AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

AI Model Release Tracker

OpenAI

Models31
First releaseNov 30 2022 (GPT-3.5)
Latest releaseMar 5 2026 (GPT-5.4)
Active years5
Best GPQA Diamond94.4% (GPT-5.4-Pro)
Best SWE-Bench80% (GPT-5.2)

All Releases

2026

5 releases
GPT-5.4
Mar 5
GPT-5.4-Pro
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
Dec 11
GPT-5.1-Codex-Max
Nov 19
GPT-5.1
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

Anthropic
Google
Meta
xAI
DeepSeek
Mistral
Cursor