GPT-5.5 is OpenAI’s most capable agentic AI model yet–at twice the API price
OpenAI launched GPT-5.5 on April 23 as what it calls “a brand new class of intelligence for actual work and powering brokers,” and the framing is deliberate. OpenAI says it’s the most capable agentic AI model thus far, constructed from the floor as much as plan, use instruments, test its personal output, and work by…