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

Home/Compare/DeepSeek-R1-Lite Preview vs DeepSeek-V4-Flash

DeepSeek-R1-Lite Preview vs DeepSeek-V4-Flash

0 vs 1 benchmarks won

DeepSeek
DeepSeek-R1-Lite Preview
DeepSeek
DeepSeek-V4-Flash
Overview
CompanyDeepSeekDeepSeek
Release dateNov 20 2024Apr 24 2026
Model type
Open sourceYesYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
88.1%
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek-R1-Lite Preview shipped 520 days before DeepSeek-V4-Flash

Which is better: DeepSeek-R1-Lite Preview or DeepSeek-V4-Flash?

DeepSeek-V4-Flash leads DeepSeek-R1-Lite Preview on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek-R1-Lite Preview shipped 520 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.

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-Lite Preview released?
DeepSeek-R1-Lite Preview was released by DeepSeek on Nov 20 2024.
When was DeepSeek-V4-Flash released?
DeepSeek-V4-Flash was released by DeepSeek on Apr 24 2026.

Other comparisons