GPT-6.1 Terra (High) vs Inkling (Xhigh)
Which is better for the money: GPT-6.1 Terra (High) 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 (High)
Inkling (Xhigh) vs GPT-6.1 Terra (High): 43.1% less intelligence, 325.5% more cost to run the AA benchmark, and 42.2% slower end-to-end.
| Metric | GPT-6.1 Terra (High) | Inkling (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 43.9 | 25.0 | −43.1% Inkling (Xhigh) is 43.1% less intelligent |
| Total AA cost (lower is better) | $238.53 | $1,014.84 | +325.5% Inkling (Xhigh) is 4.3× more expensive |
| End-to-end time (lower is better) | 11.16s | 15.87s | +42.2% Inkling (Xhigh) is 42.2% slower |
| 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 (High) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- 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 (High)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-high/inkling · Markdown: /api/v1/compare/gpt-6-1-terra-high/inkling?format=md · llms.txt · agent skill