In short
How they differ.
Worked out from the figures below. Prices and specs are the makers' own, read Oct 20, 2026.
- Muse Spark Open reads more at once: a context window of 1M tokens against 262K.
- Both can be downloaded and run on your own machine.
- No independent board we follow ranks both models yet.
Side by side
The specs.
| Muse Spark Open | Qwen3.8-27B | |
|---|---|---|
| Made by | Meta · US | Alibaba (Qwen) · China |
| Released | Oct 15, 2026 | Aug 5, 2026 |
| Price per 1M tokens | Free to download; hosts set prices | Free to download; hosts set prices |
| Context window | 1M | 262K |
| Takes in | text, image, video, audio | text, image, video |
| Download and run it yourself | Yes (Muse Model License) | Yes (Apache 2.0) |
| Size | 816B parameters, 42B active | 27B (dense) parameters |
| Maker says | “The most capable US open-weight model to date. Build your way, anywhere.” | “a native vision-language model that understands images and videos, with flexible thinking control” |
| Sources | Prices, Oct 20, 2026 · Description | Prices, Oct 20, 2026 · Description |
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