Benchmark Almanac

Claude 2

Claude 2 places in the top three on RACE-H.

Anthropic Released 11 Jul 2023 Family Claude 2 The lab's model card
31
Benchmarks with a score
0
Ranked first, out of five or more models
1
In the top three
Anthropic Jul 2023

Claude 2

Closed weights Flagship

120.1 #196 of 271
Epoch Capabilities Index
  • GPQA Diamond 34.7% #187 /219
  • Vectara Hallucination Leaderboard (HHEM) 17.4% #5 /148
  • SWE-bench Lite 3.00% #13 /15

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
Vectara Hallucination Leaderboard (HHEM) 17.4% #5 of 148 Official leaderboard
TriviaQA 87.5% #6 of 39 Model card
TruthfulQA 69% #6 of 28 Model card
ARC-Challenge 91% #14 of 45 Model card
GRE Analytical Writing 5.00 #1 of 3 Model card
RACE-H 88.3% #3 of 7 Model card
AlpacaEval 2.0 28.2% #18 of 40 Official leaderboard
AlpacaEval 91.4% #9 of 19 Official leaderboard
EQ-Bench v2 72.9 #46 of 85 Official leaderboard
QuALITY 83.2% #4 of 7 Model card
MMLU 78.5% #79 of 127 Model card
GRE Verbal 165.0 #5 of 6 Model card

Math and science

BenchmarkScoreRankSource
GSM8K 88% #46 of 87 Model card
GRE Quantitative 154.0 #5 of 6 Model card
GPQA Diamond 34.7% #187 of 219 Epoch AI
DTBench 19.7% #157 of 178 Official leaderboard
MATH Level 5 11.7% #84 of 94 Epoch AI
OTIS Mock AIME 2024-2025 2.50% #181 of 202 Epoch AI

Coding

BenchmarkScoreRankSource
HumanEval+ 61.6% #26 of 46 Official leaderboard
HumanEval 71.2% #68 of 95 Model card
Bird-SQL 49% #10 of 13 Official leaderboard
SWE-bench 1.96% #7 of 9 Official leaderboard
SWE-bench Lite 3.00% #13 of 15 Official leaderboard
SWE-bench Verified 4.40% #58 of 60 Official leaderboard

Professional work

BenchmarkScoreRankSource
MBE (Multistate Bar Examination) 76.5% #2 of 4 Model card
USMLE Step 1 (sample questions) 68.9% #1 of 1 Model card
USMLE Step 2 (sample questions) 63.3% #1 of 1 Model card
USMLE Step 3 (sample questions) 67.2% #1 of 1 Model card

Safety and security

BenchmarkScoreRankSource
Combined HHH evals (Anthropic) 86% #1 of 1 Model card
Harmfulness scores on held-out prompts (Anthropic) 1.20% #1 of 1 Model card

Other

BenchmarkScoreRankSource
HELM Lite 48.9 #39 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

Its launch post

The benchmarks the lab chose to headline, with the scores it gave.

Its system card

Every result in the longer documents the lab published with it. 13 of them aren't in the launch post.

Hallucination