DeepSeek-LLM vs GPT-5.4 nano
DeepSeek DeepSeek-LLM | OpenAI GPT-5.4 nano | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Nov 29 2023 | 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. | — | 14% |
| Timeline | ||
| Release gap | DeepSeek-LLM shipped 839 days before GPT-5.4 nano | |
Which is better: DeepSeek-LLM or GPT-5.4 nano?
DeepSeek-LLM and GPT-5.4 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek-LLM shipped 839 days before GPT-5.4 nano, so benchmark comparisons should account for the intervening progress.
DeepSeek-LLM is open weight, while GPT-5.4 nano is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek-LLM and GPT-5.4 nano don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek-LLM was released by DeepSeek on Nov 29 2023.
GPT-5.4 nano was released by OpenAI on Mar 17 2026.
DeepSeek-LLM is an open weight model released by DeepSeek. GPT-5.4 nano is a proprietary model released by OpenAI.
Other comparisons
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