The letter

One letter a week, in your inbox.

The signal of the week, what shipped, what to try, and the editor's note. No tracking, no ads, nothing else.

We keep your address, your language and the date you joined, nothing else. Every letter has a one-click unsubscribe link that deletes the record.

Signal of the week

Agents & vibe coding · 97 stories, +74 vs last week

Agents & vibe coding: 97 stories in seven days, +74 on the week before.

Autonomous LLM post-training with Tunix on TPUs

LabsAutonomous LLM post-training with Tunix on TPUs Google Developers Blog

The Anatomy of Harness Engineering: How to Evaluate, Iterate, and Guard AI Coding Agents

LabsThe Anatomy of Harness Engineering: How to Evaluate, Iterate, and Guard AI Coding Agents Google Developers Blog

Latest

Hong Kong IPO boom and Chinese AI race fuel frenzy of follow-on deals

Nikkei Asia TechnologyJapanHong Kong IPO boom and Chinese AI race fuel frenzy of follow-on deals Tech companies including Z.AI raise billions through share sales, convertible bonds

September 14
SoftBank Group plunges 11% after OpenAI says no IPO this year

Nikkei Asia TechnologyJapanSoftBank Group plunges 11% after OpenAI says no IPO this year AI safety concerns push tech stocks lower in Asia; oil spike also weakens sentiment

September 14
OpenAI says it is in talks to train models in Australia

Nikkei Asia TechnologyJapanOpenAI says it is in talks to train models in Australia Government sees chance to gain leverage in setting of industry standards

September 14
JustVugg/colibri

GitHub Trending (daily)GitHubJustVugg/colibri

September 14
ever-co/ever-gauzy

GitHub Trending (daily)GitHubever-co/ever-gauzy

September 14
bilawalsidhu/gods-eye-view

GitHub Trending (daily)GitHubbilawalsidhu/gods-eye-view

September 14
ayghri/i-have-adhd

GitHub Trending (weekly)GitHubayghri/i-have-adhd

September 14
affaan-m/ECC

GitHub Trending (weekly)GitHubaffaan-m/ECC

September 14
openai/plugins

GitHub Trending (weekly)GitHubopenai/plugins

September 14
Autonomous LLM post-training with Tunix on TPUs

Google Developers BlogLabsAutonomous LLM post-training with Tunix on TPUs Imagine going to sleep after writing a single Markdown specification and waking up to find that an A...

September 14
The Anatomy of Harness Engineering: How to Evaluate, Iterate, and Guard AI Coding Agents

Google Developers BlogLabsThe Anatomy of Harness Engineering: How to Evaluate, Iterate, and Guard AI Coding Agents While end-to-end benchmarks like SWE-bench provide broad performance scores for AI agents, they are often expensive, slow, and lack the root-cause diagnostics needed to explain exactly where an agent's logic broke down.

September 14
Announcing ADK for Kotlin 1.0: Building Production-Ready AI Agents in Kotlin, Android, and Beyond

Google Developers BlogLabsAnnouncing ADK for Kotlin 1.0: Building Production-Ready AI Agents in Kotlin, Android, and Beyond Google has officially released version 1.0 of the Agent Development Kit (ADK) for Kotlin, achieving full feature parity with the Python and Java ADK cores to enable idiomatic, multi-agent AI development. Built on Kotlin

September 14