AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Home/Compare/DeepSeek V3.1 vs Grok 4.1

DeepSeek V3.1 vs Grok 4.1

DeepSeek DeepSeek V3.1 vs xAI Grok 4.1 — side-by-side specs.

DeepSeek
DeepSeek V3.1
xAI
Grok 4.1
Overview
CompanyDeepSeekxAI
Release dateAug 21 2025Nov 17 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek V3.1 shipped 88 days before Grok 4.1

Which is better: DeepSeek V3.1 or Grok 4.1?

DeepSeek V3.1 and Grok 4.1 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek V3.1 shipped 88 days before Grok 4.1, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.1 is an open-source / open-weight model; Grok 4.1 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 DeepSeek V3.1 released?
DeepSeek V3.1 was released by DeepSeek on Aug 21 2025.
When was Grok 4.1 released?
Grok 4.1 was released by xAI on Nov 17 2025.
Is DeepSeek V3.1 or Grok 4.1 open source?
DeepSeek V3.1 is an open-source / open-weight model released by DeepSeek. Grok 4.1 is a proprietary model released by xAI.

Other comparisons