Claude 4.1 Opus Thinking

AnthropicProprietaryReasoningProvisionalReleased Aug 5, 2025

Overall score

39.4

Rank 145 of 222 · 29.7–49.1

Context window

200K

200,000 tokens

Price per 1M tokens

— in · — out

No price listed

Blended price

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3:1 input:output tokens

Output speed

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Not measured yet

Category scores

Scores per capability area with the model's rank among ranked models in that category.

Higher is better. #N is the model's rank in that category, where it is eligible to be ranked.

As reported in system cards, papers and public evaluations. Position compares this model with every other model reporting the same benchmark.

No benchmark results with redistributable sources yet.

USD per 1M tokens.

Source	Input	Output	Cached in
List price	—	—	—

Anthropic documents extended thinking for Opus 4.1, but does not publish a separate priced `claude-4-1-opus-thinking` SKU.

Measured by us through OpenRouter (median of trials).

Not available on OpenRouter, so we cannot measure it yet.