Release timeline

Latest AI model releases

Every model in the archive, newest first. The most recent addition is Claude Sonnet 4.5, released Sep 29, 2025.

ReleasedModelContextLicence
Sep 29, 2025Claude Sonnet 4.5
LLM
200KClosed / API
Aug 7, 2025GPT-5
LLM
400KClosed / API
Jul 9, 2025Grok 4
LLM
256KClosed / API
Apr 5, 2025Llama 4
LLM
10MOpen weights
Mar 25, 2025Gemini 2.5 Pro
LLM
1MClosed / API
Jan 20, 2025DeepSeek R1
LLM
128KOpen weights
Dec 26, 2024DeepSeek V3
LLM
128KOpen weights
Dec 5, 2024OpenAI o1
reasoning LLM
200KClosed / API
Jun 20, 2024Claude 3.5 Sonnet
LLM
200KClosed / API
May 13, 2024GPT-4o
LLM
128KClosed / API
Apr 18, 2024Llama 3
LLM
8.2KOpen weights
Mar 4, 2024Claude 3 Opus
LLM
200KClosed / API
Feb 15, 2024Gemini 1.5 Pro
LLM
2MClosed / API
Dec 11, 2023Mixtral 8x7B
LLM
32KOpen weights
Dec 6, 2023Gemini 1.0
LLM
32KClosed / API
Nov 4, 2023Grok-1
LLM
8.2KOpen weights
Sep 27, 2023Mistral 7B
LLM
8.2KOpen weights
Jul 18, 2023Llama 2
LLM
4.1KOpen weights
Jul 11, 2023Claude 2
LLM
100KClosed / API
Mar 14, 2023GPT-4
LLM
8.2KClosed / API
Mar 14, 2023Claude 1
LLM
9KClosed / API
Nov 30, 2022GPT-3.5
LLM
4.1KClosed / API
Jun 11, 2020GPT-3
LLM
2.0KClosed / API
Feb 14, 2019GPT-2
LLM
1.0KOpen weights