ANTHROPIC · MODEL TELEMETRY CARD

Claude Opus 5.5

Canonical UID: anthropic/claude-opus-5-5 · Released: 2026-09-22

Measured configurations of Claude Opus 5.5 across benchmark suites. Exact machine values in site.json and data dumps.
Domain Benchmark Effort / Mode ⚡ Value/Cost # 🏆 Performance # Score Task $ Unit Cost $ Unit
Code ALE-Bench HIGH #3 / 94 #6 / 94 2147.38 $0.271178 $0.0001263 rating point
Reason ProofBench MAX #13 / 62 #2 / 62 1 $0.961648 $0.9616 correct answer

Compare against all models on ← #frontier Live Ranking Board · Fixed-capability cost half-life analysis on /methodology.