Muse Spark 1.3 has a larger context window than Optimus Alpha (1.0M tokens vs 1.0M tokens).
| Spec | Muse Spark 1.3 | Optimus Alpha |
|---|---|---|
| Input price | $1.25/M tokens | — |
| Output price | $4.25/M tokens | — |
| Context window | 1.0M tokens | 1.0M tokens |
| Released | Sep 2026 | Apr 2025 |
Not enough votes to call it. On the specs, Muse Spark 1.3 has the edge: newer, major provider backing.
Optimus Alpha uses 15.1x more transitions
Muse Spark 1.3 has a larger context window than Optimus Alpha (1.0M tokens vs 1.0M tokens).
| Spec | Muse Spark 1.3 | Optimus Alpha |
|---|---|---|
| Input price | $1.25/M tokens | — |
| Output price | $4.25/M tokens | — |
| Context window | 1.0M tokens | 1.0M tokens |
| Released | Sep 2026 | Apr 2025 |
Not enough votes to call it. On the specs, Muse Spark 1.3 has the edge: newer, major provider backing.
Optimus Alpha uses 15.1x more transitions