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

DeepSeek V3.1 vs Kimi Linear

DeepSeek
DeepSeek V3.1
Moonshot AI
Kimi Linear
Overview
CompanyDeepSeekMoonshot AI
Release dateAug 21 2025Oct 2025
AccessOpen WeightOpen Weight
Specifications
Parameters
48B
Timeline
Release gapDeepSeek V3.1 shipped 41 days before Kimi Linear

Which is better: DeepSeek V3.1 or Kimi Linear?

DeepSeek V3.1 and Kimi Linear don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V3.1 shipped 41 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 V3.1 and Kimi Linear don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek V3.1 was released by DeepSeek on Aug 21 2025.

Kimi Linear was released by Moonshot AI on Oct 2025.

Other comparisons