0 vs 1 benchmarks won
DeepSeek DeepSeek-V4-Pro | OpenAI GPT-5.4-Pro | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Apr 24 2026 | Mar 5 2026 |
| Model type | — | — |
| Open source | Yes | No |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
Science reasoning GPQA Diamond | 90.1% | 94.4% |
Software engineering SWE-Bench Verified | — | — |
Multimodal understanding MMMU | — | — |
| Timeline | ||
| Release gap | GPT-5.4-Pro shipped 50 days before DeepSeek-V4-Pro | |
GPT-5.4-Pro leads DeepSeek-V4-Pro on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). GPT-5.4-Pro shipped 50 days before DeepSeek-V4-Pro, so benchmark comparisons should account for the intervening progress.
DeepSeek-V4-Pro is an open-source / open-weight model; GPT-5.4-Pro is proprietary.
On GPQA Diamond, GPT-5.4-Pro scores 94.4%, 4.3 points above DeepSeek-V4-Pro at 90.1%.