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anthropic logoAnthropic: Claude Sonnet 4.6

anthropic/claude-sonnet-4.6 · anthropic · context 1 000 000 · in $3.00/1M · out $15.00/1M

Global Index

683

95% CI [625741] · index v0.1.0

Per-domain scores

DomainScore (95% CI)Accuracy (IRT)ConsistencyCalibrationContam. Δp50$/1k
code738 [584893]
0.5271.000.990.0001.2s$6.63
instruction following690 [544836]
0.4951.000.980.0381.6s$1.17
knowledge723 [570877]
0.5001.000.990.0001.2s$0.518
math534 [446622]
0.3101.000.710.0581.1s$1.65
multilingual726 [573880]
0.5051.000.990.0001.1s$0.801
reasoning689 [543835]
0.4950.980.990.0381.1s$1.77

Run history

  • 2026-08-05v0.1.0index_fit683
  • 2026-08-05v0.1.0index_fit684
  • 2026-08-05v0.1.0index_fit696
  • 2026-08-05v0.1.0demo_seed655