# @v: How @akshaan built Trending Topics on Farcaster for $1/day in <1 hour

Source: https://farcaster.xyz/v/0x4f8d00cc
Kiwi News: https://news.kiwistand.com/stories/v-How-akshaan-built-Trending-Topics-on-Farcaster-for-dollar1day-in-andlt1-hour?index=0x6843ff1523dc6506443a7d6e717a3c5b49f951db250db241b3bf3ecba826a5931fe97c8e
Submitted by @timdaub.eth on 2025-06-07 UTC, 1 upvote, 0 comments

A quick overview of how @akshaan built Trending Topics on Farcaster. 

1. Casts are selected and preprocessed daily. 
2. Model categorizes thousands of casts with a prompt. 
3. Topics are post-processed, merged and winners are picked

It costs about $1/day and runs in < 1 hour.