GPT-5.6 Luna (High) vs Llama 4 Scout
Which is better for the money: GPT-5.6 Luna (High) by OpenAI or Llama 4 Scout by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Luna (High) scores 25.6 points higher (32.1 vs 6.5) but costs 1.5× as much to run the benchmark ($108 vs $73.6; both mid-range class). Pick GPT-5.6 Luna (High) when the extra intelligence is worth the premium, otherwise Llama 4 Scout.
| Metric | GPT-5.6 Luna (High) | Llama 4 Scout | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.1 | 6.5 | −79.8% Llama 4 Scout is 79.8% less intelligent |
| Total AA cost (lower is better) | $108.15 | $73.56 | −32.0% Llama 4 Scout is 32.0% cheaper |
| End-to-end time (lower is better) | 16.69s | 6.47s | −61.2% Llama 4 Scout is 61.2% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $0.18 / $0.66 | |
| Input modalities | Text, Image | Text, Image |
Llama 4 Scout vs GPT-5.6 Luna (High): 79.8% less intelligence, 32.0% less cost to run the AA benchmark, and 61.2% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (High) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (High) scores 37.80 for $94.1.
- Llama 4 Scout is off the frontier: at the same or lower cost, GPT-6 Luna (Xhigh) scores 34.60 for $66.8.
GPT-5.6 Luna (High)Llama 4 ScoutToday'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-luna-high/llama-4-scout · Markdown: /api/v1/compare/gpt-5-6-luna-high/llama-4-scout?format=md · llms.txt · agent skill