Celeris-1 vs GPT-5.6 Terra (High)
Which is better for the money: Celeris-1 by Celeris or GPT-5.6 Terra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Terra (High) scores 27.9 points higher (34.2 vs 6.3) but costs 13× as much to run the benchmark ($768 vs $60.0; premium vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.6 Terra (High) when you need intelligence above 6.3, and Celeris-1 when 6.3 is enough.
| Metric | Celeris-1 | GPT-5.6 Terra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 6.3 | 34.2 | +442.9% GPT-5.6 Terra (High) is 5.4× more intelligent |
| Total AA cost (lower is better) | $59.99 | $767.78 | +1179.8% GPT-5.6 Terra (High) is 13× more expensive |
| End-to-end time (lower is better) | 0.86s | 6.60s | +667.4% GPT-5.6 Terra (High) is 667.4% slower |
| Price per 1M tokens (in / out) | $0.20 / $0.70 | $2.00 / $12.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.6 Terra (High) vs Celeris-1: 442.9% more intelligence, 1179.8% more cost to run the AA benchmark, and 667.4% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Celeris-1 is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Medium) scores 34.50 for $56.4.
- GPT-5.6 Terra (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
Celeris-1GPT-5.6 Terra (High)Today'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/celeris-1/gpt-5-6-terra-high · Markdown: /api/v1/compare/celeris-1/gpt-5-6-terra-high?format=md · llms.txt · agent skill