Anthropic: AI model benchmarks

AI models from Anthropic. 125 models tracked, 40 with a unified ELO rating. Current best: Claude Fable 5.1 (ELO 1808, rank #1 overall). Most recent tracked release: 2026-09-01.

Rated models

RankModelProviderUnified ELOBenchmarks
1Claude Fable 5.1Anthropic1808 ± 1157
3Claude Mythos 5Anthropic1800 ± 154
6Claude Fable 5Anthropic1773 ± 1412
9Claude Opus 5Anthropic1771 ± 1393
11Claude Mythos PreviewAnthropic1767 ± 179
31Claude Opus 4.8Anthropic1718 ± 1826
42Claude Opus 4.7Anthropic1709 ± 1909
50Claude Opus 4.6Anthropic1699 ± 1874
66Claude Sonnet 5Anthropic1689 ± 1303
73Claude Opus 4.5Anthropic1685 ± 1470
77Claude Opus 4.5 (20251101)Anthropic1683 ± 1108
94Claude Sonnet 4.6Anthropic1670 ± 11243
102Claude Sonnet 4.5Anthropic1663 ± 11241
111Claude Opus 4.1Anthropic1657 ± 1188
122Claude Opus 4.1 (20250805)Anthropic1653 ± 192

Interactive version: theaggregate.ai/company?slug=anthropic · How It Works · Data refreshed daily, snapshot 2026-09-05.