Celeris-1 vs Claude 4.5 Sonnet (Reasoning)
Which is better for the money: Celeris-1 by Celeris or Claude 4.5 Sonnet (Reasoning) by Anthropic? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Claude 4.5 Sonnet (Reasoning) scores 14.4 points higher (20.7 vs 6.3) but costs 25× as much to run the benchmark ($1501 vs $60.0; premium vs mid-range cost classes). They are not alternatives at one budget: pick Claude 4.5 Sonnet (Reasoning) when you need intelligence above 6.3, and Celeris-1 when 6.3 is enough.
| Metric | Celeris-1 | Claude 4.5 Sonnet (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 6.3 | 20.7 | +228.6% Claude 4.5 Sonnet (Re… is 3.3× more intelligent |
| Total AA cost (lower is better) | $59.99 | $1,501.22 | +2402.5% Claude 4.5 Sonnet (Re… is 25× more expensive |
| End-to-end time (lower is better) | 0.87s | 20.84s | +2295.4% Claude 4.5 Sonnet (Re… is 2295.4% slower |
| Price per 1M tokens (in / out) | $0.20 / $0.70 | $3.00 / $15.0 | |
| Input modalities | Text, Image | Text, Image |
Claude 4.5 Sonnet (Reasoning) vs Celeris-1: 228.6% more intelligence, 2402.5% more cost to run the AA benchmark, and 2295.4% 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.
- Claude 4.5 Sonnet (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Celeris-1Claude 4.5 Sonnet (Reasoning)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/celeris-1/claude-4-5-sonnet-thinking · Markdown: /api/v1/compare/celeris-1/claude-4-5-sonnet-thinking?format=md · llms.txt · agent skill