GPT-5.4 mini (Xhigh) vs Inkling Small
Which is better for the money: GPT-5.4 mini (Xhigh) by OpenAI or Inkling Small by Thinking Machines? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick Inkling Small
Inkling Small vs GPT-5.4 mini (Xhigh): 6.6% more intelligence, 84.2% less cost to run the AA benchmark, and 89.0% faster end-to-end.
| Metric | GPT-5.4 mini (Xhigh) | Inkling Small | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.1 | 25.7 | +6.6% Inkling Small is 6.6% more intelligent |
| Total AA cost (lower is better) | $1,524.02 | $240.85 | −84.2% Inkling Small is 84.2% cheaper |
| End-to-end time (lower is better) | 115.75s | 12.68s | −89.0% Inkling Small is 89.0% faster |
| Price per 1M tokens (in / out) | $0.75 / $4.50 | $0.30 / $1.20 | |
| Input modalities | Text, Image | Text, Image, Speech |
Today's Pareto frontier
Against the frontier
- GPT-5.4 mini (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Inkling Small is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-5.4 mini (Xhigh)Inkling SmallToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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