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DeepSeek-V4-Pro vs Grok 4.3 Beta

1 vs 0 benchmarks won

DeepSeek
DeepSeek-V4-Pro
xAI
Grok 4.3 Beta
Overview
CompanyDeepSeekxAI
Release dateApr 24 2026Apr 17 2026
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 4.3 Beta shipped 7 days before DeepSeek-V4-Pro

Which is better: DeepSeek-V4-Pro or Grok 4.3 Beta?

DeepSeek-V4-Pro leads Grok 4.3 Beta on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Grok 4.3 Beta shipped 7 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 4.3 Beta 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 4.3 Beta released?
Grok 4.3 Beta was released by xAI on Apr 17 2026.
Is DeepSeek-V4-Pro or Grok 4.3 Beta open source?
DeepSeek-V4-Pro is an open-source / open-weight model released by DeepSeek. Grok 4.3 Beta is a proprietary model released by xAI.

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