AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Home/Compare/DeepSeek Chat (R1-based) vs Kimi Linear

DeepSeek Chat (R1-based) vs Kimi Linear

DeepSeek DeepSeek Chat (R1-based) vs Moonshot AI Kimi Linear — side-by-side specs.

DeepSeek
DeepSeek Chat (R1-based)
Moonshot AI
Kimi Linear
Overview
CompanyDeepSeekMoonshot AI
Release dateJan 20 2025Oct 2025
Model type
Open sourceYesYes
Specifications
Parameters
48B
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek Chat (R1-based) shipped 254 days before Kimi Linear

Which is better: DeepSeek Chat (R1-based) or Kimi Linear?

DeepSeek Chat (R1-based) and Kimi Linear do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek Chat (R1-based) shipped 254 days before Kimi Linear, 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 Chat (R1-based) released?
DeepSeek Chat (R1-based) was released by DeepSeek on Jan 20 2025.
When was Kimi Linear released?
Kimi Linear was released by Moonshot AI on Oct 2025.

Other comparisons