OpenAI's GPT-5.5 is here, and it's no potato: narrowly beats Anthropic's Claude Mythos Preview on Terminal-Bench 2.0

So when it comes to models that the general public can access, GPT-5.5 has retaken the crown for OpenAI, achieving the ...

OpenAI releases GPT-5.5, bringing company one step closer to an AI ‘superapp’

OpenAI on Thursday released GPT-5.5, its newest AI model, which the company calls its “smartest and most intuitive to use ...
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OpenAI launches GPT-5.5, its first fully retrained base model since GPT-4.5

OpenAI launches GPT-5.5, its first fully retrained base model since GPT-4.5, targeting enterprise with agentic coding, computer use, and knowledge work ...