Anthropic AI Models
Safety-focused lab behind the Claude model family. Known for Constitutional AI and long-context capabilities.
Claude Opus 5 (Fast)
Anthropic
Fast-mode variant of [Opus 5](/anthropic/claude-opus-5) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 5. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
Claude Opus 5
Anthropic
Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...
Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5 (Adaptive Reasoning, High Effort)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5 (Adaptive Reasoning, Medium Effort)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 5 (Adaptive Reasoning, Low Effort)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Sonnet 5
Anthropic
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
Claude Sonnet 5 (Non-reasoning, High Effort)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Fable 5
Anthropic
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...
Claude Opus 4.8 (Adaptive Reasoning, Max Effort)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 4.7 (Adaptive Reasoning, Max Effort)
Anthropic
A powerful AI model for general-purpose tasks.
Claude Opus 4.7 (Non-reasoning, High Effort)
Anthropic
A powerful AI model for general-purpose tasks.