OpenAI Retakes the Frontier With GPT-5.5
OpenAI launched GPT-5.5, codenamed Spud, and described it as a new class of intelligence. The company says it is setting top benchmark scores across reasoning, agentic, computer use, and coding, while rolling out in ChatGPT and Codex. OpenAI also says the model keeps the same speed as 5.4 with better efficiency and is priced at $5 and $30 per million input and output tokens in the API.
- OpenAI says GPT-5.5 is a new class of intelligence and that it tops benchmark scores across the industry.
- The model is rolling out across ChatGPT plans and Codex with Thinking and Pro variants.
- OpenAI says it kept the same speed as 5.4 while adding more efficiency and using Codex and 5.5 to rewrite GPU code for infrastructure gains.
