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Claude Opus 4.5

Model
AnthropicFamily Claude 4legacy

A frontier Claude model for coding, agents, computer use, research, and professional work.

Released
Nov 24, 2025
Context window
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Modality
textimage
Open source
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API available
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Releases
1

Releases

1
Nov 24, 2025Claude Opus 4.5 releasedClaude Opus 4.5

Anthropic released Claude Opus 4.5 for coding, agents, computer use, research, and professional work.

Anthropic Model releaseAnthropicClaude Opus 4.5