Model releases
A timeline of model releases from major labs and open-source communities, updated daily. Each new model launch is often the starting point for the next wave of model sites. · Last updated 2026-10-07
10/2026 1 launches
2026-10-07
O
GPT-6 and Intelligent UI for everyoneOpenAI
Large Language Models
↗
9/2026 4 launches
2026-09-29
O
Introducing GPT-6.1 SolOpenAI
Large Language Models
↗
2026-09-22
O
Introducing GPT-6 Sol and LunaOpenAI
Large Language Models
↗
2026-09-09
O
GPT-6 Astra: The next generation in intelligence for workOpenAI
Large Language Models
↗
2026-09-03
O
GPT-6 Astra: A new generation of intelligenceOpenAI
Large Language Models
↗
8/2026 1 launches
2026-08-25
O
Introducing the Admin plugin for ChatGPT Work and CodexOpenAI
Large Language Models
↗
7/2026 4 launches
2026-07-09
O
GPT-5.5 Bio Bug BountyOpenAI
Large Language Models
↗
2026-07-09
O
GPT-5.6: Frontier intelligence that scales with your ambitionOpenAI
Large Language Models
↗
2026-07-09
O
GPT-5.6 is now the preferred model in Microsoft 365 CopilotOpenAI
Large Language Models
↗
2026-07-08
O
Introducing GPT-LiveOpenAI
Large Language Models
↗
6/2026 1 launches
2026-06-03
O
Introducing new capabilities to GPT-RosalindOpenAI
Large Language Models
↗
5/2026 2 launches
2026-05-06
O
Introducing ChatGPT Futures: Class of 2026OpenAI
Large Language Models
↗
2026-05-05
O
GPT-5.5 Instant: smarter, clearer, and more personalizedOpenAI
Large Language Models
↗
4/2026 2 launches
2026-04-23
O
Introducing GPT-5.5OpenAI
Large Language Models
↗
2026-04-16
O
Introducing GPT-Rosalind for life sciences researchOpenAI
Large Language Models
↗
3/2026 3 launches
2026-03-17
O
Introducing GPT-5.4 mini and nanoOpenAI
Large Language Models
↗
2026-03-05
O
Introducing GPT-5.4OpenAI
Large Language Models
↗
2026-03-03
O
GPT-5.3 Instant: Smoother, more useful everyday conversationsOpenAI
Large Language Models
↗
2/2026 5 launches
2026-02-13
O
GPT-5.2 derives a new result in theoretical physicsOpenAI
Large Language Models
↗
2026-02-12
O
Introducing GPT-5.3-Codex-SparkOpenAI
Large Language Models
↗
2026-02-05
O
Introducing GPT-5.3-CodexOpenAI
Large Language Models
↗
2026-02-05
O
GPT-5 lowers the cost of cell-free protein synthesisOpenAI
Large Language Models
↗
2026-02-02
O
Introducing the Codex appOpenAI
Large Language Models
↗
1/2026 1 launches
2026-01-02
O
Announcing OpenAI Grove Cohort 2OpenAI
Large Language Models
↗
12/2025 2 launches
2025-12-18
O
Introducing GPT-5.2-CodexOpenAI
Large Language Models
↗
2025-12-11
O
Introducing GPT-5.2OpenAI
Large Language Models
↗
11/2025 3 launches
2025-11-24
O
GPT-5 and the future of mathematical discoveryOpenAI
Large Language Models
↗
2025-11-13
O
Introducing GPT-5.1 for developersOpenAI
Large Language Models
↗
2025-11-12
O
GPT-5.1: A smarter, more conversational ChatGPTOpenAI
Large Language Models
↗
10/2025 2 launches
2025-10-29
O
gpt-oss-safeguard technical reportOpenAI
Large Language Models
↗
2025-10-29
O
Introducing gpt-oss-safeguardOpenAI
Large Language Models
↗
9/2025 1 launches
2025-09-15
O
Introducing upgrades to CodexOpenAI
Large Language Models
↗
8/2025 7 launches
2025-08-28
O
Introducing gpt-realtime and Realtime API updatesOpenAI
Large Language Models
↗
2025-08-07
O
GPT-5: Our best model for workOpenAI
Large Language Models
↗
2025-08-07
O
Large Language Models
↗
2025-08-07
O
Introducing GPT-5 for developersOpenAI
Large Language Models
↗
2025-08-07
O
GPT-5 and the new era of workOpenAI
Large Language Models
↗
2025-08-05
O
Introducing gpt-ossOpenAI
Large Language Models
↗
2025-08-05
O
gpt-oss-120b & gpt-oss-20b Model CardOpenAI
Large Language Models
↗
7/2025 1 launches
2025-07-23
O
Announcing OpenAI DevDay 2025OpenAI
Large Language Models
↗
5/2025 1 launches
2025-05-16
O
Large Language Models
↗
4/2025 1 launches
2025-04-16
O
Introducing OpenAI o3 and o4-miniOpenAI
Large Language Models
↗
TideRank