Grok 4.3 (High) vs Solar Pro 4
Which is better for the money: Grok 4.3 (High) by SpaceXAI or Solar Pro 4 by Upstage? 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
Solar Pro 4 scores 1.7 points higher (26.6 vs 24.9) but costs 2.0× as much to run the benchmark ($737 vs $363; premium vs mid-range cost classes). Pick Solar Pro 4 when the extra intelligence is worth the premium, otherwise Grok 4.3 (High).
| Metric | Grok 4.3 (High) | Solar Pro 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.9 | 26.6 | +6.8% Solar Pro 4 is 6.8% more intelligent |
| Total AA cost (lower is better) | $363.24 | $736.82 | +102.8% Solar Pro 4 is 2.0× more expensive |
| End-to-end time (lower is better) | 24.88s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $1.25 / $2.50 | $0.30 / $1.20 | |
| Input modalities | Text, Image | Text |
Solar Pro 4 vs Grok 4.3 (High): 6.8% more intelligence, 102.8% more cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- Grok 4.3 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- Solar Pro 4 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
Grok 4.3 (High)Solar 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/grok-4-3/solar-pro4 · Markdown: /api/v1/compare/grok-4-3/solar-pro4?format=md · llms.txt · agent skill