GPT-6 Luna (Xhigh) vs Inkling 2 Small
Which is better for the money: GPT-6 Luna (Xhigh) by OpenAI or Inkling 2 Small by Thinking Machines? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-06.
Trade-off
Verdict
Depends on your budget
Inkling 2 Small scores 7.1 points higher (30.6 vs 23.5) but costs 9.2× as much to run the benchmark ($792 vs $85.7; premium vs mid-range cost classes). They are not alternatives at one budget: pick Inkling 2 Small when you need intelligence above 23.5, and GPT-6 Luna (Xhigh) when 23.5 is enough.
| Metric | GPT-6 Luna (Xhigh) | Inkling 2 Small | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 23.5 | 30.6 | +30.2% Inkling 2 Small is 30.2% more intelligent |
| Total AA cost (lower is better) | $85.74 | $791.81 | +823.5% Inkling 2 Small is 9.2× more expensive |
| End-to-end time (lower is better) | 36.66s | 20.92s | −42.9% Inkling 2 Small is 42.9% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.30 / $1.00 | |
| Input modalities | Text, Image | Text, Image |
Inkling 2 Small vs GPT-6 Luna (Xhigh): 30.2% more intelligence, 823.5% more cost to run the AA benchmark, and 42.9% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (Xhigh) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Medium) scores 24.60 for $72.7.
- Inkling 2 Small is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 52.50 for $718.
GPT-6 Luna (Xhigh)Inkling 2 SmallToday's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-6-luna-xhigh/inkling-2-small · Markdown: /api/v1/compare/gpt-6-luna-xhigh/inkling-2-small?format=md · llms.txt · agent skill