Web ML WG/CG work in W3C

AI Agents and The Web breakout

Anssi Kostiainen
Intel's AC rep, WebML WG/CG chair

Sir Tim Berners-Lee doesn't think AI will destroy the web

Interview with TBL on Nov 11, 2025

Web Machine Learning

🔗 https://webmachinelearning.github.io/

Web Machine Learning
Working Group

🧠 Low-level inference Web Neural Network API

😇 Ethical Principles for Web Machine Learning

Web Machine Learning
Community Group

Task-specific built-in AI APIs

💬 Prompt API
✍️ Writing Assistance APIs
🌍 Translator APIs
🔎 Proofreader API

🤖 Agentic WebMCP

🔮 Inference

WebNN API Built-in AI APIs
low level
⚙️🔨
high level
💬✍️🌍🔎
computational graph task-specific
bring your own model built-in models

🤖 Agentic

Agentic browsers WebMCP
proprietary agency to web developers
➖ { } JS API </> declarative
☁︎ cloud compute 💻 client compute
🔥 more energy & CO2 🌱 less energy & CO2

🌏 Web Machine Learning is For Everyone

🔗 https://webmachinelearning.github.io/community/#join

👏 Thank You

...to all our W3C participants, AI ecosystem leaders
Satya CEO Microsoft, Julien co-founder & CTO Hugging Face and others for your support. ❤️