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DeepSeek V3 Chat vs Kimi K2.5

0 vs 2 benchmarks won

DeepSeek
DeepSeek V3 Chat
Moonshot AI
Kimi K2.5
Overview
CompanyDeepSeekMoonshot AI
Release dateDec 2024Jan 27 2026
Model type
Open sourceYesYes
Specifications
Parameters
1T
Context window
256k
Benchmarks
Science reasoning
GPQA Diamond
87.6%
Software engineering
SWE-Bench Verified
76.8%
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek V3 Chat shipped 422 days before Kimi K2.5

Which is better: DeepSeek V3 Chat or Kimi K2.5?

Kimi K2.5 leads DeepSeek V3 Chat on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek V3 Chat shipped 422 days before Kimi K2.5, 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 V3 Chat released?
DeepSeek V3 Chat was released by DeepSeek on Dec 2024.
When was Kimi K2.5 released?
Kimi K2.5 was released by Moonshot AI on Jan 27 2026.

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