Developers and ChatGPT subscribers who relied on GPT-5.2 Thinking now face a forced migration. OpenAI has replaced GPT-5.2 Thinking with GPT-5.4 Thinking for Plus, Team, and Pro users, while ...

Many AI users are convinced that OpenAI is quietly running GPT-5.6 inside ChatGPT. OpenAI isn't confirming anything.

OpenAI’s latest model is here. The company says that new AI model, GPT-5.5, is extremely skilled at intuiting its user’s needs, and is the most effective ever at undertaking economically-viable work.

GPT-5 isn’t some giant leap in raw intelligence—it’s a pretty brilliant router. I remember when GPT-4 landed: It felt like the world changed. It was a clear step up: Models suddenly reasoned, wrote ...

When OpenAI released GPT-5.4 at the start of March, the company said the new model was designed primarily for professional work like programming and data analysis. Now OpenAI is launching GPT-5.4 mini ...

The model, codenamed “Spud,” is designed to complete complex multi-step tasks with minimal human direction. It sets new benchmarks in agentic coding, computer use, and knowledge work, while matching ...

On Tuesday, OpenAI released a new foundation model called GPT-5.5 Instant, which will replace GPT-5.3 Instant as the default ChatGPT model. The company said the model reduces hallucination in ...

Anthropic's Fable 5 led every major AI benchmark over OpenAI's GPT 5.5 before a US export control directive forced it offline three days after launch.

OpenAI Group PBC today announced the launch of GPT-5.4-Cyber, a fine-tuned variant of its GPT-5.4 model designed for defensive cybersecurity work and also announced a significant expansion of its ...

Anthropic’s Fable and Mythos models have been withdrawn following US export controls, but OpenRouter might have a solution. The company has launched ...