DeepSeek-R1-Lite Preview vs GPT-5.1-Codex-Max
DeepSeek DeepSeek-R1-Lite Preview | OpenAI GPT-5.1-Codex-Max | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Nov 20 2024 | Nov 19 2025 |
| Access | Open Weight | Proprietary |
| Timeline | ||
| Release gap | DeepSeek-R1-Lite Preview shipped 364 days before GPT-5.1-Codex-Max | |
Which is better: DeepSeek-R1-Lite Preview or GPT-5.1-Codex-Max?
DeepSeek-R1-Lite Preview and GPT-5.1-Codex-Max don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek-R1-Lite Preview shipped 364 days before GPT-5.1-Codex-Max, so benchmark comparisons should account for the intervening progress.
DeepSeek-R1-Lite Preview is open weight, while GPT-5.1-Codex-Max is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek-R1-Lite Preview and GPT-5.1-Codex-Max don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek-R1-Lite Preview was released by DeepSeek on Nov 20 2024.
GPT-5.1-Codex-Max was released by OpenAI on Nov 19 2025.
DeepSeek-R1-Lite Preview is an open weight model released by DeepSeek. GPT-5.1-Codex-Max is a proprietary model released by OpenAI.