Claude Sonnet 5 (Max) vs GPT-6 Astra (Max)
Which is better for the money: Claude Sonnet 5 (Max) by Anthropic or GPT-6 Astra (Max) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick GPT-6 Astra (Max)
GPT-6 Astra (Max) vs Claude Sonnet 5 (Max): 38.0% more intelligence, 23.9% less cost to run the AA benchmark, and 50.2% slower end-to-end.
| Metric | Claude Sonnet 5 (Max) | GPT-6 Astra (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 38.2 | 52.7 | +38.0% GPT-6 Astra (Max) is 38.0% more intelligent |
| Total AA cost (lower is better) | $6,998.25 | $5,324.10 | −23.9% GPT-6 Astra (Max) is 23.9% cheaper |
| End-to-end time (lower is better) | 190.29s | 285.78s | +50.2% GPT-6 Astra (Max) is 50.2% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $10.0 / $50.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5 (Max) 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 (Max) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
Claude Sonnet 5 (Max)GPT-6 Astra (Max)Today'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/claude-sonnet-5/gpt-6-astra · Markdown: /api/v1/compare/claude-sonnet-5/gpt-6-astra?format=md · llms.txt · agent skill