AI Model Release Tracker - Timeline of Major AI Models from 2022-2026
AI Model Release Tracker
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OpenAI
Models
31
First release
Nov 30 2022
(GPT-3.5)
Latest release
Mar 5 2026
(GPT-5.4)
Active years
5
Best GPQA Diamond
94.4%
(GPT-5.4-Pro)
Best SWE-Bench
80%
(GPT-5.2)
All Releases
2026
5 releases
GPT-5.4
GPQA 92.8%
Mar 5
GPT-5.4-Pro
GPQA 94.4%
Mar 5
GPT-5.3-Instant
Mar 3
GPT-5.3-Codex-Spark
Feb 12
GPT-5.3-Codex
Feb 5
2025
19 releases
GPT-5.2
GPQA 92.4%
SWE 80%
Dec 11
GPT-5.1-Codex-Max
Nov 19
GPT-5.1
GPQA 88.1%
SWE 76.3%
Nov 12
GPT-5-Codex-Mini
Nov 8
GPT-5-Codex
Sep 15
GPT-5
Aug 7
GPT-5 mini
Aug 7
gpt-oss-120b
Aug 5
gpt-oss-20b
Aug 5
o3-pro
Jun 10
GPT-4.1
May 14
GPT-4.1 mini
May 14
o3
Apr 16
o4-mini
Apr 16
o4-mini-high
Apr 16
o1-pro
Mar 19
GPT-4.5
Feb 27
o3-mini
Jan 31
o3-mini-high
Jan 31
2024
5 releases
o1
Dec 5
o1-preview
Sep 12
o1-mini
Sep 12
GPT-4o mini
Jul 18
GPT-4o
May 13
2023
1 release
GPT-4
Mar 14
2022
1 release
GPT-3.5
Nov 30
Other Companies
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Google
Meta
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DeepSeek
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