DeepSeek Coder V2 vs GPT-5.4 mini
DeepSeek DeepSeek Coder V2 | OpenAI GPT-5.4 mini | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Jun 2024 | 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. | — | 32% |
| Timeline | ||
| Release gap | DeepSeek Coder V2 shipped 654 days before GPT-5.4 mini | |
Which is better: DeepSeek Coder V2 or GPT-5.4 mini?
DeepSeek Coder V2 and GPT-5.4 mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek Coder V2 shipped 654 days before GPT-5.4 mini, so benchmark comparisons should account for the intervening progress.
DeepSeek Coder V2 is open weight, while GPT-5.4 mini is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek Coder V2 and GPT-5.4 mini don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek Coder V2 was released by DeepSeek on Jun 2024.
GPT-5.4 mini was released by OpenAI on Mar 17 2026.
DeepSeek Coder V2 is an open weight model released by DeepSeek. GPT-5.4 mini is a proprietary model released by OpenAI.
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