← All modelsKey Specifications
Context Window1M
Max Output128K
TokenizerClaude
Input Modalitiestext, image, file
Output Modalitiestext
Pricing
Input (per M tokens)$5.0000per million tokens
Output (per M tokens)$25.0000per million tokens
Capabilities
✓Function calling
✓Structured outputs
✓Unmoderated
About
Opus 4.6 is Anthropicâs strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...
Supported parameters
include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_pverbosity