DeepSeek-V3.2 vs GPT-5.4 mini
DeepSeek DeepSeek-V3.2 | OpenAI GPT-5.4 mini | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Dec 1 2025 | Mar 17 2026 |
| Access | Open Weight | Proprietary |
| Specifications | ||
Context window | — | 400k |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 13% | 32%Best |
| Timeline | ||
| Release gap | DeepSeek-V3.2 shipped 106 days before GPT-5.4 mini | |
Which is better: DeepSeek-V3.2 or GPT-5.4 mini?
GPT-5.4 mini leads DeepSeek-V3.2 on 1 of the 1 benchmark they both report (BullshitBench v2). DeepSeek-V3.2 shipped 106 days before GPT-5.4 mini, so benchmark comparisons should account for the intervening progress.
DeepSeek-V3.2 is open weight, while GPT-5.4 mini is proprietary.
On BullshitBench v2, GPT-5.4 mini leads at 32% vs DeepSeek-V3.2 at 13%.
Frequently asked questions
DeepSeek-V3.2 was released by DeepSeek on Dec 1 2025.
GPT-5.4 mini was released by OpenAI on Mar 17 2026.
DeepSeek-V3.2 is an open weight model released by DeepSeek. GPT-5.4 mini is a proprietary model released by OpenAI.
Other comparisons
DeepSeek-V3.2 vs Claude Sonnet 5GPT-5.4 mini vs Claude Sonnet 5DeepSeek-V3.2 vs Gemini 3.5 FlashGPT-5.4 mini vs Gemini 3.5 FlashDeepSeek-V3.2 vs Muse Spark 1.1GPT-5.4 mini vs Muse Spark 1.1DeepSeek-V3.2 vs Grok 4.5GPT-5.4 mini vs Grok 4.5DeepSeek-V3.2 vs Mistral Medium 3.5GPT-5.4 mini vs Mistral Medium 3.5DeepSeek-V3.2 vs Kimi K2.7 CodeGPT-5.4 mini vs Kimi K2.7 Code