Pyyan / Compare / gpt-oss-20b vs MiMo-V2.6-Flash
gpt-oss-20b vs MiMo-V2.6-Flash
2 of 5Open-Weight Models · verified 29 Sept 2026
gpt-oss-20bOpenAIcurrentXMiMo-V2.6-FlashXiaomicurrent
| Specification | gpt-oss-20b | MiMo-V2.6-Flash |
|---|---|---|
| Summary | Smaller open-weight release. | The small one, and still multimodal. |
| Context | — | 1M |
| Input ($/Mtok) | — | Weights only |
| Output ($/Mtok) | — | Weights only |
| Licence | Open weights | MIT |
| Max output | — | Not published |
| Parameters | 20B | 309B total, 15B active |
| Released | Aug 2025 | 21 Sep 2026 |
| Model ID | — | XiaomiMiMo/MiMo-V2.6-Flash |
| Category | Open-Weight Models | Open-Weight Models |
| Official | OpenAI ↗ | Xiaomi ↗ |
Highlighted rows are where these differ.
MiMo-V2.6-Flash
- 309B total parameters, 15B active per token
- Same 1M context and five layer speculative decoder as Pro
- MIT licence, weights on Hugging Face
Best for multimodal work on your own cluster.