Celeris-1 vs Claude Sonnet 5.5 (High, Default Fallback)
Which is better for the money: Celeris-1 by Celeris or Claude Sonnet 5.5 (High, Default Fallback) by Anthropic? 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
Claude Sonnet 5.5 (High, Default Fallba… scores 40.5 points higher (46.8 vs 6.3) but costs 17× as much to run the benchmark ($1027 vs $60.0; premium vs mid-range cost classes). They are not alternatives at one budget: pick Claude Sonnet 5.5 (High, Default Fallba… when you need intelligence above 6.3, and Celeris-1 when 6.3 is enough.
| Metric | Celeris-1 | Claude Sonnet 5.5 (High, Default Fallback) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 6.3 | 46.8 | +642.9% Claude Sonnet 5.5 (Hi… is 7.4× more intelligent |
| Total AA cost (lower is better) | $59.99 | $1,027.40 | +1612.6% Claude Sonnet 5.5 (Hi… is 17× more expensive |
| End-to-end time (lower is better) | 0.87s | 14.42s | +1557.5% Claude Sonnet 5.5 (Hi… is 1557.5% slower |
| Price per 1M tokens (in / out) | $0.20 / $0.70 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Claude Sonnet 5.5 (High, Default Fallback) vs Celeris-1: 642.9% more intelligence, 1612.6% more cost to run the AA benchmark, and 1557.5% 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.
- Claude Sonnet 5.5 (High, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
Celeris-1Claude Sonnet 5.5 (High, Default Fallback)Today's Pareto frontierEvery other model
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