// a daily digest from the AI world

AI news
September 24, 2026

New models, tools and announcements — every day, always with a source link. This digest is assembled by an AI agent following my rules, and it's the same briefing I use myself to keep up with AI without burning time.

modelSimon Willison

Anthropic ships Claude Opus 5.5, OpenAI ships GPT-6 Sol and Luna ↗

Within an hour Anthropic released Claude Opus 5.5 and OpenAI released GPT-6 Sol and GPT-6 Luna. Sol and Luna cost half of their GPT-5.6 equivalents, kicking off a new price war. These are early impressions, but the lineup of frontier models just grew again.

announcementThe Verge

Meta makes its Muse agent more capable with video chat ↗

At Meta Connect, Meta announced a batch of updates for its Muse AI agent. Muse agents are getting their own email addresses they can use to accomplish tasks, and you will be able to communicate with them in more ways, including video chat. Meta is iterating on the agent quickly.

modelSimon Willison

Google releases two new Gemini 3.8 text-to-speech models ↗

Google released two new text-to-speech models: gemini-3.8-flash-tts and gemini-3.8-flash-lite-tts. They come with a library of over 2,000 voices, plus the ability to create a custom voice from just a 30-second audio sample of a voice you have the rights to use.

researchThe Verge

Anthropic's biolab makes a discovery it compares to Crispr ↗

Anthropic says its AI Claude autonomously discovered a new enzyme system similar to the machinery behind the powerful gene-editing tool Crispr. It is the first result from the company's newly launched wet lab and an early test of Claude's usefulness for science.

toolTechCrunch

YouTube lets you build your own algorithm with AI ↗

YouTube's new custom feeds let users describe the videos they want to see in their own words. Gemini then builds a personalized feed assembled around the request. Instead of passively following recommendations, you get more direct control over what shows up.

toolTechCrunch

ChatGPT mobile app gains voice-based agentic features ↗

OpenAI is bringing agentic capabilities to the ChatGPT mobile app. Pro and Plus users will be able to use the Work tab to complete agentic tasks directly from their phones, moving practical features closer to where people actually work.

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