● OpenAI board member warns company is not on track to prevent catastrophic AI loss of control ● OpenAI Unveils GPT‑6 Astra: Record‑Breaking 3D Rendering, Loop‑Transformer Architecture ● OpenAI launches Agents API beta for long-running cloud agents ● OpenAI solves Navier-Stokes problem, sparking academic controversy over data use ● OpenAI Introduces ChatGPT for Financial Services ● The Waymo effect: AI making research less collaborative ● RTK Token Savings Debunked: Cost Benchmarks Disagree ● Ypsilanti Township Residents Protest Nuclear AI Data Center Proposal

Model

Claude Fable 5.1

4 stories mentioning Claude Fable 5.1, newest first. Follow to see new ones on your front page.

Generative AI & Models new

Claude Fable 5.1 shows longer, less hedged responses than Fable 5

Anthropic’s latest Claude model, Fable 5.1, has shifted its writing style compared with the earlier Fable 5. An analysis by Arena.ai of tens of thousands of high‑reasoning Text Arena outputs found the new version uses…

1 source

The Decoder
Agents & Tools new

Video Compressor Tool Using FFmpeg WebAssembly

This article introduces a new video compressor tool that allows users to compress videos directly in their browser. The tool uses FFmpeg compiled to WebAssembly, enabling users to upload a video file and generate…

1 source

Simon Willison
Generative AI & Models new

Claude Platform: Cost Reduction and Performance Improvement

Anthropic Engineering's Claude Platform has introduced new features to reduce costs and maintain or improve application performance. The key fixes include maximizing prompt cache hit rates, removing anti-patterns in…

1 source primary source

Anthropic Engineering
Generative AI & Models new

Datasette Security Patches Released

On September 11, 2026, Datasette, a database server, released two security patches: 1.0a39 and 0.65.4. These updates address vulnerabilities found through an extensive security audit conducted by Claude Fable 5.1,…

1 source

Simon Willison