DeepSeek-V4-Pro-0813vsgpt-oss-20b
DeepSeek-V4-Pro-0813 | gpt-oss-20b | |
|---|---|---|
| Specifications | ||
Parameters | — | 21B |
Context window | — | 128k |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | — | 60.7% |
Agentic terminal coding Terminal-Bench 2.1Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better. | 87.9% | — |
Personal tool use Toolathlon-VerifiedTests how well the AI uses everyday personal tools and apps to get things done — a human-checked version of Toolathlon. Higher is better. | 74.1% | — |
Cybersecurity CyberGymTests the AI on cybersecurity challenges — finding and exploiting software weaknesses inside a safe sandbox. Higher is better. | 83.3% | — |
Multidisciplinary reasoning Humanity's Last Exam · no toolsHumanity's Last Exam — extremely hard expert questions across many subjects, written so you can't just look up the answer. “No tools” means the AI answers on its own. Higher is better. | 42.7%Best | 10.9% |
Multidisciplinary reasoning Humanity's Last Exam · with toolsHumanity's Last Exam — extremely hard expert questions across many subjects. “With tools” means the AI is allowed to search the web or run code while answering. Higher is better. | 60%Best | 17.3% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | — | 71.5% |
General knowledge MMLUA 57-subject multiple-choice exam — history, law, medicine, maths — that was the standard measure of how much a model knows from 2020 until roughly 2024, when frontier scores crowded into the high 80s and labs moved on to harder tests. The scores here were published years apart under different testing setups, so read them as a historical record rather than a like-for-like ranking. Higher is better. | — | 85.3% |
Business workflows AutomationBenchTests whether the AI can run real multi-step business workflows — the kind of end-to-end office processes companies want to automate — from start to finish. Higher is better. | 31.8% | — |
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Aug 13 2026 | Aug 5 2025 |
| Access | Proprietary | Open Weight |
Which is better: DeepSeek-V4-Pro-0813 or gpt-oss-20b?
DeepSeek-V4-Pro-0813 leads gpt-oss-20b on 2 of the 2 benchmarks they both report (Humanity's Last Exam). gpt-oss-20b shipped 373 days before DeepSeek-V4-Pro-0813, so benchmark comparisons should account for the intervening progress.
DeepSeek-V4-Pro-0813 is proprietary, while gpt-oss-20b is open weight.
On Humanity's Last Exam · no tools, DeepSeek-V4-Pro-0813 leads at 42.7% vs gpt-oss-20b at 10.9%. On Humanity's Last Exam · with tools, DeepSeek-V4-Pro-0813 leads at 60% vs gpt-oss-20b at 17.3%.
Frequently asked questions
DeepSeek-V4-Pro-0813 was released by DeepSeek on Aug 13 2026.
gpt-oss-20b was released by OpenAI on Aug 5 2025.
DeepSeek-V4-Pro-0813 leads on Humanity's Last Exam · no tools — DeepSeek-V4-Pro-0813 42.7% vs gpt-oss-20b 10.9%.
DeepSeek-V4-Pro-0813 is a proprietary model released by DeepSeek. gpt-oss-20b is an open weight model released by OpenAI.