DeepSeek V3 Base vs GPT-5.1-Codex-Max
DeepSeek DeepSeek V3 Base | OpenAI GPT-5.1-Codex-Max | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Dec 2024 | Nov 19 2025 |
| Access | Open Weight | Proprietary |
| Timeline | ||
| Release gap | DeepSeek V3 Base shipped 353 days before GPT-5.1-Codex-Max | |
Which is better: DeepSeek V3 Base or GPT-5.1-Codex-Max?
DeepSeek V3 Base 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 V3 Base shipped 353 days before GPT-5.1-Codex-Max, so benchmark comparisons should account for the intervening progress.
DeepSeek V3 Base is open weight, while GPT-5.1-Codex-Max is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek V3 Base and GPT-5.1-Codex-Max don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek V3 Base was released by DeepSeek on Dec 2024.
GPT-5.1-Codex-Max was released by OpenAI on Nov 19 2025.
DeepSeek V3 Base is an open weight model released by DeepSeek. GPT-5.1-Codex-Max is a proprietary model released by OpenAI.
Other comparisons
DeepSeek V3 Base vs Claude Sonnet 5GPT-5.1-Codex-Max vs Claude Sonnet 5DeepSeek V3 Base vs Gemini OmniGPT-5.1-Codex-Max vs Gemini OmniDeepSeek V3 Base vs Muse Spark 1.1GPT-5.1-Codex-Max vs Muse Spark 1.1DeepSeek V3 Base vs Grok 4.5GPT-5.1-Codex-Max vs Grok 4.5DeepSeek V3 Base vs Mistral Medium 3.5GPT-5.1-Codex-Max vs Mistral Medium 3.5DeepSeek V3 Base vs Kimi K2.7 CodeGPT-5.1-Codex-Max vs Kimi K2.7 Code