Anthropic.
AI safety company building Claude, the assistant focused on being helpful, harmless, and honest.
Models from Anthropic.
Claude Opus 4.7
Frontier reasoning and long-form coding from Anthropic.
Claude Sonnet 4.6
Best price-performance from Anthropic. Default for production agents.
Claude 3.5 Sonnet
Anthropic's 3.5 generation — still in active production.
Claude Haiku 4.5
Fast, cheap Claude variant for high-throughput inference.
Claude 3.5 Haiku
Fast/cheap Claude 3.5 variant — production fallback for Haiku 4.5.
Anthropic: Claude 3 Haiku
Claude 3 Haiku is Anthropic's fastest and most compact model for near-instant responsiveness. Quick and accurate targeted performance. S...
Anthropic Claude Haiku Latest
This model always redirects to the latest model in the Anthropic Claude Haiku family.
Anthropic: Claude Opus 4
Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-runnin...
Anthropic: Claude Opus 4.1
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic task...
Anthropic: Claude Opus 4.5
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon c...
Anthropic: Claude Opus 4.6
Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire...
Anthropic: Claude Opus 4.6 (Fast)
Fast-mode variant of [Opus 4.6](/anthropic/claude-opus-4.6) - identical capabilities with higher output speed at premium 6x pricing. Lea...
Anthropic: Claude Opus 4.7 (Fast)
Fast-mode variant of [Opus 4.7](/anthropic/claude-opus-4.7) - identical capabilities with higher output speed at premium 6x pricing. Lea...
Anthropic: Claude Opus Latest
This model always redirects to the latest model in the Claude Opus family.
Anthropic: Claude Sonnet 4
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with...
Anthropic: Claude Sonnet 4.5
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers st...
Anthropic Claude Sonnet Latest
This model always redirects to the latest model in the Anthropic Claude Sonnet family.