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DeepSeek V3 Chat vs Kimi K2 Thinking

0 vs 1 benchmarks won

DeepSeek
DeepSeek V3 Chat
Moonshot AI
Kimi K2 Thinking
Overview
CompanyDeepSeekMoonshot AI
Release dateDec 2024Nov 6 2025
Model type
Open sourceYesYes
Specifications
Parameters
1T
Context window
256k
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
71.3%
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek V3 Chat shipped 340 days before Kimi K2 Thinking

Which is better: DeepSeek V3 Chat or Kimi K2 Thinking?

Kimi K2 Thinking leads DeepSeek V3 Chat on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek V3 Chat shipped 340 days before Kimi K2 Thinking, 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 Thinking released?
Kimi K2 Thinking was released by Moonshot AI on Nov 6 2025.

Other comparisons