OpenAI API: design a custom voice from a text prompt, plus nine new GPT-Live voices
Prompt-to-voice is now available to all API customers: describe a voice in words, then reuse it in GPT-Live sessions. Creating the voice is free.
AI news that matters
Meta releases Muse Spark Open weights: 816B MoE, 1M context, runs on two Mac Studios
Meta open-sourced the weights of Muse Spark Open, a multimodal coding and agent model it calls the most capable US open-weight model to date.
Gemini 4 Argon is now generally available, at intro pricing through Nov 30
Google's new frontier model for coding, knowledge work and cyber defense is open to API developers, enterprises, and Pro/Ultra subscribers in the Gemini app.
Claude Haiku 5.5 launches with a 1M-token context; Sonnet 5.5 cache reads cut 50%
Anthropic's new small model is built for fast, high-volume work. Sonnet 5.5 also gets cheaper cache reads, and Max/Team plans now include monthly API credits.
GPT-6 with Intelligent UI rolls out to all ChatGPT users
ChatGPT's new default model can answer with charts, forms, buttons and mini-tools, and starts answering while it's still thinking.