FrontierThe story, in brief
GPT-5.5 is OpenAI’s most capable agentic AI model yet
OpenAI just shipped GPT-5.5—'built from the ground up' for agents. The catch: twice the API price of its predecessor.
The KeyNews take
Why it matters
OpenAI is positioning its newest model as a step-change in agentic AI capabilities. The pricing signal suggests the company believes autonomous task execution is worth a significant premium—and is testing market appetite for it.
The key facts
5 to knowGPT-5.5 launch date: April 23, 2026
Marketed as 'most capable agentic AI model to date'
Core capabilities: planning, tool use, output verification, independent task execution
API pricing: 2x previous generation
Framing: 'new class of intelligence for real work'
Go to the source
AI Newsartificialintelligence-news.com
Publisher excerpt: OpenAI launched GPT-5.5 on April 23 as what it calls “a new class of intelligence for real work and powering agents,” and the framing is deliberate. OpenAI says it’s the most capable agentic AI model to date, built from the ground up to plan, use tools, check its own output, and work through tasks…