Compare, 2 models
Side by side.
Muse Spark Open and GPT-5.5 on every board at least two of them share. Blue marks the best in each row.
Specs
List prices, context and published output speed. Blue marks the best in each row.
| Spec | Muse Spark OpenMeta | GPT-5.5OpenAI |
|---|---|---|
| Lab | Meta | OpenAI |
| Type | Language | Language |
| Released | Oct 15, 2026 | Apr 23, 2026 |
| Input price$ per 1M tokens | $1.25 | $5.00 |
| Output price$ per 1M tokens | $4.25 | $30.00 |
| Blended price3 input tokens per output | $2.00 | $11.25 |
| Open weights | No | No |
| Output speedTok / s | 140 | n/a |
Benchmarks
Every board where at least two of these models have a published score. Each score links to its source.
| Board | Muse Spark OpenMeta | GPT-5.5OpenAI |
|---|---|---|
| Artificial Analysis Intelligence IndexOverall, higher is better | 39Xhigh | 38Xhigh |
n/a means the board has not published a score for that model.