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Anthropic: Claude Opus 4.5

Anthropic: Claude Opus 4.5 is anthropic's model. It is not yet scored on the meo first-party benchmark; aggregated third-party results and OpenRouter metadata are shown below.

Model details

Lab
anthropic
Released
2025-11-24
Weights
Context
200K
Max output
64K
Knowledge cutoff
Price in
$5.00/M
Price out
$25.00/M
Modality
text+image+file->text

Sources: openrouter

FAQ

Is Anthropic: Claude Opus 4.5 open weights?

Open-weights status for Anthropic: Claude Opus 4.5 is not recorded.