GPT-5.6 Sol (High) vs Grok 4.3 (Non-reasoning)
Which is better for the money: GPT-5.6 Sol (High) by OpenAI or Grok 4.3 (Non-reasoning) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (High) scores 28.3 points higher (42.3 vs 14.0) but costs 6.9× as much to run the benchmark ($1487 vs $216; premium vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.6 Sol (High) when you need intelligence above 14.0, and Grok 4.3 (Non-reasoning) when 14.0 is enough.
| Metric | GPT-5.6 Sol (High) | Grok 4.3 (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 42.3 | 14.0 | −66.9% Grok 4.3 (Non-reasoni… is 66.9% less intelligent |
| Total AA cost (lower is better) | $1,487.34 | $215.93 | −85.5% Grok 4.3 (Non-reasoni… is 85.5% cheaper |
| End-to-end time (lower is better) | 16.35s | 5.71s | −65.1% Grok 4.3 (Non-reasoni… is 65.1% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $1.25 / $2.50 | |
| Input modalities | Text, Image | Text, Image |
Grok 4.3 (Non-reasoning) vs GPT-5.6 Sol (High): 66.9% less intelligence, 85.5% less cost to run the AA benchmark, and 65.1% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Grok 4.3 (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-5.6 Sol (High)Grok 4.3 (Non-reasoning)Today's Pareto frontierEvery other model
Matchup
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