GPT-6.1 Terra (Xhigh) vs Inkling (Xhigh)
Which is better for the money: GPT-6.1 Terra (Xhigh) by OpenAI or Inkling (Xhigh) by Thinking Machines? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Clear winner
Verdict
Pick GPT-6.1 Terra (Xhigh)
Inkling (Xhigh) vs GPT-6.1 Terra (Xhigh): 44.9% less intelligence, 178.1% more cost to run the AA benchmark, and 15.7% faster end-to-end.
| Metric | GPT-6.1 Terra (Xhigh) | Inkling (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 45.4 | 25.0 | −44.9% Inkling (Xhigh) is 44.9% less intelligent |
| Total AA cost (lower is better) | $364.95 | $1,014.84 | +178.1% Inkling (Xhigh) is 2.8× more expensive |
| End-to-end time (lower is better) | 18.82s | 15.87s | −15.7% Inkling (Xhigh) is 15.7% 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 (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- Inkling (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GPT-6.1 Terra (Xhigh)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-xhigh/inkling · Markdown: /api/v1/compare/gpt-6-1-terra-xhigh/inkling?format=md · llms.txt · agent skill