OpenAI 2026 hackathon

ClearSubscription

ClearSubscription turns the subscription receipts already buried in your inbox into a single, confirmed view of what you're paying for — so you find out in time to cancel, not two days too late.

Team of 3 · 1 likes · 0 comments

Archive position — measured, not model output

1 like on Devpost

506 of the 7,856 archived projects have more likes, and 1,758 share exactly 1 — so this project's #812 place in the like-ranked listing is a tie-break inside that group, not a ranking.

Projects (log scale)

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Likes on Devpost. ▲ marks this project's group.

Show the figures
LikesProjectsShare of archive
05,59271.2%
11,75822.4%
22853.6%
3–41321.7%
5–9751.0%
10+140.2%
Devpost like counts for all 7,856 archived projects, captured when this archive was built.

Executive Summary

What the company appears to be

ClearSubscription is a self-reported subscription management tool that reads billing receipts from a user's Gmail inbox and presents them in a structured dashboard. It uses GPT-5.6 for extraction, with an emphasis on user confirmation of data before it becomes "confirmed." The product is described as a personal utility, not a commercial service, and was built as a hackathon submission.

What changed

The project description does not indicate any prior version or evolution; it is presented as a new build. There is no evidence of prior traction, funding, or customer base.

Single most important open question

Is there any evidence that users actually sign up for the service, or that the product has been used beyond the demo mode?

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What The Product Actually Is

The description states that ClearSubscription:

  • Reads billing receipts already in a user's Gmail
  • Uses GPT-5.6 to extract structured data from those emails (vendor, amount, currency, cadence, dates)
  • Presents this data in a dashboard with evidence snippets for each item
  • Allows users to confirm or reject proposed records before they are added to a renewal calendar
  • Does not make decisions for the user; AI only proposes, user confirms
  • Operates without full inbox access—only read-only Gmail permission is requested when scanning
  • Includes a Try Demo mode that runs on fictional data

Inference The product appears to be a personal utility built as a proof-of-concept or hackathon project. It does not appear to be a commercial SaaS offering.

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Positioning & Claim Evolution

The author states:

  • The problem is that subscription charges are forgotten until renewal, often too late to cancel
  • The solution is to surface these receipts in a clear way before they renew
  • The tool is positioned as a "personal utility" that helps users regain control over their subscriptions
  • It emphasizes privacy and user control: no full inbox access, no automatic decisions, AI only proposes

Inference This is a self-reported positioning as a consumer-facing personal tool. There is no evidence of a commercial or enterprise positioning.

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Target Customer & ICP

The description states:

  • The target is someone who signs up for subscriptions and forgets about them
  • It is not described as targeting businesses or teams
  • The demo mode works without a Google account, suggesting it may be built for individual users

Inference The product appears to be aimed at individuals rather than enterprises. No specific ICP is defined beyond "users who sign up for subscriptions and forget about them."

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Business Model & Pricing Evidence

The description states:

  • The tool is described as a personal utility, not a commercial service
  • There is no mention of pricing or monetization
  • No evidence of revenue streams, customer acquisition costs, or monetization strategy

Inference No business model or pricing information is provided. It is unclear if this will ever be monetized.

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Technical & Delivery Signals

The description states:

  • Built with Next.js, auth.js, Gmail API, GPT-5.6, OpenAI Responses API, Tailwind CSS, TypeScript, Vercel
  • Uses Zod for validation and Vitest for testing
  • Implements metadata-only triage before any model call
  • Limits model input to sender, subject, date, and short excerpt
  • Uses structured output from GPT-5.6 with nullable fields and discarded malformed outputs
  • Tokens are encrypted in HTTP-only cookies

Inference The technical stack is consistent with a modern web application built for personal use. The implementation shows attention to privacy and data handling.

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Traction & Maturity Signals

The description states:

  • Team size: 3
  • Submitted to the OpenAI 2026 hackathon
  • No evidence of revenue, customers, or usage beyond the demo mode
  • No mention of user growth, retention, or adoption metrics

Inference There is no evidence of traction or maturity. It appears to be a prototype or proof-of-concept.

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Competitive Context

The description states:

  • No direct competitors are named
  • The tool is described as not being another app that "swallows your inbox"
  • It is positioned as a privacy-conscious alternative to subscription management tools

Inference There is no evidence of competitive analysis or market positioning against existing tools. The author does not reference any similar products.

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Key Risks & Red Flags

The description states:

  • No revenue, customers, or traction data
  • No pricing model or monetization strategy
  • No indication that users actually sign up for the service beyond demo mode
  • The tool is described as a hackathon submission

Inference The biggest risk is that this may not be a viable commercial product. It’s unclear if it will ever move beyond prototype status.

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Diligence Questions To Ask The Founders

  1. Is there any evidence of user sign-ups or usage beyond the demo mode?
  2. What is the plan for monetization, if any?
  3. How does the team intend to scale beyond a hackathon project?
  4. Are there any plans to integrate with other email providers or platforms?
  5. What are the technical limitations of GPT-5.6 in processing billing emails at scale?

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Investment/Partnership Verdict

The description states:

  • The project is a hackathon submission
  • No evidence of revenue, customers, or traction
  • No business model or pricing strategy described
  • It is presented as a personal utility, not a commercial product

Inference This appears to be a prototype or proof-of-concept. There is no evidence of a viable business or commercial potential at this time. The project does not meet the criteria for investment or partnership consideration based on the self-reported information.

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Source

Submitted to the OpenAI 2026 hackathon on Devpost. Project home on DevPost.

The analysis above was generated by a language model from the project's own one-line description. It is not independent research and contains no verified traction, revenue or customer data.