OpenAI 2026 hackathon

Staylight

Stop searching from scratch. Staylight learns what makes a hotel right for you, remembers it, and turns endless listings into a shortlist that feels personally chosen.

Solo project by Lily Z · 0 likes · 0 comments

Archive position — measured, not model output

0 likes on Devpost

2,264 of the 7,856 archived projects have more likes, and 5,592 share exactly 0 — so this project's #6,954 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

Staylight is a self-reported personal hotel-selection assistant built as a mobile-first web application. The description states it aims to reduce repetitive hotel-search tasks by learning user preferences and using conversation to understand trip-specific needs, then filtering and ranking listings into a shortlist.

What changed

The project was submitted to the OpenAI 2026 hackathon. It is described as a prototype built with Next.js, React, TypeScript, and OpenAI API, with no evidence of prior traction or commercial deployment.

Single most important open question

Is there any evidence that Staylight has been tested with real users or deployed in a way that demonstrates utility beyond the prototype stage?

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What The Product Actually Is

The description states that Staylight is a mobile-first web application built using:

  • Next.js 15
  • React 19
  • TypeScript
  • OpenAI API
  • SerpApi
  • Zod for structured validation
  • A custom deterministic ranking and filtering engine

It uses GPT to conduct trip interviews and transform natural language into structured requirements, and to synthesize explanations. However, critical decisions like budget limits, deal-breakers, and ranking are enforced by deterministic code.

The app separates user needs into:

  1. Long-term preferences (e.g., value, location, cleanliness)
  2. Trip-specific needs (e.g., family travel, need for a desk)

It then filters and ranks hotels based on these inputs and generates explanations for the shortlist.

Evidence

  • The description states this is a prototype built for a hackathon.
  • It includes technical stack and architecture details.
  • No evidence of live deployment or user adoption beyond the author’s own account.

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Positioning & Claim Evolution

The description states that Staylight was built around the question:

“What if hotel search could learn what ‘right for you’ means?”

It positions itself as a personal hotel-selection assistant that:

  • Learns long-term preferences
  • Understands trip-specific needs through conversation
  • Turns overwhelming listings into a focused, explainable shortlist

The author claims it improves on traditional platforms by remembering why someone chooses one hotel over another — not just what they searched for.

Inference This is a self-reported positioning claim. The description does not include any evidence of user feedback or market validation that supports this differentiation.

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Target Customer & ICP

The description states that Staylight targets travelers who:

  • Repeatedly go through the same hotel-search process
  • Want to avoid “suffering long journeys” in booking
  • Value personalization and explanation of choices

It is described as a tool for people who want to reduce the friction of hotel selection by having an assistant remember their preferences and guide them through each trip.

Evidence

  • The description implies travelers are the target audience.
  • No specific personas, segments or customer types are named.
  • No evidence of actual user interviews or feedback.

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Business Model & Pricing Evidence

The description does not state anything about a business model or pricing. It only describes how the app works and what it does.

Evidence

  • No mention of monetization strategy.
  • No indication of whether Staylight is free, paid, or subscription-based.
  • No evidence of revenue streams or pricing tiers.

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Technical & Delivery Signals

The project is built with:

  • Next.js 15
  • React 19
  • TypeScript
  • OpenAI API
  • SerpApi
  • Zod for validation
  • A deterministic engine for filtering and ranking

It includes two modes:

  • Sample mode: Uses bundled hotel snapshots (Tokyo, Copenhagen, Paris) without external APIs.
  • Live mode: Retrieves real-time data via external search.

The app uses GPT for conversation and explanation but keeps critical logic in deterministic code. API keys are stored server-side and not exposed to the client.

Evidence

  • The technical stack is detailed.
  • It shows an awareness of data handling, privacy, and API integration.
  • No evidence of scalability, performance metrics, or production deployment.

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Traction & Maturity Signals

The description states that Staylight was built for a hackathon (OpenAI 2026). It is described as a prototype with no evidence of:

  • Live users
  • Revenue
  • Customer adoption
  • Product-market fit
  • Deployment beyond the development environment

Evidence

  • Not evidenced.

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Competitive Context

The description does not mention any competitors or how Staylight compares to existing hotel booking platforms. It only states that traditional platforms “may remember what users searched for, but they rarely remember why someone chooses one hotel over another.”

Evidence

  • No competitive analysis.
  • No evidence of market research or benchmarking.

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Key Risks & Red Flags

  1. Prototype-only status: The project is described as a hackathon submission with no evidence of real-world use or testing.
  2. No commercial traction: There is no evidence of revenue, users, or adoption.
  3. Unverified claims: All positioning and functionality are self-reported without independent verification.
  4. Limited scope: The app currently only supports sample data for a few cities; live mode depends on external APIs.
  5. Dependence on third-party tools: Reliance on SerpApi and OpenAI API introduces potential risks around availability, cost, and control.

Evidence

  • Not evidenced.

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Diligence Questions To Ask The Founders

  1. What is the actual user feedback or testing done so far?
  2. Has Staylight been tested with real travelers in a non-hackathon setting?
  3. How does the app handle edge cases in conversation (e.g., ambiguous or contradictory inputs)?
  4. Are there plans to integrate more data sources or APIs beyond SerpApi?
  5. What is the long-term vision for monetization and product development?

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Investment/Partnership Verdict

Not evidenced.

The description provides no evidence of:

  • Revenue
  • Customers
  • Product-market fit
  • Traction
  • Commercial viability

It is a self-reported prototype built for a hackathon with no indication of commercial readiness or market validation.

Confidence Low. The project is described as a proof-of-concept, not a product in the market.

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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.