Anthropic

Claude 4 Opus

Anthropic's most intelligent model

Claude 4.1 Opus

An upgrade to Claude Opus 4 on agentic tasks, real-world coding, and reasoning

Claude 4 Sonnet

Hybrid reasoning model with superior intelligence for high-volume use cases and a 200K context window

Claude Sonnet 4.5

Claude Haiku 4.5

Claude 3.7 Sonnet

Anthropic's previous most intelligent model with toggleable extended thinking

Claude 3.5 Sonnet

Anthropic's previous most intelligent model

Claude 3.5 Haiku

Claude 3.5 Haiku efficiently processes and categorizes information, making it effective for rapid data extraction and automated labeling tasks.