Apr 23, 2026 · Artificial Intelligence

GPT-5.5 Launches Overnight, Beats Claude Opus 4.7 in Key Programming Benchmarks

OpenAI unveiled GPT-5.5 at 2 a.m., emphasizing autonomous task execution; benchmark tables show it outperforms Claude Opus 4.7 in most programming and agentic tests while lagging on a few specialized metrics, and it also offers token‑efficiency gains, new research‑assistant capabilities, and updated pricing.

AI research assistanceAgentic CodingClaude Opus 4.7

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GPT-5.5 Launches Overnight, Beats Claude Opus 4.7 in Key Programming Benchmarks