ChatGPT-5.6 Sol, Terra and Luna are available starting today in ChatGPT, Codex and the OpenAI API, OpenAI said in a blog post. The model family is currently rolling out globally and should be available to all users "within the next 24 hours."

Meta launches Muse Spark 1.1, its advanced agentic AI and coding model, with public API access, multimodal support and competitive pricing for developers.

The ChatGPT Work rollout comes alongside the debut of the new GPT-5.6 model, a new model that OpenAI promises provides “stronger performance per dollar” for “your hardest work.” That model can operate in three tiers, with the most expensive and high-performance costing $5 for a million input tokens and $30 for a million output tokens.

OpenAI API costs can spiral when agents run wild. Here's how to set spend limits, enable hard caps, and avoid surprise AI bills.

OpenAI inference cost reduction cut ChatGPT guest traffic from tens of thousands of Nvidia GPUs to just a couple hundred, using software optimization alone. Engineers achieved more than 50% savings with techniques analysts believe include KV cache reuse,

A few days ago, on November 26th, right before Thanksgiving, OpenAI, the maker of ChatGPT, confirmed a recent security breach incident that started towards the beginning of November, which impacted its users, specifically those connected through OpenAI's APIs.

OpenAI aims to solve its messy naming problem—and usher in an era of what Sam Altman calls ‘software on demand.’

Right now, GPT-Live is being rolled out to users globally, in two flavors: GPT-Live-1 and GPT-Live-1 mini (it's not yet available for us). OpenAI says it'll bring these models to