Claude Opus 5 (Xhigh) vs GPT-6 Sol (Xhigh)
Which is better for the money: Claude Opus 5 (Xhigh) by Anthropic or GPT-6 Sol (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
Claude Opus 5 (Xhigh) scores 5.5 points higher (49.7 vs 44.2) but costs 6.9× as much to run the benchmark ($5868 vs $855; flagship vs premium cost classes). They are not alternatives at one budget: pick Claude Opus 5 (Xhigh) when you need intelligence above 44.2, and GPT-6 Sol (Xhigh) when 44.2 is enough.
| Metric | Claude Opus 5 (Xhigh) | GPT-6 Sol (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 49.7 | 44.2 | −11.1% GPT-6 Sol (Xhigh) is 11.1% less intelligent |
| Total AA cost (lower is better) | $5,867.76 | $854.60 | −85.4% GPT-6 Sol (Xhigh) is 85.4% cheaper |
| End-to-end time (lower is better) | 40.42s | 46.01s | +13.8% GPT-6 Sol (Xhigh) is 13.8% slower |
| Price per 1M tokens (in / out) | $5.00 / $25.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Xhigh) vs Claude Opus 5 (Xhigh): 11.1% less intelligence, 85.4% less cost to run the AA benchmark, and 13.8% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5 (Xhigh) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
- GPT-6 Sol (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
Claude Opus 5 (Xhigh)GPT-6 Sol (Xhigh)Today's Pareto frontierEvery other model
Matchup
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