Anthropic

Anthropic: Claude Opus 4.8 (Fast)

Anthropic claude-opus-4-8-fast
Model Information
Slug claude-opus-4-8-fast
LLMs.txt View
Release Date May 27, 2026 New
Organization
Model Description
Fast-mode variant of [Opus 4.8](/anthropic/claude-opus-4.8) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 4.8.

Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
Available at 11 Providers
Provider Type Model Name Original Model Input ($/1M) Output ($/1M) Free Actions
Cline
Cline
Code
Anthropic: Claude Opus 4.8 (Fast)
anthropic/claude-opus-4.8-fast $10.00 $50.00
Kilo Code
Kilo Code
Code
Anthropic: Claude Opus 4.8 (Fast) ($$$$)
anthropic/claude-opus-4.8-fast $10.00 $50.00
Nous Research
Nous Research
Anthropic: Claude Opus 4.8 (Fast)
anthropic/claude-opus-4.8-fast $10.00 $50.00
OpenRouter
OpenRouter
Chat Code
Claude Opus 4.8 (Fast)
anthropic/claude-opus-4.8-fast $10.00 $50.00
Venice
Venice
Claude Opus 4.8 Fast
claude-opus-4-8-fast $12.00 $60.00
Krater
Krater
Anthropic: Claude Opus 4.8 (Fast)
claude-opus-4-8-fast - -
Windsurf
Windsurf
Code
Claude Opus 4.8 Fast (Low Thinking)
claude-opus-4.8-fast-low-thinking - -
Windsurf
Windsurf
Code
Claude Opus 4.8 Fast (Medium Thinking)
claude-opus-4.8-fast-medium-thinking - -
Windsurf
Windsurf
Code
Claude Opus 4.8 Fast (High Thinking)
claude-opus-4.8-fast-high-thinking - -
Windsurf
Windsurf
Code
Claude Opus 4.8 Fast (XHigh Thinking)
claude-opus-4.8-fast-xhigh-thinking - -
Windsurf
Windsurf
Code
Claude Opus 4.8 Fast (Max Thinking)
claude-opus-4.8-fast-max-thinking - -