Claude Opus 4.1 (batch)

Anthropic · released 5 Aug 2025

Input$7.5per 1M tokens

Output$37.5per 1M tokens

Context200Ktokens

WeightsClosed

context on a 1K–2M scale

About

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...

Details

Lab: Anthropicopenrouter.ai · 3 Oct 2026
Context: 200Kopenrouter.ai · 3 Oct 2026
Input price: $7.5 / 1Mopenrouter.ai · 3 Oct 2026
Output price: $37.5 / 1Mopenrouter.ai · 3 Oct 2026
Max output: 32,000 tokensopenrouter.ai · 3 Oct 2026
Inputs: image, text, fileopenrouter.ai · 3 Oct 2026
Open weights: Noopenrouter.ai · 3 Oct 2026

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Sources

openrouter.ai/anthropic/claude-opus-4.1:batch· checked 3 Oct 2026