Benchmark Almanac

Claude 2.1

Claude 2.1.

Anthropic Released 21 Nov 2023
12
Benchmarks with a score
0
Ranked first, out of five or more models
0
In the top three
Anthropic Nov 2023

Claude 2.1

Closed weights

119.2 #199 of 271
Epoch Capabilities Index
  • GPQA Diamond 33% #192 /219
  • Situational Awareness Dataset (SAD) 46.2% #10 /17
  • OTIS Mock AIME 2024-2025 1.94% #186 /202

Where it ranks

Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.

Knowledge and language

BenchmarkScoreRankSource
MMLU 73.5% #46 of 127 Epoch AI
EQ-Bench v2 74.0 #39 of 85 Official leaderboard
AlpacaEval 2.0 25.3% #21 of 40 Official leaderboard
AlpacaEval 87.1% #12 of 19 Official leaderboard

Math and science

BenchmarkScoreRankSource
ForecastBench 58.6 #18 of 86 Official leaderboard
GPQA Diamond 33% #192 of 219 Epoch AI
DTBench 18.3% #159 of 178 Official leaderboard
OTIS Mock AIME 2024-2025 1.94% #186 of 202 Epoch AI

Coding

BenchmarkScoreRankSource
WeirdML 7.06% #112 of 112 Official leaderboard

Safety and security

BenchmarkScoreRankSource
Situational Awareness Dataset (SAD) 46.2% #10 of 17 Official leaderboard
OR-Bench 99.8% #28 of 28 Official leaderboard

Other

BenchmarkScoreRankSource
HELM Lite 43.7 #46 of 71 Official leaderboard

Anthropic's models over time

Anthropic's models in color, against every other model on the Epoch Capabilities Index, by release date.

50 75 100 125 150 175 2023 2024 2025 2026 2027 Claude Haiku 5.5 Claude Sonnet 5.5 Claude Sonnet 4.6 Claude Haiku 4.5 Claude 3.7 Sonnet Claude 3.5 Haiku Claude 3.5 Sonnet (October 2024) 50 75 100 125 150 175 2023 2024 2025 2026 2027 Claude Haiku 5.5 Claude Opus 4.5