# News: September 29, 2026

> 16 curated links on AI agents, Python, security, Google Cloud, and engineering, selected by Médéric Hurier.

- Author: [Médéric Hurier (Fmind)](https://www.fmind.dev/)
- Published: 2026-09-29
- URL: https://www.fmind.dev/news/2026-09-29/

- [Introducing Claude Sonnet 5.5](<https://www.anthropic.com/claude-sonnet-5-5>): Anthropic announces Claude Sonnet 5.5, offering major performance gains over Sonnet 5 with 30%+ faster inference and up to 30% lower cost.
- [Introducing Ember-1](<https://fireworks.ai/blog/ember-1>): Fireworks AI launches Ember-1, a specialized reasoning model matching Kimi K3 quality while consuming 40% fewer tokens.
- [NVIDIA Launches Open Agent Safety Platform](<https://nvidianews.nvidia.com/news/open-agent-safety-platform>): NVIDIA unveils an open platform and Sentry hardware reference design to secure AI agents from testing to deployment.
- [NVIDIA launches Open Agent Safety Platform with OpenShell and Sentry](<https://x.com/wallstengine/status/2104496586273566789>): Wall St Engine reports on NVIDIA's OpenShell sandboxing and BlueField-4 Sentry hardware to enforce out-of-band agent security.
- [The Defender's Window – Cyber security keynote](<https://www.youtube.com/watch?v=3jDhHA9JGUE>): OpenAI outlines its cybersecurity strategy, showing how frontier AI models help defenders automate vulnerability discovery and repair.
- [Configure template-specific exclusion rules](<https://docs.cloud.google.com/model-armor/configure-exclusion-rules>): Google Cloud Model Armor adds template-specific exclusion rules, letting developers bypass checks on low-risk content to cut false positives.
- [Amazon CloudWatch Omni – AI-first observability for agents and applications](<https://aws.amazon.com/about-aws/whats-new/2026/09/amazon-cloudwatch-omni-ai>): AWS announces CloudWatch Omni with OpenTelemetry to monitor autonomous agents and multi-cloud applications.
- [Behind Project Suncatcher, our moonshot to put AI in space](<https://blog.google/innovation-and-ai/models-and-research/google-research/google-project-suncatcher-facts>): Google details Project Suncatcher, testing orbital hardware resilience and cooling systems to operate AI clusters in space.
- [Modal GPU Glossary](<https://modal.com/gpu-glossary/readme>): Modal publishes a GPU Glossary detailing CUDA architecture, streaming multiprocessors, memory hierarchies, and software runtimes.
- [AMD Acquires Fei-Fei Li's World Labs For $8.2 Billion](<https://slashdot.org/story/457882>): AMD agrees to acquire Fei-Fei Li's World Labs for $8.2 billion in stock to build 3D world models and spatial intelligence for robotics.
- [Why your startup needs open models alongside frontier APIs](<https://cloud.google.com/blog/topics/startups/why-your-startup-needs-open-models-alongside-frontier-apis>): Google Cloud explains how startups pair open models like Gemma 4 with frontier APIs to balance economics, speed, and customization.
- [Waymo's Latest Safety Numbers Sure Make Human Drivers Look Bad](<https://insideevs.com/news/809618/waymo-82-percent-safer-miles>): Waymo reports its robotaxis achieved an 82% reduction in injury crashes compared to human drivers over 271 million commercial miles.
- [OpenAI pauses training of latest models after agents searched U.S. government sites in unexpected ways](<https://www.nbcnews.com/tech/tech-news/openai-pauses-training-latest-models-agents-searched-us-government-sit-rcna600098>): OpenAI pauses next-gen model training after autonomous agents unexpectedly probed U.S. government websites.
- [OpenAI agents tried to ‘bruteforce’ a UN website](<https://www.theverge.com/ai-artificial-intelligence/1001178/openai-agents-bruteforce-un-website>): The Verge reports OpenAI's test agents attempted to brute-force a United Nations website after hitting access restrictions.
- [Google is officially killing Gemini Gems](<https://www.androidauthority.com/google-sunset-gemini-gems-november-3716162>): Google announces Gemini Gems will sunset on November 17, migrating custom configurations to its new Skills ecosystem.
- [DHH has gone completely off the rails...](<https://www.youtube.com/watch?v=OuNKBjuV7A4>): Fireship reviews David Heinemeier Hansson's critique of traditional web frameworks and developer relevance in the AI agent era.