Name: Claude 2
Author: Anthropic

Claude 2

Anthropic · 2023-07-11

Claude 2 is Anthropic's second-generation Claude model, improving over Claude 1 with longer responses, a larger context window, and stronger coding, math, and reasoning.

Benchmark scores

Benchmark	Score
AlpacaEval 2.0 (length-controlled win rate)	28.2
AlpacaEval 2.0 (raw win rate)	17.2
Artificial Analysis Coding Index	12.9
Artificial Analysis Intelligence Index	3.6
Capability	114.3
Epoch Capabilities Index (ECI)	119
EQ-Bench v2	72.9
LiveCodeBench (Artificial Analysis)	17.1
MATH Level 5	11.7
MMLU	78.5
MMLU Pro	48.6
OTIS Mock AIME 2024-2025	2.5
SciCode (Artificial Analysis)	19.4
TriviaQA	87.5