GPT-6.1 Terra (Xhigh) vs Inkling 2 Small
Which is better for the money: GPT-6.1 Terra (Xhigh) by OpenAI or Inkling 2 Small by Thinking Machines? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-06.
Clear winner
Verdict
Pick GPT-6.1 Terra (Xhigh)
Inkling 2 Small vs GPT-6.1 Terra (Xhigh): 32.5% less intelligence, 97.9% more cost to run the AA benchmark, and 72.4% faster end-to-end.
| Metric | GPT-6.1 Terra (Xhigh) | Inkling 2 Small | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 45.3 | 30.6 | −32.5% Inkling 2 Small is 32.5% less intelligent |
| Total AA cost (lower is better) | $400.18 | $791.81 | +97.9% Inkling 2 Small is 97.9% more expensive |
| End-to-end time (lower is better) | 75.90s | 20.92s | −72.4% Inkling 2 Small is 72.4% faster |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.30 / $1.00 | |
| Input modalities | Text, Image | Text, Image |
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 46.30 for $389.
- Inkling 2 Small is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 52.50 for $718.
GPT-6.1 Terra (Xhigh)Inkling 2 SmallToday's Pareto 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-2-small · Markdown: /api/v1/compare/gpt-6-1-terra-xhigh/inkling-2-small?format=md · llms.txt · agent skill