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DeepSeek-R1-Lite Preview vs Kimi K2.6

DeepSeek DeepSeek-R1-Lite Preview vs Moonshot AI Kimi K2.6 — side-by-side specs.

DeepSeek
DeepSeek-R1-Lite Preview
Moonshot AI
Kimi K2.6
Overview
CompanyDeepSeekMoonshot AI
Release dateNov 20 2024Apr 21 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-R1-Lite Preview shipped 517 days before Kimi K2.6

Which is better: DeepSeek-R1-Lite Preview or Kimi K2.6?

DeepSeek-R1-Lite Preview and Kimi K2.6 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek-R1-Lite Preview shipped 517 days before Kimi K2.6, so benchmark comparisons should account for the intervening progress.

DeepSeek-R1-Lite Preview is an open-source / open-weight model; Kimi K2.6 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-R1-Lite Preview released?
DeepSeek-R1-Lite Preview was released by DeepSeek on Nov 20 2024.
When was Kimi K2.6 released?
Kimi K2.6 was released by Moonshot AI on Apr 21 2026.
Is DeepSeek-R1-Lite Preview or Kimi K2.6 open source?
DeepSeek-R1-Lite Preview is an open-source / open-weight model released by DeepSeek. Kimi K2.6 is a proprietary model released by Moonshot AI.

Other comparisons