Celeris-1 vs Solar Pro 4
Which is better for the money: Celeris-1 by Celeris or Solar Pro 4 by Upstage? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-08-17.
Trade-off
Verdict
Depends on your budget
Solar Pro 4 scores 29.2 points higher (41.6 vs 12.4) but costs 2.0× as much to run the benchmark ($321 vs $157; both mid-range class). Pick Solar Pro 4 when the extra intelligence is worth the premium, otherwise Celeris-1.
| Metric | Celeris-1 | Solar Pro 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 12.4 | 41.6 | +235.5% Solar Pro 4 is 3.4× more intelligent |
| Total AA cost (lower is better) | $156.79 | $320.92 | +104.7% Solar Pro 4 is 2.0× more expensive |
| End-to-end time (lower is better) | 0.97s | 46.28s | +4671.1% Solar Pro 4 is 4671.1% slower |
| Price per 1M tokens (in / out) | $0.20 / $0.70 | $0.30 / $1.20 | |
| Input modalities | Not reported | Not reported |
Solar Pro 4 vs Celeris-1: 235.5% more intelligence, 104.7% more cost to run the AA benchmark, and 4671.1% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Celeris-1 is off the frontier: at the same or lower cost, GPT-5.6 Luna (xhigh) scores 50.10 for $95.1.
- Solar Pro 4 is off the frontier: at the same or lower cost, Gemini 3.7 Flash (medium) scores 53.40 for $278.
Celeris-1Solar Pro 4Today'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/solar-pro4 · Markdown: /api/v1/compare/celeris-1/solar-pro4?format=md · llms.txt · agent skill