GPT-6 Luna (Xhigh) vs Inkling Small
Which is better for the money: GPT-6 Luna (Xhigh) by OpenAI or Inkling Small by Thinking Machines? 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 (Xhigh)
Inkling Small vs GPT-6 Luna (Xhigh): 25.7% less intelligence, 260.5% more cost to run the AA benchmark, and 40.4% faster end-to-end.
| Metric | GPT-6 Luna (Xhigh) | Inkling Small | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.6 | 25.7 | −25.7% Inkling Small is 25.7% less intelligent |
| Total AA cost (lower is better) | $66.81 | $240.85 | +260.5% Inkling Small is 3.6× more expensive |
| End-to-end time (lower is better) | 21.27s | 12.67s | −40.4% Inkling Small is 40.4% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.30 / $1.20 | |
| Input modalities | Text, Image | Text, Image, Speech |
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
- Inkling Small is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-6 Luna (Xhigh)Inkling SmallToday'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-xhigh/inkling-small · Markdown: /api/v1/compare/gpt-6-luna-xhigh/inkling-small?format=md · llms.txt · agent skill