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

Home/Compare/DeepSeek R1-0528 vs Kimi K2 Thinking

DeepSeek R1-0528 vs Kimi K2 Thinking

0 vs 1 benchmarks won

DeepSeek
DeepSeek R1-0528
Moonshot AI
Kimi K2 Thinking
Overview
CompanyDeepSeekMoonshot AI
Release dateMay 28 2025Nov 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 R1-0528 shipped 162 days before Kimi K2 Thinking

Which is better: DeepSeek R1-0528 or Kimi K2 Thinking?

Kimi K2 Thinking leads DeepSeek R1-0528 on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek R1-0528 shipped 162 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 R1-0528 released?
DeepSeek R1-0528 was released by DeepSeek on May 28 2025.
When was Kimi K2 Thinking released?
Kimi K2 Thinking was released by Moonshot AI on Nov 6 2025.

Other comparisons