Sonnet 5.5 edges past GPT-6 Astra in scores

Peter Dedene @dedeneOriginally posted 2026.09.29

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“Sir, Anthropic just dropped Sonnet 5.5. It scores 56 on Artificial Analysis, behind only Opus 5.5, ahead of GPT-6 Astra, and miles ahead of GPT-6 Sol.. at the same price per token.”

This post quotes another post: “Claude Sonnet 5.5: faster and cheaper than Sonnet 5”