DeepSeek-V3.2 vs GPT-5.4 nano
DeepSeek DeepSeek-V3.2 | OpenAI GPT-5.4 nano | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Dec 1 2025 | Mar 17 2026 |
| Access | Open Weight | Proprietary |
| 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% | 14%Best |
| Timeline | ||
| Release gap | DeepSeek-V3.2 shipped 106 days before GPT-5.4 nano | |
Which is better: DeepSeek-V3.2 or GPT-5.4 nano?
GPT-5.4 nano 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 nano, so benchmark comparisons should account for the intervening progress.
DeepSeek-V3.2 is open weight, while GPT-5.4 nano is proprietary.
On BullshitBench v2, GPT-5.4 nano leads at 14% vs DeepSeek-V3.2 at 13%.
Frequently asked questions
DeepSeek-V3.2 was released by DeepSeek on Dec 1 2025.
GPT-5.4 nano was released by OpenAI on Mar 17 2026.
DeepSeek-V3.2 is an open weight model released by DeepSeek. GPT-5.4 nano is a proprietary model released by OpenAI.
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