OpenAI 2026 hackathon

RecipeLab

RecipeLab helps food creators develop better recipes through Versions—preserving what changed, what happened, and what to try next instead of overwriting the learning between cooking attempts.

Solo project by Rui Zhang · 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 #1,787 place in the like-ranked listing is a tie-break inside that group, not a ranking.

Projects (log scale)

1
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1k
10k
05,592
11,758
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3–4132
5–975
10+14

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

RecipeLab is a self-reported mobile application for food creators who develop recipes through repeated cooking attempts. The author describes it as a private workspace that preserves version history of recipe development, allowing users to track changes between cooking attempts and make informed decisions about future versions.

What changed

The project was built during OpenAI Build Week using GPT-5.6 in Codex, with the author stating that this AI tool enabled a continuous design-to-implementation loop that accelerated development significantly. The product model evolved from an engineering form to a polished iOS-first interface through iterative refinement guided by AI.

Single most important open question

Does preserving version history during recipe development actually help food creators make better next attempts, or is this a solution in search of a problem?

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What The Product Actually Is

The description states that RecipeLab is:

  • A private mobile workspace for food creators and serious cooks
  • An Expo and React Native mobile application with Supabase backend
  • Designed to preserve history between cooking attempts
  • Not focused on collecting or publishing finished recipes, but on recipe development
  • Built around the concept of "A Recipe is the dish. Every cooking attempt is a Version"
  • Capable of creating, organizing, comparing, and preserving multiple versions of recipes

The author describes it as an MVP that supports an end-to-end loop: Create → Cook → Capture → Adjust → Compare → Final.

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Positioning & Claim Evolution

The description states:

  • The product was inspired by the author's own experience running a food YouTube channel
  • The core idea emerged from the problem of scattered recipe development across multiple tools (Apple Notes, notebooks, photos, memory)
  • The positioning is that most recipe apps focus on finished recipes, while RecipeLab focuses on recipe development
  • The author claims to have built the product through collaboration with Codex and ChatGPT
  • The evolution shows a shift from "engineering form" to "calm kitchen tool"
  • The author emphasizes that the product model was not about declaring automatic winners but presenting evidence neutrally

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Target Customer & ICP

The description states:

  • Food creators who develop recipes through repeated cooking attempts
  • Serious cooks who develop the same dish across multiple attempts
  • Specifically mentions the author's own use case as a food YouTube channel creator (Meals with Rui)
  • The target is described as "food creators and serious cooks" rather than general consumers

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Business Model & Pricing Evidence

Not evidenced. The description does not contain any information about pricing, monetization strategy, or business model.

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Technical & Delivery Signals

The description states:

  • Built with Expo and React Native mobile application
  • Supabase backend for authentication, Postgres data, atomic save operations, and image storage
  • In-memory demo service that follows same Recipe and Version boundaries
  • Used Codex and ChatGPT for development assistance
  • GPT-5.6 was used in Codex during OpenAI Build Week to enable continuous design-to-implementation loop
  • Implemented explicit save boundary and atomic Supabase operations for reliable saves
  • UI challenges were overcome through visual review loops with AI assistance
  • 70 committed test files covering product, interaction, layout, and regression contracts

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Traction & Maturity Signals

Not evidenced. The description does not contain any information about revenue, customers, usage metrics, or traction beyond the author's own use case.

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Competitive Context

Not evidenced. The description does not contain any information about competitors, market positioning, or competitive landscape.

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Key Risks & Red Flags

The description states:

  • The hardest challenge was protecting a simple product model while building a deep application
  • Save reliability was a major challenge requiring atomic operations
  • UI was difficult and required significant iteration to avoid feeling like an engineering form
  • Risk of attracting distracting features that don't test the core question
  • No external validation or market demand proven yet
  • The author explicitly states they do not want to present founder use as external validation

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Diligence Questions To Ask The Founders

  1. What specific evidence shows that preserving version history actually improves recipe development outcomes?
  2. How does the product handle data privacy and ownership for users' recipe development records?
  3. What are the actual technical limitations of the current MVP that would need to be addressed before broader adoption?
  4. How do you plan to validate whether the core problem exists beyond your own use case?
  5. What is the expected timeline for moving from pilot testing to a commercial product?
  6. How does the current mobile-only approach impact potential market reach and scalability?

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Investment/Partnership Verdict

Not evidenced. The description does not contain any information about funding, investment status, or partnership opportunities. The author states that the project currently proves functional delivery and firsthand utility in their own workflow but does not yet prove broad market demand.

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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.