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anthropic
anthropicAnthropic: 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
anthropic/claude-opus-4.6-fast
Context Size
1,000K
Input Price
4,500,000 pts/M
Output Price
22,500,000 pts/M
Architecture
Text
Image
File
Supported Parameters
include_reasoningmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_pverbosity
Details
TokenizerClaude
Max Completion128,000 tokens
Provider Context1,000K tokens
ModeratedYes
CreatedApr 7, 2026