# Perplexity explains using Fast Search to ground answers in web pages

> Original title: When enabled, Fast Search results join state as evidence before the decision model answers. Pass a URL as the state to ask about a page.

- Source: Perplexity Developers
- Published: 2026-11-04T21:02:25.000Z
- Bad Influence: https://badinfluence.news/items/mzpyr5lqr36oiwo1rrv52k26y
- Original: https://x.com/perplexitydevs/status/2118086486319120793

## Summary

Perplexity says that when Fast Search is enabled, its results join the state as evidence before the decision model answers. Passing a URL as the state lets users ask about a specific page. Requests cost $0.001 per search and $0.02 per 1M tokens.

## Post

When enabled, Fast Search results join state as evidence before the decision model answers. Pass a URL as the state to ask about a page.

Requests are $0.001 per search and $0.02 per 1M tokens.

https://pplx.ai/web-grounded-docs

[Video](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Famplify_video_thumb%2F2118086465238478848%2Fimg%2FYE1aFS3jh0rtEsQZ.jpg&mode=thumb&exp=1794096000&sig=584e6249ced20d97)