GPT-6.1 Sol (Medium) vs Muse Spark Open (Xhigh)
Which is better for the money: GPT-6.1 Sol (Medium) by OpenAI or Muse Spark Open (Xhigh) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick GPT-6.1 Sol (Medium)
Muse Spark Open (Xhigh) vs GPT-6.1 Sol (Medium): 18.6% less intelligence, 227.9% more cost to run the AA benchmark, and 24.9% slower end-to-end.
| Metric | GPT-6.1 Sol (Medium) | Muse Spark Open (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 47.8 | 38.9 | −18.6% Muse Spark Open (Xhig… is 18.6% less intelligent |
| Total AA cost (lower is better) | $361.37 | $1,184.90 | +227.9% Muse Spark Open (Xhig… is 3.3× more expensive |
| End-to-end time (lower is better) | 13.88s | 17.34s | +24.9% Muse Spark Open (Xhig… is 24.9% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Today's Pareto frontier
Against the frontier
- GPT-6.1 Sol (Medium) is on today's frontier: nothing is both smarter and cheaper.
- Muse Spark Open (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-6.1 Sol (Medium)Muse Spark Open (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
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