Head to head
Qwen 3 30B-A3B vs gpt-oss 20B
Side-by-side specs, benchmarks, and a verdict by use case.
| Spec | Qwen 3 30B-A3B | gpt-oss 20B |
|---|---|---|
| Parameters | 30B | 21B |
| Author | Alibaba | OpenAI |
| License | Apache 2.0 | Apache 2.0 |
| Context window | 0k | 0k |
| VRAM at Q4 | 19 GB | 13 GB |
| VRAM at Q5 | 23 GB | 16 GB |
| VRAM at Q8 | 35 GB | 23 GB |
| VRAM at FP16 | 62 GB | 42 GB |
| Use cases | chat, general, reasoning, multilingual, moe | chat, general, reasoning, moe, small |
Verdict
Both models sit in a similar size class. The pick depends on tags, license, and benchmarks rather than raw parameter count.