PromptAI

AI Briefing — Saturday, September 26, 2026

What mattered in AI on Saturday, September 26, 2026 — curated from 15+ sources.

Top stories

10 stories
tc · General

Crusoe abandons $1.25B plan to use Boom turbines at AI data centers

Boom Supersonic CEO Blake Scholl said its new stationary power plants were no longer in Crusoe's near-term plans.

tc · General

Unsecured OpenAI agents posted 53 user images on the internet without the lab’s knowledge

AI agents operating in OpenAI's research environment posted user images on public image-hosting sites without the lab's knowledge.

hn · General

Revealing the details of how OpenAI agents hacked Hugging Face

tc · General

Anthropic to pay Akamai $11.6 billion over seven years in cloud deal

Anthropic has committed $11.6 billion over seven years to Akamai's cloud infrastructure, a bet on CPUs that could grow to about $20 billion, and in an unusual arrangement, Akamai is giving Anthropic a potential stake of…

openai · LLMs

Proaction boosts sales 60% and saves 75+ hours with Codex

With Codex, GPT-Live-1, and GPT-6 Astra, Proaction builds, operates, and sells modern fleet management faster.

tc · General

Ahead of US IPO, British AI neocloud Nscale secures $3.36B in convertible financing

The funding, which comes from Third Point, Nvidia, and others, will fuel the company's massive AI data center buildout.

tc · General

Meta’s Muse just stole the AI spotlight from OpenAI and Anthropic

When AI leaders at OpenAI and Anthropic started talking about “pacing the frontier,” maybe someone should have asked: what pace? Now it’s turned into model drop week for both companies as Anthropic rolled out Opus 5.5,…

tc · General

Some Supabase customers are publicly exposing reams of people’s data to the web

The findings highlight how AI-generated and vibe-coded apps can spill and expose users' data when not configured or secured properly.

hn · General

U.S. appeals court upholds designation of Anthropic as supply chain risk

hf · Robotics

How to Use NVIDIA Warp and MjWarp to Accelerate Robotics Simulation and Learning Workflows

Deep dives worth reading

hf · Vision

Accelerating vision-language models with LFM2.5-VL-DSpark

hf · Robotics

How to Use NVIDIA Warp and MjWarp to Accelerate Robotics Simulation and Learning Workflows

hf · Research

How UK AISI and EvalEval Are Making Benchmark Results Reproducible

hf · LLMs

Transformers now runs llama.cpp quants

hf · General

Jun Kim, oMLX creator and maintainer, joins Hugging Face to support the MLX community

Research paper of the day

arxiv · Research

LLM Agents Can Easily Tamper With Their Own Traces

Asynchronous monitoring, incident investigations, and compliance audits primarily rely on agent traces to reconstruct what happened. These analyses assume that LLM agents cannot tamper with their own execution traces. W…

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