Astra vs Opus 5.5 at equal reasoning budgets

Haider. @haider1Originally posted 2026.10.05

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gpt-6 astra is a much stronger model than opus 5.5 opus and sonnet 5.5 use 4-8x more tokens give them equal reasoning budgets, and astra pulls far ahead. you can already see hints of this on heavy reasoning benchmarks like FrontierMath, where astra hits 97% vs. 91-95% for fable/opus