OpenRouter · Vercel · CC BY 4.0
Arena · CC BY 4.0
| Muse Spark 1.3 | Muse Spark 1.2 | |
|---|---|---|
| Performance score | 1495 pts (#6) | 1494 pts (#7) |
| Usage · 7 days | Outside usage top 20 | Outside usage top 20 |
| Output price | $4.25 per 1M tokens | $4.25 per 1M tokens |
| Input price | $1.25 per 1M tokens | $1.25 per 1M tokens |
| Context length | 1.05M tokens | 1.05M tokens |
| Released | Sep 2, 2026 | Aug 5, 2026 |
Source: OpenRouter (usage Sep 25 – Oct 1 · prices), Arena (performance · quality) · CC BY 4.0. Prices are converted at fixed exchange rates.