AI Briefing — Saturday, September 12, 2026

Perplexity trusts GPT-6 Astra with end-to-end systems

Perplexity uses Astra to write communications, change software, and monitor production systems, and checks in much less frequently than with earlier models.

OpenAI's Sam Altman says it would be 'ill-advised' to go public in 2026

Real-SWE: Benchmarking AI models on private, real-world, enterprise codebases

OpenAI’s Sam Altman says it would be ‘ill-advised’ to go public in 2026

While OpenAI has filed confidentially for an IPO, the company will not be going public this year, according to CEO Sam Altman.

Benchmark: CadQuery vs. OpenSCAD for agentic CAD work

Anthropic CEO outlines plan to slow AI development

Anthropic's Dario Amodei and OpenAI's Sam Altman seem to agree that it's time to "pace the frontier." What would that actually look like?

Nvidia is the central bank of AI

https://archive.ph/kt50V

A Mathematical Framework for Transformer Circuits (2021)

Retrospectively Reverse-Engineering Apple's Neural Engine

Mecka AI nears $500M valuation in Sequoia-led deal amid rush for robot training data

The round for the two-year-old startup is coming together months after Mecka announced its Series A.

Rebuilding AUTOMATIC1111 with Gradio Workflow

IBM releases SOTA Granite Time Series PatchTST-FM-r2 model with commercial-friendly license

Safety for Whom? Refusing the Right Subset of a Topic, Not the Whole Topic

NeoMME: an efficient Multimodal-native and Multilingual Encoder

Fine-tuning a 350M Model for Better Structured Outputs in 100 GRPO Steps