OpenAI said GPT-4.5 is less likely to make up false information than its GPT-4o and o1 models. The model is becoming available first to developers and those with ChatGPT Pro subscriptions, which cost ...

On Monday, Anthropic announced Opus 4.5, the latest version of its flagship model. It’s the last of Anthropic’s 4.5 series of models to be released, following the launch of Sonnet 4.5 in September and ...

Anthropic’s Claude Sonnet 4.5 Can Code Autonomously for 30+ Hours Your email has been sent Anthropic has thrown down another gauntlet in the AI fight with Claude Sonnet 4.5, a model that the company ...

While the improvements feel as incremental as its name suggests, GPT-4.5 is still OpenAI’s most ambitious drop to date. Released in late February as a research preview—which essentially means OpenAI ...

OpenAI announced on Thursday it is launching GPT-4.5, the much-anticipated AI model code-named Orion. GPT-4.5 is OpenAI’s largest model to date, trained using more computing power and data than any of ...

Opus 4.5 failed half my coding tests, despite bold claims File handling glitches made basic plugin testing nearly impossible Two tests passed, but reliability issues still dominate the story I've got ...