GPT-5.6 Terra (Medium) vs Muse Glimmer (High)
Which is better for the money: GPT-5.6 Terra (Medium) by OpenAI or Muse Glimmer (High) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Terra (Medium) scores 12.6 points higher (30.1 vs 17.5) but costs 3.1× as much to run the benchmark ($447 vs $146; both mid-range class). They are not alternatives at one budget: pick GPT-5.6 Terra (Medium) when you need intelligence above 17.5, and Muse Glimmer (High) when 17.5 is enough.
| Metric | GPT-5.6 Terra (Medium) | Muse Glimmer (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 30.1 | 17.5 | −41.9% Muse Glimmer (High) is 41.9% less intelligent |
| Total AA cost (lower is better) | $446.53 | $145.77 | −67.4% Muse Glimmer (High) is 67.4% cheaper |
| End-to-end time (lower is better) | 6.06s | 25.20s | +315.8% Muse Glimmer (High) is 315.8% slower |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $0.30 / $1.20 | |
| Input modalities | Text, Image | Text, Image |
Muse Glimmer (High) vs GPT-5.6 Terra (Medium): 41.9% less intelligence, 67.4% less cost to run the AA benchmark, and 315.8% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Terra (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- Muse Glimmer (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
GPT-5.6 Terra (Medium)Muse Glimmer (High)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-6-terra-medium/muse-glimmer · Markdown: /api/v1/compare/gpt-5-6-terra-medium/muse-glimmer?format=md · llms.txt · agent skill