Model Overview
Anthropic · Active Model
- Long-Context
- API Available
- Production Ready
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
- Developer
- Anthropic
- Release Date
- May 27, 2026
- Context Window
- 1,000,000 tokens≈ 1,333 words
- API Access
- Publicly AvailableIntegrate via official API
- Input Cost
- $10.00per million tokens
- Output Cost
- $50.00per million tokens