September 12, 2026 · Saturday

Habitat, the storage behind ChatGPT, grows tenfold in a year

Habitat powers everything from ChatGPT to Codex.

Habitat is OpenAI's online storage platform, and the company says it has grown more than 10x year over year. Before its Rust rewrite, the Python service behind it handled more than 20 million requests per second at peak — a reminder that the most visible AI products sit on top of unglamorous, hard-won infrastructure.

GPT-Live-1 launches; Yelp answers reservations

GPT-Live-1 listens while it speaks, so callers can interrupt, add details, or change direction mid-conversation. Yelp is using it to make restaurant reservation calls feel more natural.

For GPT-6 Astra, less scaffolding is more

OpenAI's guidance for GPT-6 Astra is a cleanup job: revisit skills, AGENTS.md, and task prompts. Make skill triggers specific, load guidance only when relevant, and define what "done" looks like. As models grow stronger, verbose old scaffolding can conflict, so OpenAI argues for shorter skill descriptions, progressive disclosure, and fewer mandatory rules.

Claude Code adds plugin eval

A new command, claude plugin eval, lets teams quantify what a plugin actually adds. You create test cases, run a plugin or skill against them, score the runs, then run each case again without the plugin to compare the difference — a quick way to tell whether an extension is doing real work or just adding noise.

Fields Medalists warn AI benchmarks are misaligned with math

Twenty-five Fields Medalists, including Terence Tao, issued a statement warning that AI companies advancing by using solved math problems as a benchmark are badly misaligned with the goals of the mathematical community. Mathematics is about conceptual understanding and insight, they argue, not just answers. Mass-produced true-or-false conclusions, rushed publication, and weak citation of prior work threaten the field — and the same tension is spreading to other sciences and creative fields.

On AI extinction risk, listen to the right experts

Hugging Face CEO Clément Delangue pushed back on the way AI extinction risk is debated: asking someone outside the field is like asking your AC technician about climate change. The point is not that the concern is wrong, but that it deserves the full range of expertise from inside the ecosystem.

"I don't want to become a mathematician anymore."

A sentiment François Chollet hears often among math students — alongside his prediction that the digital artists who came of age around 2022 may be the last generation.

Sakana ships Fugu Ultra v2 and Fugu Max

Sakana AI released Fugu Ultra v2 and Fugu Max. Ultra v2 claims to surpass GPT-6 Astra and Claude Fable 5.1 on some benchmarks such as DeepSWE, while Max targets price-performance — adding models like Nemotron and pricing output 40–60% below GPT-5.6 Terra, Claude Sonnet 5, and Kimi K3. Both are available the same day through an OpenAI-compatible API.

Serving · InferenceModels
INFRA

Tailscale's model router runs on Vercel AI Gateway

Aperture gives any user in a tailnet instant access to hundreds of models based on identity, with zero data retention, zero markup, free BYOK, and cost-and-usage data on every response.

PRODUCT

Replit–Databricks integration reaches GA

Apps built with Replit Agent can deploy straight back to Databricks, inheriting existing security and governance, now with native Lakebase support.

DEMO

Astra retimes traffic lights with real camera data

Higgsfield used real traffic-camera data to simulate different light timings and rebuilt the streets in Blender to visualize how each change affects flow.

BENCHMARK

GPT Image 2.5 vs. Nano Banana Pro on 360° consistency

Higgsfield compares the two image models on generating consistent 360° character and room sequences from a single reference image per scene.

PRODUCT

Synthesia lets you build custom avatars from a prompt

Realistic presenters, branded mascots, or stylized characters can now be generated from a text prompt or fine-tuned panel controls, replacing stock figures.

SHIPPING

Cognition launches SWE-2, with SGLang's SpecForge involved

SGLang congratulated Cognition on the launch, noting SpecForge helped improve speculative-decoding acceptance rates within the training stack.

RESEARCH

Solaris: a world model for interfaces

A new demo shows a UI world model that generates interactive visuals in real time and responds to user actions.

DEALS

Replit buys a company built entirely on Replit

CEO Amjad Masad announced the acquisition and predicted it is only the first case of an AI-native company being bought.

OPINION

Andrew Ng: AI engineering decides what gets built

Ng argues that AI engineering skills let people influence what to build and drive the build loop, and shares a list of the key skills.

SECURITY

Datasette ships security releases after an AI audit

Two security updates follow an audit run with Claude Fable 5.1, GPT-5.6 Sol, and GPT-6 Astra; public instances using auth plugins should upgrade.

RISK

Forecasters peg AI catastrophe odds at 0.47% by 2030

An automated forecasting system from leading experts estimates a 0.47% chance of an AI-generated mass catastrophe by 2030, and a 1.1% chance of catastrophe from any cause.

EXPLAINER

Importance sampling, the workhorse of RL

A thread explains importance sampling as it appears throughout RL research — the PPO objective, the training-versus-inference mismatch, and more.

The ShortsSignal

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