Anthropic AI Models
Safety-focused lab behind the Claude model family. Known for Constitutional AI and long-context capabilities.
- Founded 2021
- San Francisco, CA
- 37 Models
- Website
Claude Haiku 5.5
Anthropic
Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...
Claude Haiku 5.5 (Max)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Haiku 5.5 (Xhigh)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Haiku 5.5 (High)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Haiku 5.5 (Medium)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Haiku 5.5 (Low)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5.5
Anthropic
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...
Claude Sonnet 5.5 (Max, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5.5 (Xhigh, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5.5 (High, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5.5 (Medium, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5.5 (Low, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5.5
Anthropic
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
Claude Opus 5.5 (Max, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5.5 (Xhigh, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5.5 (High, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5.5 (Medium, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5.5 (Low, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Fable 5.1
Anthropic
Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual...
Claude Fable 5.1 (Max, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Fable 5.1 (Xhigh, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Fable 5.1 (High, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Fable 5.1 (Medium, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Fable 5.1 (Low, Default Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5 (Max)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5 (Xhigh)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5 (High)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5 (Medium)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5 (Low)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5 (Max)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5 (Xhigh)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5 (High)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5 (Medium)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5 (Low)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5 (Non-reasoning, High)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Fable 5 (Max, Opus 4.8 Fallback)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 4.8 (Max)
Anthropic
A powerful AI model for general-purpose tasks.