DeepSeek-R1-Lite Preview vs GPT-5-Codex-Mini
DeepSeek DeepSeek-R1-Lite Preview | OpenAI GPT-5-Codex-Mini | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Nov 20 2024 | Nov 8 2025 |
| Access | Open Weight | Proprietary |
| Timeline | ||
| Release gap | DeepSeek-R1-Lite Preview shipped 353 days before GPT-5-Codex-Mini | |
Which is better: DeepSeek-R1-Lite Preview or GPT-5-Codex-Mini?
DeepSeek-R1-Lite Preview and GPT-5-Codex-Mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek-R1-Lite Preview shipped 353 days before GPT-5-Codex-Mini, so benchmark comparisons should account for the intervening progress.
DeepSeek-R1-Lite Preview is open weight, while GPT-5-Codex-Mini is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek-R1-Lite Preview and GPT-5-Codex-Mini 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-Codex-Mini was released by OpenAI on Nov 8 2025.
DeepSeek-R1-Lite Preview is an open weight model released by DeepSeek. GPT-5-Codex-Mini is a proprietary model released by OpenAI.