Claude Sonnet 4.6 (batch)

Anthropic · released 17 Feb 2026

Input$1.5per 1M tokens

Output$7.5per 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: $1.5 / 1Mopenrouter.ai · 3 Oct 2026
Output price: $7.5 / 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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Sources

openrouter.ai/anthropic/claude-sonnet-4.6:batch· checked 3 Oct 2026