GPT-6.1 Terra (Max) vs Inkling (Xhigh)
Which is better for the money: GPT-6.1 Terra (Max) by OpenAI or Inkling (Xhigh) by Thinking Machines? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-28.
Clear winner
Verdict
Pick GPT-6.1 Terra (Max)
Inkling (Xhigh) vs GPT-6.1 Terra (Max): 75.5% less intelligence, 27.2% more cost to run the AA benchmark, and 93.2% faster end-to-end.
| Metric | GPT-6.1 Terra (Max) | Inkling (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 51.0 | 12.5 | −75.5% Inkling (Xhigh) is 75.5% less intelligent |
| Total AA cost (lower is better) | $972.34 | $1,236.66 | +27.2% Inkling (Xhigh) is 27.2% more expensive |
| End-to-end time (lower is better) | 194.83s | 13.20s | −93.2% Inkling (Xhigh) is 93.2% faster |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $1.00 / $4.05 | |
| Input modalities | Text, Image | Text, Image, Speech |
Today's Pareto frontier
Against the frontier
- GPT-6.1 Terra (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 52.30 for $718.
- Inkling (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 54.50 for $1124.
GPT-6.1 Terra (Max)Inkling (Xhigh)Today'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-terra/inkling · Markdown: /api/v1/compare/gpt-6-1-terra/inkling?format=md · llms.txt · agent skill