GPT-5.6 Luna (High) vs Inkling Small
Which is better for the money: GPT-5.6 Luna (High) by OpenAI or Inkling Small by Thinking Machines? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-5.6 Luna (High)
Inkling Small vs GPT-5.6 Luna (High): 19.9% less intelligence, 122.7% more cost to run the AA benchmark, and 5.0% slower end-to-end.
| Metric | GPT-5.6 Luna (High) | Inkling Small | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.1 | 25.7 | −19.9% Inkling Small is 19.9% less intelligent |
| Total AA cost (lower is better) | $108.15 | $240.85 | +122.7% Inkling Small is 2.2× more expensive |
| End-to-end time (lower is better) | 12.33s | 12.95s | +5.0% Inkling Small is 5.0% slower |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $0.30 / $1.20 | |
| Input modalities | Text, Image | Text, Image, Speech |
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.
- Inkling Small is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-5.6 Luna (High)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-5-6-luna-high/inkling-small · Markdown: /api/v1/compare/gpt-5-6-luna-high/inkling-small?format=md · llms.txt · agent skill