Claude 2vso1-preview

Claude 2
o1-preview
Specifications
Context window
100k
128k
Benchmarks
Function synthesis
HumanEval
71.2%
Science
GPQA Diamond
73.3%
General knowledge
MMLU
78.5%
Grade-school math
GSM8K
88%
Overview
CompanyAnthropicOpenAI
Release dateJul 11 2023Sep 12 2024
AccessProprietaryProprietary

Which is better: Claude 2 or o1-preview?

Claude 2 and o1-preview don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2 shipped 429 days before o1-preview, so benchmark comparisons should account for the intervening progress.

Context windows are 100k (Claude 2) vs 128k (o1-preview).

Direct benchmark comparisons are unavailable — Claude 2 and o1-preview don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 2 was released by Anthropic on Jul 11 2023.

o1-preview was released by OpenAI on Sep 12 2024.

Claude 2 has a 100k context window; o1-preview has 128k.

Other comparisons