I Stopped Asking AI to Split the Bill: SettleSloth Extracts Group-Chat Expenses with Gemma 4, and Deterministic Code Audits Every Rupee

Description and use

<p><em>This is a submission for the <a href="https://dev.to/challenges/hacktoberfest-week3-2026-10-19">Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady</a></em></p> <h2> What I Built </h2> <p>Every group trip, flatmate bill split, or midnight hackathon food run ends with the same procrastinated chore: scrolling through a chaotic WhatsApp or Telegram thread to figure out who owes whom. </p> <p>Nobody writes clean accounting entries in a group chat. People type messages like:</p> <ul> <li><code>"Rahul: Paid 2.4k for beach shack dinner last night"</code></li> <li><code>"Priya: Paid

Problem

<p><em>This is a submission for the <a href="https://dev.to/challenges/hacktoberfest-week3-2026-10-19">Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady</a></em></p> <h2> What I Built </h2> <p>Every group trip, flatmate bill split, or midnight hackathon food run ends with the same procrastinated chore: scrolling through a chaotic WhatsApp or Telegram thread to figure out who owes whom. </p> <p>Nobody writes clean accounting entries in a group chat. People type messages like:</p> <ul> <li><code>"Rahul: Paid 2.4k for beach shack dinner last night"</code></li> <li><code>"Priya: Paid

Outcome

<p><em>This is a submission for the <a href="https://dev.to/challenges/hacktoberfest-week3-2026-10-19">Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady</a></em></p> <h2> What I Built </h2> <p>Every group trip, flatmate bill split, or midnight hackathon food run ends with the same procrastinated chore: scrolling through a chaotic WhatsApp or Telegram thread to figure out who owes whom. </p> <p>Nobody writes clean accounting entries in a group chat. People type messages like:</p> <ul> <li><code>"Rahul: Paid 2.4k for beach shack dinner last night"</code></li> <li><code>"Priya: Paid

Evidence

I Stopped Asking AI to Split the Bill: SettleSloth Extracts Group-Chat Expenses with Gemma 4, and Deterministic Code Audits Every Rupee

Source