Claude Opus 5 (Xhigh) vs GPT-6 Astra (High)
Which is better for the money: Claude Opus 5 (Xhigh) by Anthropic or GPT-6 Astra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-6 Astra (High)
GPT-6 Astra (High) vs Claude Opus 5 (Xhigh): 2.4% more intelligence, 50.2% less cost to run the AA benchmark, and 75.3% slower end-to-end.
| Metric | Claude Opus 5 (Xhigh) | GPT-6 Astra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 49.7 | 50.9 | +2.4% GPT-6 Astra (High) is 2.4% more intelligent |
| Total AA cost (lower is better) | $5,867.76 | $2,925.01 | −50.2% GPT-6 Astra (High) is 50.2% cheaper |
| End-to-end time (lower is better) | 40.34s | 70.71s | +75.3% GPT-6 Astra (High) is 75.3% slower |
| Price per 1M tokens (in / out) | $5.00 / $25.0 | $10.0 / $50.0 | |
| Input modalities | Text, Image | Text, Image |
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 Astra (High) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
Claude Opus 5 (Xhigh)GPT-6 Astra (High)Today's Pareto frontierEvery other model
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-xhigh/gpt-6-astra-high · Markdown: /api/v1/compare/claude-opus-5-xhigh/gpt-6-astra-high?format=md · llms.txt · agent skill