Claude Sonnet 4vso1-mini

Claude Sonnet 4
o1-mini
Specifications
Context window
128k
Benchmarks
Nonsense detection
BullshitBench v2
30%
Coding
SWE-Bench Verified
72.7%
Science
GPQA Diamond
75.4%Best
60%
Overview
CompanyAnthropicOpenAI
Release dateMay 22 2025Sep 12 2024
AccessProprietaryProprietary

Which is better: Claude Sonnet 4 or o1-mini?

Claude Sonnet 4 leads o1-mini on 1 of the 1 benchmark they both report (GPQA Diamond). o1-mini shipped 252 days before Claude Sonnet 4, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On GPQA Diamond, Claude Sonnet 4 leads at 75.4% vs o1-mini at 60%.

Frequently asked questions

Claude Sonnet 4 was released by Anthropic on May 22 2025.

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

Claude Sonnet 4 leads on GPQA Diamond — Claude Sonnet 4 75.4% vs o1-mini 60%.

Other comparisons