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Stories

  • Gemini 4 Argon Hands-On Review: Capabilities and Performance

    Google’s Gemini 4 Argon promises stronger capabilities across creative, analytical, and document-heavy tasks. But how well does it perform in practice? From generating videos and building websites to analyzing data and reconciling conflicting documents, the model offers plenty to explore.

    Analytics Vidhya9 min read
  • Redesigning source control at Anthropic

    Redesigning source control at Anthropic Interesting piece from Anthropic describing why and how they built their own custom alternative to Git, based on the dramatic increase in rate of changes to their code after the past six months.

    Simon Willison3 min read
  • llm-gemini 0.35

    Release: llm-gemini 0.35 I added support to llm-gemini for the new Gemini 4 Argon model, made available today via the Gemini API and for customers of their $100/month subscription plan. Here are the low, medium and high pelicans.

    Simon Willison2 min read
  • LandingAI ADE vs ABBYY

    Compare LandingAI ADE and ABBYY by architecture, source grounding, human review, deployment, integration, pricing and best-fit workflows.

    Agentic Document Extraction Blog9 min read
  • Quoting Geoffrey Huntley

    If the agent isn't using my diagnostics library, I could introspect and update AGENTS.md, but there's still a delta, and it'll drift. Instead, I write a pre-commit hook that checks the git diff for direct calls to observability modules that bypass my diagnostics module.

    Simon Willison1 min read
  • OpenAI Decisions API Tutorial for Building Decision Agents

    Imagine building an AI agent that has to decide whether a customer complaint needs human intervention, which department should handle a query, or whether a submitted delivery photo is valid. Getting these decisions right matters.

    Analytics Vidhya8 min read
  • llm-meta-ai 0.2

    Release: llm-meta-ai 0.2 Meta AI release Muse Wonder (and Muse Wonder Full), their new "most capable models". These look like they may be Meta's first Fable class models - Artificial Analysis scores Muse Wonder (Max) as equivalent to GPT-6.1 Sol. I updated my llm-meta-ai plugin for the new model.

    Simon Willison2 min read
  • web-edit 0.1a0

    Release: web-edit 0.1a0 I was working on a project from my phone using Codex Remote when I found myself wanting to edit a credentials file without round-tripping those credentials through the LLM itself. So...

    Simon Willison2 min read
  • LLM Batching Explained: Static vs Dynamic vs Continuous Batching

    Imagine four people booking a ride to the same destination. If each person takes a separate taxi, four vehicles make the same trip. But if they travel together in a bus, everyone reaches the destination in a single trip. The bus carries more people at once and makes better use of the resources.

    Analytics Vidhya12 min read
  • How to Design Human-in-the-Loop Checkpoints for Autonomous AI Agents

    Autonomous AI agents can read requests, retrieve data, reason through options, and trigger actions in seconds. That speed is useful, but it also creates risk when the next step affects money, customer records, or external systems.

    Analytics Vidhya23 min read
  • Quoting The New York Times

    Anthropic detailed the activity of its A.I. agents in a blog post on Friday, without naming the targeted websites. But two sources with knowledge of the incidents said Anthropic’s A.I. agents had submitted 20 visa applications through a form available on the State Department’s website.

    Simon Willison1 min read
  • Quoting Matthew Green

    Everyone is very concerned about being respectable, so I’m going to be the goofball who raises worst-case possibilities. I think there is a 1% chance we live in Minicrypt, and a 15% chance we functionally lose confidence in our existing public-key encryption algorithms.

    Simon Willison1 min read
  • EmbeddingGemma 2: Text, Code, Images, Video and Audio in One Vector Space

    EmbeddingGemma 2 launched on October 6, 2026 under Apache 2.0. It is a sub-1B model built on Gemma 4 that maps text, code, images, video and audio into one 768-dimensional space. This article covers the architecture, the benchmarks, and runnable scripts to provide measured results.

    Analytics Vidhya15 min read
  • A new feature for my blog, built using my voice

    I shipped a new feature for my blog today: the Newsletters page, which offers an index of all of the newsletters I've sent out, both my free weekly Substack and my monthly sponsors-only updates. I built the feature almost entirely using my voice, chatting away to my laptop while I cooked dinner.

    Simon Willison6 min read
  • ttok 1.0

    Release: ttok 1.0 I released ttok 0.4, ran uv tool upgrade ttok, piped a file into the new version... and realized that it was defaulting to the GPT-4 tokenizer when it should very clearly default to GPT-5/GPT-6 instead! I figured switching the default was a reasonable excuse to finally ship a 1.0.

    Simon Willison2 min read
  • ttok 0.4

    Release: ttok 0.4 ttok is my CLI tool for counting tokens, using OpenAI's open source tiktoken library. It hasn't been in updated in a couple of years, but I finally fixed a Click warning, updated CI, and added a --list-models command to list available models.

    Simon Willison1 min read

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