// a daily digest from the AI world

AI news
September 30, 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.

modelOpenAI

GPT-6.1 Sol: near-Astra intelligence at a fifth of the price ↗

OpenAI introduced GPT-6.1 Sol, a model with intelligence close to Astra for coding, computer use and professional work. Input and output token prices are one-fifth of Astra’s standard API rates, which makes a strong model far more affordable for everyday deployment.

modelSimon Willison

Anthropic releases Claude Sonnet 5.5, faster and cheaper ↗

Anthropic’s new Sonnet 5.5 runs over 30% faster and costs up to 30% less for most work, according to the company. It keeps the same price as Sonnet 5, yet appears to beat it across benchmarks and should be cheaper to run as well.

toolTechCrunch

Codex gains reusable cloud environments across devices ↗

OpenAI is expanding Codex with reusable cloud development environments, a revamped CLI with voice controls and new code review tools. It also adds a security-focused product that scans repositories and prepares fixes.

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