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Home/Compare/Claude Opus 4.7 vs DeepSeek V3.1

Claude Opus 4.7 vs DeepSeek V3.1

2 vs 0 benchmarks won

Anthropic
Claude Opus 4.7
DeepSeek
DeepSeek V3.1
Overview
CompanyAnthropicDeepSeek
Release dateApr 16 2026Aug 21 2025
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
94.2%
Software engineering
SWE-Bench Verified
87.6%
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek V3.1 shipped 238 days before Claude Opus 4.7

Which is better: Claude Opus 4.7 or DeepSeek V3.1?

Claude Opus 4.7 leads DeepSeek V3.1 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek V3.1 shipped 238 days before Claude Opus 4.7, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.1 is an open-source / open-weight model; Claude Opus 4.7 is proprietary.

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 DeepSeek V3.1 released?
DeepSeek V3.1 was released by DeepSeek on Aug 21 2025.
Is Claude Opus 4.7 or DeepSeek V3.1 open source?
DeepSeek V3.1 is an open-source / open-weight model released by DeepSeek. Claude Opus 4.7 is a proprietary model released by Anthropic.

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