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Compare AI models Release status, dates, LM Arena scores, the community Vibe Rating, and lineage — side by side. Sourced benchmark numbers are kept separate from community sentiment.
Claude 2.1 Provider Anthropic Out yet? Yes Status Available Release date Nov 21, 2023 LM Arena — Vibe Rating — Predecessor Claude 2 Successor Claude 3 Sonnet
Add a model: Choose a model… ChatGPT 5.6 Claude 1 Claude 2 Claude 3 Haiku Claude 3 Opus Claude 3 Sonnet Claude 3.5 Haiku Claude 3.5 Sonnet Claude 3.7 Sonnet Claude Fable 5 Claude Mythos 5 Claude Opus 4 Claude Sonnet 4 Claude Sonnet 5 Cursor foundation model Gemini 3.5 Pro GLM-5.2 GPT-3 GPT-3.5 Turbo GPT-4 GPT-4 Turbo GPT-4.1 GPT-4.5 GPT-4o GPT-4o mini Grok 5 Mistral next-gen (open-weight MoE) o1 o3 o3-mini o4-mini