Samuel Times deskAI
Models, agents, research, infrastructure, products, safety, and the AI economy.
We’re on a journey to advance and democratize artificial intelligence through open source and open science. Anatomy of a Frontier Lab Agent Intrusion: A Technical Timeline of t…
Weekly · August 2, 20268 selected stories

AI agent cybersecuritylinked documentSignal 9.4
We’re on a journey to advance and democratize artificial intelligence through open source and open science. Anatomy of a Frontier Lab Agent Intrusion: A Technical Timeline of the July 2026 Incident +148 A companion technical writeup to our incident disclosure .…

AI-generated mathematicslinked documentSignal 9.1
OpenAI shares new results on long-standing open problems in mathematics and theoretical computer science, including advances in geometry, cryptography, and complexity. August 1, 2026 Ten advances in mathematics and theoretical computer science We want to empower scientists and mathematicians with tools that accelerate discovery.…

AI cyber evaluation incidentslinked documentSignal 8.7
In a review of our cybersecurity evaluation transcripts, we found three incidents in which a Claude model reached the internet from within or while interacting with a third-party evaluation environment, and then gained unauthorized access to the real systems of three different organizations. Below we describe what happened, how it happened, and what we’re changing.…

Kimi K3 model releaselinked documentSignal 8.6
Kimi K3 is the world's first open 3T-class model — frontier performance across coding, knowledge work, and reasoning, with native multimodality and 1M context. Kimi K3: Open Frontier Intelligence Today, we are introducing Kimi K3 — our most capable model. Kimi K3 is a 2.8T-parameter model built on our Kimi Delta Attention and Attention Residuals, with native vision capabilities and a 1-million-token context window.…

AI session portabilitylinked documentSignal 8.4
Inference APIs are filling sessions with encrypted reasoning, hidden search results, opaque compaction, and encrypted subagent messages. A growing form of lock-in. The Session You Cannot Take With You Date: Thu, 30 Jul 2026 From: Earendil Engineering < rfc@earendil.com > To: You Subject: The Session You Cannot Take With You The original promise of an inference API was wonderfully simple: send some input, receive…

AI benchmark harness designlinked documentSignal 8.2
How two API settings improved GPT-5.6 performance on ARC-AGI-3, boosting scores and efficiency by retaining reasoning and enabling compaction. July 29, 2026 How enabling two settings tripled our scores on the ARC-AGI-3 benchmark A sped-up video of GPT‑5.6 Sol attempting to solve puzzles in the ARC-AGI-3 benchmark, with the official harness (left) and our Responses API harness (right), which retains reasoning and…

Open-weight frontier AI modelslinked documentSignal 8.2
We’re on a journey to advance and democratize artificial intelligence through open source and open science. Open Frontier Intelligence • 1 item • Updated about 16 hours ago • 54

AI open-weights policylinked documentSignal 8.2
Anthropic CEO Dario Amodei on open-weights models Our position on open-weights models A post by Dario Amodei, Anthropic CEO Over the last few days there has been a lot of discussion about open-weights models, especially those from China. Reports suggest that some US officials are considering banning the use of Chinese open-weights models by US companies.…