DeepSeek DeepSeek-R1-Lite Preview vs DeepSeek DeepSeek-V4-Flash — side-by-side specs.
DeepSeek DeepSeek-R1-Lite Preview | DeepSeek DeepSeek-V4-Flash | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | DeepSeek |
| Release date | Nov 20 2024 | Apr 24 2026 |
| Model type | — | — |
| Open source | Yes | Yes |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | — | 88.1% |
| Timeline | ||
| Release gap | DeepSeek-R1-Lite Preview shipped 520 days before DeepSeek-V4-Flash | |
DeepSeek-R1-Lite Preview and DeepSeek-V4-Flash don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. 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 — DeepSeek-R1-Lite Preview and DeepSeek-V4-Flash don't publish scores on any of the same benchmarks.