Simon Willison news

The latest AI and developer news from Simon Willison, with short summaries.

OpenAI has released GPT-5.4-Cyber along with an identity-verified cyber access program.

·2026.04.15 06:00

AI-powered security review becomes more effective in proportion to the amount of tokens invested, changing the economic paradigm of security.

·1·2026.04.15 04:00

Steve Yegge's criticism of Google's AI adoption was directly rebutted by people inside Google.

·2026.04.14 05:00

An example of transcribing Gemma 4 E2B audio on macOS using MLX and mlx-vlm.

·2026.04.13 08:00

Simon Willison introduces a $10/month sponsor subscription and a monthly LLM briefing.

·1·2026.04.11 04:00

ChatGPT's voice mode doesn't use the latest model, but a weaker one from the GPT-4o era.

·2026.04.11 00:00

You can instantly check a repository's size via the GitHub API and share it by URL.

·2026.04.10 06:00

Meta unveiled Muse Spark and revealed the 16 tools of the meta.ai chat.

·2026.04.09 08:00

China's Z.ai has released GLM-5.1, an open-weight model with 754B parameters.

·2026.04.08 06:00

Anthropic has released Claude Mythos in a limited launch for security professionals, equipped with powerful cybersecurity capabilities.

·1·2026.04.08 05:00

Google has launched 'Google AI Edge Gallery,' an official app that lets users run Gemma 4 models locally on iPhone.

·2026.04.06 14:00

Linux kernel security reports are surging due to low-quality AI-generated reports.

·2026.04.04 06:00

Google DeepMind has released the new Gemma 4 series of open models supporting vision and audio.

·1·2026.04.03 03:00

The llm-gemini plugin has been updated to support Gemini 3.1 and Gemma 4 models.

·1·2026.04.03 03:00

datasette-extract 0.3a0 introduces model configuration management via datasette-llm.

·1·2026.04.01 12:00