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Claude 3.7 Sonnet vs Grok 2.5

2 vs 0 benchmarks won

Anthropic
Claude 3.7 Sonnet
xAI
Grok 2.5
Overview
CompanyAnthropicxAI
Release dateFeb 24 2025Aug 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
68%
Software engineering
SWE-Bench Verified
62.3%
Multimodal understanding
MMMU
Timeline
Release gapClaude 3.7 Sonnet shipped 158 days before Grok 2.5

Which is better: Claude 3.7 Sonnet or Grok 2.5?

Claude 3.7 Sonnet leads Grok 2.5 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude 3.7 Sonnet shipped 158 days before Grok 2.5, 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.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Claude 3.7 Sonnet released?
Claude 3.7 Sonnet was released by Anthropic on Feb 24 2025.
When was Grok 2.5 released?
Grok 2.5 was released by xAI on Aug 2025.

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