GPT-5.5 Articles
2 articles across AI Catchup's news, guides, tutorials, and comparisons.
All GPT-5.5 articles
OpenAI Ships a New GPT-5.5 Instant in ChatGPT: Better Intent, Constraints, and Shopping/Local Recs
OpenAI says a new version of GPT-5.5 Instant is rolling out in ChatGPT with better intent understanding, more reliable handling of complex constraints, and improved shopping and local recommendations. Per OpenAI, it reaches paid users first and free users the next day. GPT-5.5 Instant is ChatGPT's default for logged-in users.
GPT-5.5 Is Here: State-of-the-Art Agentic Coding, 1M Context, and a New Pro Tier
OpenAI launched GPT-5.5 on April 23, 2026 -- its smartest model yet, with state-of-the-art scores on Terminal-Bench 2.0 (82.7%), GDPval (84.9%), and OSWorld-Verified (78.7%), GPT-5.4 per-token latency, and a new GPT-5.5 Pro tier for harder work. As of August 2026 it is generally available in the API at $5/M input and $30/M output, with a 1,050,000-token context window.