Claude-Opus-4.5

Anthropic

Parameters

—

Architecture

—

Released

—

License

—

About

No detailed description available for this model.

Benchmark	Score	Date	Standing
SWE-bench Pro coding_agent	52.40%	03.02.2026	#51/77 better than 34%

Be the first to share your thoughts!

You have read the full card for Claude-Opus-4.5 — here is where to go next.