GPT-6 Luna (Medium) vs Beam 1.0
Which is better for the money: GPT-6 Luna (Medium) by OpenAI or Beam 1.0 by Reflection? 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
Beam 1.0 scores 0.4 points higher (30.3 vs 29.9) but costs 10× as much to run the benchmark ($319 vs $31.2; mid-range vs budget cost classes). They are not alternatives at one budget: pick Beam 1.0 when you need intelligence above 29.9, and GPT-6 Luna (Medium) when 29.9 is enough.
| Metric | GPT-6 Luna (Medium) | Beam 1.0 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.9 | 30.3 | +1.3% Beam 1.0 is 1.3% more intelligent |
| Total AA cost (lower is better) | $31.17 | $318.73 | +922.6% Beam 1.0 is 10× more expensive |
| End-to-end time (lower is better) | 8.25s | 7.79s | −5.6% Beam 1.0 is 5.6% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.40 / $1.20 | |
| Input modalities | Text, Image | Text |
Beam 1.0 vs GPT-6 Luna (Medium): 1.3% more intelligence, 922.6% more cost to run the AA benchmark, and 5.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (Medium) is on today's frontier: nothing is both smarter and cheaper.
- Beam 1.0 is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-6 Luna (Medium)Beam 1.0Today'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-6-luna-medium/reflection-beam · Markdown: /api/v1/compare/gpt-6-luna-medium/reflection-beam?format=md · llms.txt · agent skill