
May 20264 releases
  1. 7 May
    GPT Realtime 2—
    GPT Realtime Translate—
    GPT Realtime Whisper—
  2. 5 May
    GPT-5.5 Instant (May 2026)23
April 20263 releases
  1. 23 Apr
    GPT-5.538
    GPT-5.5 Pro—
  2. 21 Apr
    GPT Image 2—
March 20265 releases
  1. 17 Mar
    GPT-5.4 Mini24
    GPT-5.4 nano21
  2. 5 Mar
    GPT-5.439
    GPT-5.4 Pro—
  3. 3 Mar
    GPT-5.3 Chat—
February 20263 releases
  1. 23 Feb
    GPT Audio 1.5—
    GPT Realtime 1.5—
  2. 5 Feb
    GPT-5.3-Codex33
December 20254 releases
  1. 16 Dec
    GPT Image 1.5—
  2. 11 Dec
    GPT-5.230
    GPT-5.2 Codex29
    GPT-5.2 Pro—
November 20253 releases
  1. 13 Nov
    GPT-5.125
    GPT-5.1 Codex24
    GPT-5.1-Codex Mini20
October 20254 releases
  1. 29 Oct
    GPT OSS Safeguard 20b—
  2. 6 Oct
    GPT Image 1 Mini—
    GPT Realtime Mini—
    GPT-5 Pro—
September 20251 release
  1. 23 Sep
    GPT-5 Codex25
August 20256 releases
  1. 7 Aug
    GPT-523
    GPT-5 (ChatGPT)10
    GPT-5 Mini17
    GPT-5 Nano13
  2. 5 Aug
    GPT OSS 120b4
    GPT OSS 20b9
June 20251 release
  1. 10 Jun
    O3 Pro22
April 20255 releases
  1. 16 Apr
    o320
    O4 Mini17
  2. 14 Apr
    GPT-4.113
    GPT-4.1 Mini10
    GPT-4.1 nano8
March 20254 releases
  1. 27 Mar
    GPT-4o (March 2025, chatgpt-4o-latest)9
  2. 20 Mar
    GPT-4o Mini Transcribe—
    GPT-4o Transcribe—
  3. 19 Mar
    O1 Pro12
February 20252 releases
  1. 27 Feb
    GPT-4.5 (Preview)10
  2. 15 Feb
    GPT-4o (ChatGPT)7
January 20251 release
  1. 31 Jan
    O3 Mini13
December 20243 releases
  1. 17 Dec
    GPT-4o mini Realtime (Dec '24)—
    GPT-4o Realtime (Dec '24)—
  2. 5 Dec
    o115
September 20243 releases
  1. 30 Sep
    Whisper Large v3 Turbo—
  2. 12 Sep
    o1-mini10
    o1-preview11
July 20241 release
  1. 18 Jul
    GPT-4o Mini7
May 20241 release
  1. 13 May
    GPT-4o8
January 20242 releases
  1. 25 Jan
    Text Embedding 3 Large—
    Text Embedding 3 Small—
November 20234 releases
  1. 6 Nov
    GPT-4 Turbo7
    TTS-1—
    TTS-1 HD—
    Whisper Large v3—
June 20231 release
  1. 13 Jun
    GPT-3.5 Turbo (0613)—
March 20231 release
  1. 14 Mar
    GPT-47
November 20221 release
  1. 30 Nov
    GPT-3.5 Turbo6

Release dates from vendor announcements and Artificial Analysis, which also supplies the intelligence scores. Follow new releases via RSS.

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