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DeepSeek V2.5 vs Kimi K2 (0905)

0 vs 2 benchmarks won

DeepSeek
DeepSeek V2.5
Moonshot AI
Kimi K2 (0905)
Overview
CompanyDeepSeekMoonshot AI
Release dateSep 2024Sep 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 V2.5 shipped 369 days before Kimi K2 (0905)

Which is better: DeepSeek V2.5 or Kimi K2 (0905)?

Kimi K2 (0905) leads DeepSeek V2.5 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek V2.5 shipped 369 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 V2.5 released?
DeepSeek V2.5 was released by DeepSeek on Sep 2024.
When was Kimi K2 (0905) released?
Kimi K2 (0905) was released by Moonshot AI on Sep 5 2025.

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