GPT-6 Luna (Medium) vs Nemotron 3.5 Lightning
Which is better for the money: GPT-6 Luna (Medium) by OpenAI or Nemotron 3.5 Lightning by NVIDIA? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick GPT-6 Luna (Medium)
Nemotron 3.5 Lightning vs GPT-6 Luna (Medium): 56.9% less intelligence, 197.6% more cost to run the AA benchmark, and 11.0% slower end-to-end.
| Metric | GPT-6 Luna (Medium) | Nemotron 3.5 Lightning | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.9 | 12.9 | −56.9% Nemotron 3.5 Lightning is 56.9% less intelligent |
| Total AA cost (lower is better) | $31.17 | $92.76 | +197.6% Nemotron 3.5 Lightning is 3.0× more expensive |
| End-to-end time (lower is better) | 8.25s | 9.16s | +11.0% Nemotron 3.5 Lightning is 11.0% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.06 / $0.20 | |
| Input modalities | Text, Image | Text |
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (Medium) is on today's frontier: nothing is both smarter and cheaper.
- Nemotron 3.5 Lightning is off the frontier: at the same or lower cost, GPT-6 Luna (Xhigh) scores 34.60 for $66.8.
GPT-6 Luna (Medium)Nemotron 3.5 LightningToday'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/nemotron-3-5-lightning · Markdown: /api/v1/compare/gpt-6-luna-medium/nemotron-3-5-lightning?format=md · llms.txt · agent skill