Muse Spark 1.3 Contributor is the newer model, released after Sherlock Think Alpha.
| Spec | Muse Spark 1.3 Contributor | Sherlock Think Alpha |
|---|---|---|
| Input price | $0.1/M tokens | — |
| Output price | $0.2/M tokens | — |
| Context window | 1.0M tokens | — |
| Weights | Closed | — |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Nov 2025 |
Not enough votes to call it. On the specs, nothing separates them.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Sherlock Think Alpha uses 7.5x more emoji