Claude Opus 4.5 (Reasoning) vs GPT-6 Astra (Max)

Claude Opus 4.5 (Reasoning) vs GPT-6 Astra (Max). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Opus 4.5 (Reasoning)Not ranked · benchmark data missing
Intelligence
29.10
Total cost
-
OpenAIGPT-6 Astra (Max)Off the frontier
Intelligence
52.70
Total cost
$5324
Verdict

Comparison incomplete

A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

MetricClaude Opus 4.5 (Reasoning)GPT-6 Astra (Max)Difference
Intelligence (higher is better)29.152.7+81.1% GPT-6 Astra (Max) is 81.1% more intelligent
Total AA cost (lower is better)Not reported$5,324.10— not comparable
End-to-end time (lower is better)25.65s275.53s+974.2% GPT-6 Astra (Max) is 974.2% slower
Price per 1M tokens (in / out)$5.00 / $25.0$10.0 / $50.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude Opus 4.5 (Reasoning): what beats itGPT-6 Astra (Max): what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-4-5-thinking/gpt-6-astra · Markdown: /api/v1/compare/claude-opus-4-5-thinking/gpt-6-astra?format=md · llms.txt · agent skill