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WebAI

noun

also Web AI or WebAI API

TopicBuilding with AI First known use2026 Senses1

Definition of WebAI

  1. : a proposed web standard and set of browser APIs that let websites and extensions use artificial intelligence models running locally on a user's device instead of sending each request to a cloud AI service

    • The note-taking site used WebAI to summarize a private document without uploading the text to an external model provider.
    • A browser extension can use the WebAI API for local text generation, classification, or semantic comparison when a compatible model is available.
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Origin & history

first known use2026

Opera introduced WebAI in October 2026 as an early-preview implementation of a proposed web standard for local browser AI. The proposal grew out of Opera's earlier experiments with on-device models and exposes browser APIs for prompts, decisions, and semantic embeddings.

Editorial references

Sources & further reading

3 sources
  1. WebAI: Local AI for the web, now in Opera Opera · 2026-10-27
  2. Web AI in Opera Opera · 2026-10-27
  3. Opera introduces a new web standard to let users deploy AI locally in their browser TechCrunch · 2026-10-27

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Related terms

on-device AI AI that runs directly on a phone, laptop, car, or other device instead of in the cloud, which… WebMCP a proposed browser API that lets a website expose structured tools directly from its page so… open weights describing a model whose trained weights are published so anyone can download, run, and modify… inference the act of running a trained model to produce an output, such as answering a prompt or…

Cite this entry

"WebAI." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/webai/. Accessed 27 Oct. 2026.

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