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DeepSeek Coder vs Grok 4.20 Beta

DeepSeek DeepSeek Coder vs xAI Grok 4.20 Beta — side-by-side specs.

DeepSeek
DeepSeek Coder
xAI
Grok 4.20 Beta
Overview
CompanyDeepSeekxAI
Release dateNov 2 2023Feb 17 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek Coder shipped 838 days before Grok 4.20 Beta

Which is better: DeepSeek Coder or Grok 4.20 Beta?

DeepSeek Coder and Grok 4.20 Beta do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek Coder shipped 838 days before Grok 4.20 Beta, so benchmark comparisons should account for the intervening progress.

DeepSeek Coder is an open-source / open-weight model; Grok 4.20 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 Coder released?
DeepSeek Coder was released by DeepSeek on Nov 2 2023.
When was Grok 4.20 Beta released?
Grok 4.20 Beta was released by xAI on Feb 17 2026.
Is DeepSeek Coder or Grok 4.20 Beta open source?
DeepSeek Coder is an open-source / open-weight model released by DeepSeek. Grok 4.20 Beta is a proprietary model released by xAI.

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