Every AI model in the arena's universe
539 models from the labs and platforms that build and serve them. What each one is for, who made it, and whether you can download it and run it yourself.
Directory snapshot: August 2026
Previous generations, kept for reference.
Showing 33 of 539 models
- Claude 2.0AnthropicOlder models
- Claude 2.1AnthropicOlder models
- Claude 3 HaikuAnthropicOlder models
- Claude 3 OpusAnthropicOlder models
- Claude 3 SonnetAnthropicOlder models
- Claude 3.5 HaikuAnthropicOlder models
- Claude 3.5 Sonnet (June '24)AnthropicOlder models
- Claude 3.5 Sonnet (Oct '24)AnthropicOlder models
- Claude 3.7 Sonnet (Non-reasoning)AnthropicOlder models
- Claude 3.7 Sonnet (Reasoning)AnthropicOlder models
- Claude 4 Opus (Non-reasoning)AnthropicOlder models
- Claude 4 Opus (Reasoning)AnthropicOlder models
- Claude 4 Sonnet (Non-reasoning)AnthropicOlder models
- Claude 4 Sonnet (Reasoning)AnthropicOlder models
- Claude 4.1 Opus (Non-reasoning)AnthropicOlder models
- Claude 4.1 Opus (Reasoning)AnthropicOlder models
- Claude InstantAnthropicOlder models
- GPT-3.5 TurboOpenAIOlder models
- GPT-3.5 Turbo (0613)OpenAIOlder models
- GPT-4OpenAIOlder models
- GPT-4 TurboOpenAIOlder models
- GPT-4.1OpenAIOlder models
- GPT-4.1 miniOpenAIOlder models
- GPT-4.1 nanoOpenAIOlder models
- GPT-4.5 (Preview)OpenAIOlder models
- GPT-4o (Aug '24)OpenAIOlder models
- GPT-4o (ChatGPT)OpenAIOlder models
- GPT-4o (March 2025, chatgpt-4o-latest)OpenAIOlder models
- GPT-4o (May '24)OpenAIOlder models
- GPT-4o (Nov '24)OpenAIOlder models
- GPT-4o Realtime (Dec '24)OpenAIOlder models
- OpenChat 3.5 (1210)OpenChat (community)OpenOlder models
- PALM-2GoogleOlder models
Browsing by generation instead? Every model page links to its family, so you can see the whole line-up side by side. Ratings live on the leaderboard — only models currently in the arena pool are ranked there.