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Daily Brief · Archive

Wednesday, September 16, 2026

Every story published that day — lead first, then grouped by section.

Illustration for: Post-training image models for fandom
Open Source

Post-training image models for fandom

The best open-source image models make great pictures. Character.ai needed more: the same Character, recognizable through every style, scene, and page a story…

Character.AI Blog4 min read

Models & Research

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Illustration for: Cohere & Aleph Alpha: Transatlantic Sovereign AI - Cohere
Models & Research

We are announcing the signing of a definitive business combination agreement with Aleph Alpha, following the release of our planned partnership in April of this year. Operating globally as Cohere, the unified company will effectively create the first transatlantic sovereign AI solution.

Cohere3 min

Guides

4
Illustration for: ChatGPT co-creator launches a new kind of AI
Guides

AI ChatGPT co-creator launches a new kind of AI PLUS: How to add models to Codex, Claude Code Good morning, AI enthusiasts, and welcome to our 4,056 new readers. Diogo Almeida helped build the methods that taught AI to talk to people — the research behind ChatGPT.

The Rundown AI7 min
Illustration for: A Guide to Grok Bot 2026
Guides

Will SpaceX AI’s “Grok Bot” and Meta’s “Muse” impact ChatGPT’s marketshare in 2027? It’s somewhat likely.

AI Supremacy3 min

Open Source

2