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DeepSeek V3.1 Terminus vs Grok 3

DeepSeek DeepSeek V3.1 Terminus vs xAI Grok 3 — side-by-side specs.

DeepSeek
DeepSeek V3.1 Terminus
xAI
Grok 3
Overview
CompanyDeepSeekxAI
Release dateSep 22 2025Feb 17 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapGrok 3 shipped 217 days before DeepSeek V3.1 Terminus

Which is better: DeepSeek V3.1 Terminus or Grok 3?

DeepSeek V3.1 Terminus and Grok 3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 3 shipped 217 days before DeepSeek V3.1 Terminus, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.1 Terminus is an open-source / open-weight model; Grok 3 is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek V3.1 Terminus and Grok 3 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was DeepSeek V3.1 Terminus released?
DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.
When was Grok 3 released?
Grok 3 was released by xAI on Feb 17 2025.
Is DeepSeek V3.1 Terminus or Grok 3 open source?
DeepSeek V3.1 Terminus is an open-source / open-weight model released by DeepSeek. Grok 3 is a proprietary model released by xAI.

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