Timeline
SnapshotGraphAbout
_

Company Profile

United States

OpenAI

82

models released

Span2018–2026
Active Years9
Cadence37dtap ↗
5 open77 closed
Modalities
TextMultimodalAudioImageVideo

At a Glance

First Release

GPT-1

Jun 11, 2018

Latest Release

GPT-Image 2.5

Sep 8, 2026

13 days ago

Peak Year

2026

28 releases

Momentum

40↑

last 12 mo · vs 21 prior

Release Counts(per year · per month · by day)

Year

Month

Day

Monday15
Tuesday22
Wednesday11
Thursday30
Friday4

Releases

202628 releases

Sep 8
GPT-Image 2.5ClosedImageGPT-Image-2.5 Flare / GPT-Image-2.5 Sunburst
Sep 3
GPT-6 AstraClosedMultimodal
Aug 10
GPT-5.6-CyberClosedText
Jul 28
GPT Live TranscribeClosedAudio
Jul 28
GPT TranscribeClosedAudio
Jul 15
GPT-RedClosedText
Jul 9
GPT-5.6ClosedMultimodalSol / Terra / Luna
Jul 8
GPT-Live 1ClosedAudioGPT-Live-1 / GPT-Live-1 mini
Jul 6
GPT Realtime 2.1 miniClosedAudio
Jul 6
GPT Realtime 2.1ClosedAudio
Jun 26
GPT-5.6 PreviewClosedMultimodalSol / Terra / Luna
May 7
GPT Realtime 2ClosedAudio
May 7
GPT Realtime TranslateClosedAudio
May 7
GPT Realtime WhisperClosedAudio
May 7
GPT-5.5-CyberClosedText
May 5
GPT-5.5 InstantClosedMultimodal
Apr 23
GPT-5.5ClosedMultimodalGPT-5.5 / GPT-5.5 Pro
Apr 22
Privacy FilterOpenText1.5B
Apr 21
GPT Image 2ClosedImage
Apr 14
GPT-5.4-CyberClosedText
Mar 17
GPT-5.4 MiniClosedMultimodal
Mar 17
GPT-5.4 NanoClosedMultimodal
Mar 5
GPT-5.4ClosedMultimodalThinking / Pro
Mar 3
GPT-5.3 InstantClosedMultimodal
Feb 23
gpt-realtime-1.5ClosedAudio
Feb 23
gpt-audio-1.5ClosedAudio
Feb 12
GPT-5.3-Codex-SparkClosedText
Feb 5
GPT-5.3-CodexClosedTextlow / medium / high / xhigh

202526 releases

Dec 18
GPT-5.2-CodexClosedTextlow / medium / high / xhigh
Dec 16
GPT Image 1.5ClosedImage
Dec 11
GPT-5.2ClosedMultimodalInstant / Thinking / Pro
Nov 19
GPT-5.1-Codex-MaxClosedTextlow / medium / high / xhigh
Nov 13
GPT-5.1-CodexClosedText
Nov 12
GPT-5.1ClosedMultimodalInstant / Thinking / Pro
Nov 7
GPT-5-Codex MiniClosedText
Oct 6
GPT-5 ProClosedMultimodal
Oct 6
GPT Image 1 MiniClosedImage
Oct 6
gpt-realtime-miniClosedAudio
Oct 6
gpt-audio-miniClosedAudio
Sep 30
Sora 2ClosedVideoSora 2 / Sora 2 Pro
Sep 15
GPT-5-CodexClosedText
Aug 28
gpt-realtimeClosedAudio
Aug 28
gpt-audioClosedAudio
Aug 7
GPT-5ClosedMultimodalGPT-5 / GPT-5 Mini / GPT-5 Nano
Aug 5
GPT-OSSOpenText21B / 117B
Jun 10
o3-proClosedMultimodallow / medium / high
Apr 16
o3ClosedMultimodallow / medium / high
Apr 16
o4-miniClosedMultimodallow / medium / high
Apr 14
GPT-4.1ClosedMultimodalGPT-4.1 / GPT-4.1 Mini / GPT-4.1 Nano
Mar 25
GPT Image 1ClosedImage
Mar 20
GPT-4o TranscribeClosedAudiogpt-4o-transcribe / gpt-4o-mini-transcribe / gpt-4o-transcribe-diarize
Mar 20
GPT-4o Mini TTSClosedAudio
Feb 27
GPT-4.5ClosedMultimodal
Jan 31
o3-miniClosedTextlow / medium / high

202414 releases

Dec 17
GPT-4o Mini Realtime PreviewClosedAudio
Dec 17
GPT-4o Mini Audio PreviewClosedAudio
Dec 9
Sora 1ClosedVideoSora Turbo
Dec 5
o1ClosedMultimodallow / medium / high
Dec 5
o1-proClosedMultimodal
Oct 1
GPT-4o Realtime PreviewClosedAudio
Oct 1
GPT-4o Audio PreviewClosedAudio
Sep 12
o1-previewClosedText
Sep 12
o1-miniClosedText
Jul 18
GPT-4o miniClosedMultimodal
May 13
GPT-4oClosedMultimodal
Mar 29
Voice EngineClosedAudio
Feb 15
SoraClosedVideo
Jan 25
text-embedding-3ClosedTexttext-embedding-3-small / text-embedding-3-large

20233 releases

Nov 6
TTS-1ClosedAudiotts-1 / tts-1-hd
Sep 20
DALL·E 3ClosedImage
Mar 14
GPT-4ClosedMultimodal~1.76T

20226 releases

Dec 15
text-embedding-ada-002ClosedText
Nov 30
GPT-3.5ClosedText175B
Sep 21
WhisperOpenAudio39M / 74M / 244M / 769M / 1550M / 1550M / 1550M / 809M
Apr 6
DALL·E 2ClosedImage3.5B
Jan 27
InstructGPTClosedText1.3B / 6B / 175B
Jan 25
Embeddings v1ClosedTexttext-similarity-001 / text-search-001 / code-search-001

20212 releases

Aug 10
CodexClosedText~1B-6B / 12B
Jan 5
DALL·EClosedImage12B

20201 release

May 28
GPT-3ClosedText125M / 1.3B / 6.7B / 175B

20191 release

Feb 14
GPT-2OpenText124M / 355M / 774M / 1.5B

20181 release

Jun 11
GPT-1OpenText117M

Modality Breakdown

Text
25
Multimodal
23
Audio
23
Image
8
Video
3