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2026/5/3 23:00 (UTC+8) · New Model · OpenAI 🚀 gpt-5.5-pro is live (SVIP group only) — OpenAI’s strongest reasoning model gpt-5.5-pro ships on the official-relay channel: Terminal-Bench 2.0 82.7%, Expert-SWE 73.1%, GDPval 84.9%, 1.05M context + 128K output. Tiered pricing: $30/$180 for 0–272K, $60/$270 for 272K–∞ per 1M tokens. ⚠️ SVIP group only: NOT exposed on the Default group — a single call can cost several dollars to over ten dollars. Confirm the use case is worth it, and always set hard budget caps in your application layer before calling.
gpt-5.5-pro tiered pricing: 0-272K input $30 output $180; 272K-∞ input $60 output $270
📖 Launch notes: /en/news/gpt-5-5-pro-launch
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