GPT-6 Astra (Xhigh) vs Muse Spark Open (Xhigh)
Which is better for the money: GPT-6 Astra (Xhigh) 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.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (Xhigh) scores 13.5 points higher (52.4 vs 38.9) but costs 3.2× as much to run the benchmark ($3803 vs $1185; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-6 Astra (Xhigh) when you need intelligence above 38.9, and Muse Spark Open (Xhigh) when 38.9 is enough.
| Metric | GPT-6 Astra (Xhigh) | Muse Spark Open (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 52.4 | 38.9 | −25.8% Muse Spark Open (Xhig… is 25.8% less intelligent |
| Total AA cost (lower is better) | $3,802.98 | $1,184.90 | −68.8% Muse Spark Open (Xhig… is 68.8% cheaper |
| End-to-end time (lower is better) | 158.64s | 16.47s | −89.6% Muse Spark Open (Xhig… is 89.6% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Muse Spark Open (Xhigh) vs GPT-6 Astra (Xhigh): 25.8% less intelligence, 68.8% less cost to run the AA benchmark, and 89.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (Xhigh) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- 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 Astra (Xhigh)Muse Spark Open (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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