ANTHROPIC · MODEL TELEMETRY CARD

Claude Sonnet 4.5

Canonical UID: anthropic/claude-sonnet-4-5-20250929 · Released: 2025-09-29

Measured configurations of **Claude Sonnet 4.5** 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	STD	#70 / 94	#63 / 94	796.15	$0.151558	$0.0001904	rating point
Reason	ProofBench	STD	#52 / 62	#44 / 62	0.19	$0.65341	$3.439	correct answer

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