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Home/Compare/DeepSeek-V4-Pro vs Grok Code Fast 1

DeepSeek-V4-Pro vs Grok Code Fast 1

1 vs 0 benchmarks won

DeepSeek
DeepSeek-V4-Pro
xAI
Grok Code Fast 1
Overview
CompanyDeepSeekxAI
Release dateApr 24 2026Aug 28 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
90.1%
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGrok Code Fast 1 shipped 239 days before DeepSeek-V4-Pro

Which is better: DeepSeek-V4-Pro or Grok Code Fast 1?

DeepSeek-V4-Pro leads Grok Code Fast 1 on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Grok Code Fast 1 shipped 239 days before DeepSeek-V4-Pro, so benchmark comparisons should account for the intervening progress.

DeepSeek-V4-Pro is an open-source / open-weight model; Grok Code Fast 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-V4-Pro released?
DeepSeek-V4-Pro was released by DeepSeek on Apr 24 2026.
When was Grok Code Fast 1 released?
Grok Code Fast 1 was released by xAI on Aug 28 2025.
Is DeepSeek-V4-Pro or Grok Code Fast 1 open source?
DeepSeek-V4-Pro is an open-source / open-weight model released by DeepSeek. Grok Code Fast 1 is a proprietary model released by xAI.

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