OpenRouter · Vercel · CC BY 4.0
Arena · CC BY 4.0
| Muse Spark 1.1 | Claude Opus 5 | |
|---|---|---|
| Performance score | 1492 pts (#9) | 1491 pts (#10) |
| Usage · 7 days | Outside usage top 20 | Outside usage top 20 |
| Output price | $4.25 per 1M tokens | $25 per 1M tokens |
| Input price | $1.25 per 1M tokens | $5 per 1M tokens |
| Context length | 1.05M tokens | 1M tokens |
| Released | Jul 16, 2026 | Jul 24, 2026 |
Source: OpenRouter (usage Sep 25 – Oct 1 · prices), Arena (performance · quality) · CC BY 4.0. Prices are converted at fixed exchange rates.