DeepSeek Coder vs o3
DeepSeek DeepSeek Coder | OpenAI o3 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Nov 2 2023 | Apr 16 2025 |
| 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. | — | 26% |
| Timeline | ||
| Release gap | DeepSeek Coder shipped 531 days before o3 | |
Which is better: DeepSeek Coder or o3?
DeepSeek Coder and o3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek Coder shipped 531 days before o3, so benchmark comparisons should account for the intervening progress.
DeepSeek Coder is open weight, while o3 is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek Coder and o3 don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek Coder was released by DeepSeek on Nov 2 2023.
o3 was released by OpenAI on Apr 16 2025.
DeepSeek Coder is an open weight model released by DeepSeek. o3 is a proprietary model released by OpenAI.
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