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Anthropic: Claude Opus 4.6 (Fast)
claude-opus-4.6-fast
Fast-mode variant of [Opus 4.6](/anthropic/claude-opus-4.6) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
Modalities
Input
imagetext
Output
text
Pricing
Cost per 1 million tokens
Input
$36
Output
$180
Model Specs
Context Window
1,000,000Max Output
128,000Release Date
2026-04-07Knowledge Cutoff
2025-05-31Capabilities
Reasoning
Tool Calling
Vision
Last Updated: 2026-04-11
Provider: