Provenance receipt

Claude Opus 4.8 — SWE-Bench Pro Score

69.2%

Verified · 2+ sourcesVerified Jun 10, 2026

Provenance

Source: models.dev
Last verified: Jun 10, 2026
What "high" confidence means: Two or more independent sources agree on this value.
Weight in overall score: 25%

No recorded changes to this value yet — it has held at 69.2% since it was first verified.

This is the canonical URL for this fact — the same one AI Model Rankings's public API and MCP server hand to agents as the citation source.

https://www.optisift.com/en/receipt/claude-opus-4-8/swe-bench-pro

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