$100 AI Builder ChallengeBuild useful AI for real businesses.

Builders make AI tools for real businesses. Use a business you know or get matched with one. The business must use or test your tool. Rainlight matches you, judges the best builds, and shows the results.

Join the Discord

Who is this for?

For builders

Build an AI tool for a real business. Use a business you know or get matched with. They must use or test your tool. No simple templates. Win the $100 prize.

For businesses

Share a repetitive task or problem. We may match you with a builder to make a tool for you.

For viewers

Watch demos, vote for the best builds, and see how real businesses use AI.

The Timeline

Jul 8–14, 2026

Signups open

Builders and businesses sign up. Leon chooses the best matches.

Jul 15, 2026

Matching day

We match builders and businesses. We also approve builders using their own business.

Jul 16–29, 2026

Build period

Builders make their tools. They post updates in our Discord.

Jul 30, 2026

Deadline

Send your demo video and proof by 23:59 UTC.

Jul 31–Aug 2, 2026

Voting and judging

The community votes. Leon reviews all demos.

Aug 3, 2026

Winner announced

We contact the winner privately to send the prize.

Prize and Payment

One winner gets $100 USD.

Global: We pay via PayPal or crypto where possible.
Kenya: We can pay via M-Pesa. This is KES 12,900 at 129 KES per USD.
You must provide correct payment details. You pay any fees or taxes.

Voting

Popularity alone does not decide the winner.

Rainlight judges: 70%. We judge how useful and well-made your tool is.
Community vote: 30%. People vote on Discord or a free form.
We will remove fake or spam votes.
We may give a shoutout to the community favorite.

Rules

You must sign up using the form.
You can work alone or in a team of 2.
Use any AI, code, or no-code tools like n8n, Make, Cursor, or Zapier.
Your tool must be for a real business. The business must use or test it. Simple templates with no real users do not count.
You can build for a business you know. Or you can get matched with one that signed up here.
You must submit a demo video and proof.

Do not steal work.
Do not share private data, API keys, or payment details.
We will disqualify spam, stolen work, unsafe tools, or fake votes.
We may share your work and give you credit.

Submit Your Signup

Select your track and fill in the form. We will invite you to build once you match.