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

DeepSeek Chat (R1-based) vs Kimi Linear

DeepSeek
DeepSeek Chat (R1-based)
Moonshot AI
Kimi Linear
Overview
CompanyDeepSeekMoonshot AI
Release dateJan 20 2025Oct 2025
AccessOpen WeightOpen Weight
Specifications
Parameters
48B
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 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. 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 — DeepSeek Chat (R1-based) and Kimi Linear don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek Chat (R1-based) was released by DeepSeek on Jan 20 2025.

Kimi Linear was released by Moonshot AI on Oct 2025.

Other comparisons