GPT-6 Astra costs 2.5× more than GPT-5.6 Sol — but most of the upgrade looks agentic, not reasoning
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I compared GPT-6 Astra with GPT-5.6 Sol across the benchmarks where I could find reasonably comparable results. The headline result is obviously that Astra wins most of them. But I think the more interesting story is where the improvement actually happens. GPT-6 Astra costs roughly 2.5× more at API…
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- 2026-09-06 00:53 · r/ArtificialInteligence
GPT-6 Astra costs 2.5× more than GPT-5.6 Sol — but most of the upgrade looks agentic, not reasoning