Claude Opus 4.5 (latest)

Claude Opus 4.5 (latest) by Anthropic — specifications, pricing and published benchmark scores, with community links.

OrganizationAnthropic
Released2025-11
LicenseProprietary
Open weightsNo
Context window200,000 tokens
Modalitytext, image, pdf
Input price$5 / 1M
Output price$25 / 1M

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