Claude Opus 4.8 (Fast)
Anthropic
anthropic/claude-opus-4.8-fastFast-mode variant of Claude Opus 4.8, delivering Anthropic's top Opus-tier intelligence with reduced latency for demanding coding and agentic workloads. Same underlying capabilities as the standard model, tuned for quicker responses.
Cost rate
10x
Context
1M
Released
May 27, 2026
Input
TextImageFile
Output
Text
Support
ReasoningTool callingStructured outputs