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Claude Opus 4.7 vs Grok 4.1

2 vs 0 benchmarks won

Anthropic
Claude Opus 4.7
xAI
Grok 4.1
Overview
CompanyAnthropicxAI
Release dateApr 16 2026Nov 17 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
94.2%
Software engineering
SWE-Bench Verified
87.6%
Multimodal understanding
MMMU
Timeline
Release gapGrok 4.1 shipped 150 days before Claude Opus 4.7

Which is better: Claude Opus 4.7 or Grok 4.1?

Claude Opus 4.7 leads Grok 4.1 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Grok 4.1 shipped 150 days before Claude Opus 4.7, 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 Opus 4.7 released?
Claude Opus 4.7 was released by Anthropic on Apr 16 2026.
When was Grok 4.1 released?
Grok 4.1 was released by xAI on Nov 17 2025.

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