When was DeepSeek-V4-Flash released?

DeepSeek-V4-Flash was released by DeepSeek on Apr 24 2026.

When was Kimi K2.5 released?

Kimi K2.5 was released by Moonshot AI on Jan 27 2026.

Which is better on GPQA Diamond, DeepSeek-V4-Flash or Kimi K2.5?

DeepSeek-V4-Flash scores higher on GPQA Diamond — DeepSeek-V4-Flash 88.1% vs Kimi K2.5 87.6%.

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DeepSeek-V4-Pro

Apr 24 2026

Home/Compare/DeepSeek-V4-Flash vs Kimi K2.5

DeepSeek-V4-Flash vs Kimi K2.5

1 vs 1 benchmarks won

	DeepSeek DeepSeek-V4-Flash	Moonshot AI Kimi K2.5
Overview
Company	DeepSeek	Moonshot AI
Release date	Apr 24 2026	Jan 27 2026
Model type	—	—
Open source	Yes	Yes
Specifications
Parameters	—	1T
Context window	—	256k
Benchmarks
Science reasoning GPQA Diamond	88.1%	87.6%
Software engineering SWE-Bench Verified	—	76.8%
Multimodal understanding MMMU	—	—
Timeline
Release gap	Kimi K2.5 shipped 87 days before DeepSeek-V4-Flash

Which is better: DeepSeek-V4-Flash or Kimi K2.5?

DeepSeek-V4-Flash and Kimi K2.5 are evenly matched across the benchmarks they both publish. Kimi K2.5 shipped 87 days before DeepSeek-V4-Flash, 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.

On GPQA Diamond, DeepSeek-V4-Flash scores 88.1%, 0.5 points above Kimi K2.5 at 87.6%.

Frequently asked questions

When was DeepSeek-V4-Flash released?: DeepSeek-V4-Flash was released by DeepSeek on Apr 24 2026.
When was Kimi K2.5 released?: Kimi K2.5 was released by Moonshot AI on Jan 27 2026.
Which is better on GPQA Diamond, DeepSeek-V4-Flash or Kimi K2.5?: DeepSeek-V4-Flash scores higher on GPQA Diamond — DeepSeek-V4-Flash 88.1% vs Kimi K2.5 87.6%.