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DeepSeek Coder vs Kimi K2 (0905)

0 vs 2 benchmarks won

DeepSeek
DeepSeek Coder
Moonshot AI
Kimi K2 (0905)
Overview
CompanyDeepSeekMoonshot AI
Release dateNov 2 2023Sep 5 2025
Model type
Open sourceYesYes
Specifications
Parameters
1T
Context window
256k
Benchmarks
Science reasoning
GPQA Diamond
75.1%
Software engineering
SWE-Bench Verified
65.8%
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek Coder shipped 673 days before Kimi K2 (0905)

Which is better: DeepSeek Coder or Kimi K2 (0905)?

Kimi K2 (0905) leads DeepSeek Coder on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek Coder shipped 673 days before Kimi K2 (0905), so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

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 Kimi K2 (0905) released?
Kimi K2 (0905) was released by Moonshot AI on Sep 5 2025.

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