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

DeepSeek R1-0528 vs Kimi Chat

DeepSeek
DeepSeek R1-0528
Moonshot AI
Kimi Chat
Overview
CompanyDeepSeekMoonshot AI
Release dateMay 28 2025Oct 2023
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
8%
Timeline
Release gapKimi Chat shipped 605 days before DeepSeek R1-0528

Which is better: DeepSeek R1-0528 or Kimi Chat?

DeepSeek R1-0528 and Kimi Chat don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi Chat shipped 605 days before DeepSeek R1-0528, so benchmark comparisons should account for the intervening progress.

DeepSeek R1-0528 is open weight, while Kimi Chat is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek R1-0528 and Kimi Chat don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek R1-0528 was released by DeepSeek on May 28 2025.

Kimi Chat was released by Moonshot AI on Oct 2023.

DeepSeek R1-0528 is an open weight model released by DeepSeek. Kimi Chat is a proprietary model released by Moonshot AI.

Other comparisons