OpenAI today launched a limited preview of its GPT–5.6 series, which includes flagship model Sol, a balanced everyday work model named Terra, and Luna, a fast and affordable model.

Terra is similar in performance to GPT–5.5 but it is 2x cheaper, and Luna offers "strong capability" at OpenAI's lowest price. GPT–5.6 Sol is OpenAI's strongest model to date, with agentic improvements in coding,…

Perplexity today launched a new Mac app with support for its hybrid local-cloud AI agent Personal Computer, plus it expanded Personal Computer access to Pro and Enterprise users, so it is no longer limited to just Max subscribers. Perplexity describes Personal Computer as a "personal orchestrator" that hybridizes local and server environments for security and productivity.

Personal Computer is…

Perplexity today launched Personal Computer, an expansion of Perplexity Computer that integrates with local files and apps on a Mac. Personal Computer was announced in March and was available on a waitlist basis, but it is officially rolling out today for Max subscribers.

Perplexity Computer came out earlier this year, and it's an all-in-one "digital worker" able to create and execute entire…