anthropic

Anthropic: Claude Sonnet 4.6

Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with...

anthropic/claude-sonnet-4.6

Context Size

1,000K

Input Price

450,000 pts/M27,675 Ks/M

Output Price

2,250,000 pts/M138,375 Ks/M

Architecture

Text

Image

File

Supported Parameters

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_pverbosity

Details

TokenizerClaude

Max Completion128,000 tokens

Provider Context1,000K tokens

ModeratedYes

CreatedFeb 17, 2026