Claude Sonnet 4.6

Anthropic · released 17 Feb 2026

Input$3per 1M tokens
Output$15per 1M tokens
Context1,000Ktokens
WeightsClosed
context on a 1K–2M scale

About

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...

Details

Lab
Anthropicopenrouter.ai · 3 Oct 2026
Context
1,000Kopenrouter.ai · 3 Oct 2026
Input price
$3 / 1Mopenrouter.ai · 3 Oct 2026
Output price
$15 / 1Mopenrouter.ai · 3 Oct 2026
Max output
128,000 tokensopenrouter.ai · 3 Oct 2026
Inputs
text, image, fileopenrouter.ai · 3 Oct 2026
Open weights
Noopenrouter.ai · 3 Oct 2026

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