gpt-oss-20b (High) vs Muse Spark 1.2 (Xhigh)
Which is better for the money: gpt-oss-20b (High) by OpenAI or Muse Spark 1.2 (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
Muse Spark 1.2 (Xhigh) scores 30.6 points higher (39.6 vs 9.0) but costs 48× as much to run the benchmark ($1385 vs $28.8; premium vs budget cost classes). They are not alternatives at one budget: pick Muse Spark 1.2 (Xhigh) when you need intelligence above 9.0, and gpt-oss-20b (High) when 9.0 is enough.
| Metric | gpt-oss-20b (High) | Muse Spark 1.2 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 9.0 | 39.6 | +340.0% Muse Spark 1.2 (Xhigh) is 4.4× more intelligent |
| Total AA cost (lower is better) | $28.81 | $1,385.40 | +4708.7% Muse Spark 1.2 (Xhigh) is 48× more expensive |
| End-to-end time (lower is better) | 15.23s | 20.60s | +35.3% Muse Spark 1.2 (Xhigh) is 35.3% slower |
| Price per 1M tokens (in / out) | $0.05 / $0.22 | $1.25 / $4.25 | |
| Input modalities | Text | Text, Image, Speech, Video |
Muse Spark 1.2 (Xhigh) vs gpt-oss-20b (High): 340.0% more intelligence, 4708.7% more cost to run the AA benchmark, and 35.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- gpt-oss-20b (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
- Muse Spark 1.2 (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
gpt-oss-20b (High)Muse Spark 1.2 (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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