GPT-6.1 Sol (Xhigh) vs Inkling Small
Which is better for the money: GPT-6.1 Sol (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.
Trade-off
Verdict
Depends on your budget
GPT-6.1 Sol (Xhigh) scores 25.3 points higher (51.0 vs 25.7) but costs 2.7× as much to run the benchmark ($662 vs $241; premium vs mid-range cost classes). Pick GPT-6.1 Sol (Xhigh) when the extra intelligence is worth the premium, otherwise Inkling Small.
| Metric | GPT-6.1 Sol (Xhigh) | Inkling Small | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 51.0 | 25.7 | −49.6% Inkling Small is 49.6% less intelligent |
| Total AA cost (lower is better) | $662.28 | $240.85 | −63.6% Inkling Small is 63.6% cheaper |
| End-to-end time (lower is better) | 86.31s | 12.67s | −85.3% Inkling Small is 85.3% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $0.30 / $1.20 | |
| Input modalities | Text, Image | Text, Image, Speech |
Inkling Small vs GPT-6.1 Sol (Xhigh): 49.6% less intelligence, 63.6% less cost to run the AA benchmark, and 85.3% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6.1 Sol (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-6.1 Sol (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-6-1-sol-xhigh/inkling-small · Markdown: /api/v1/compare/gpt-6-1-sol-xhigh/inkling-small?format=md · llms.txt · agent skill