DeepSeek DeepSeek-R1-Lite Preview vs OpenAI GPT-5 — side-by-side specs.
DeepSeek DeepSeek-R1-Lite Preview | OpenAI GPT-5 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Nov 20 2024 | Aug 7 2025 |
| Model type | — | — |
| Open source | Yes | No |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
| Timeline | ||
| Release gap | DeepSeek-R1-Lite Preview shipped 260 days before GPT-5 | |
DeepSeek-R1-Lite Preview and GPT-5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek-R1-Lite Preview shipped 260 days before GPT-5, so benchmark comparisons should account for the intervening progress.
DeepSeek-R1-Lite Preview is an open-source / open-weight model; GPT-5 is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek-R1-Lite Preview and GPT-5 don't publish scores on any of the same benchmarks.