OpenAI 2026 hackathon

Listening Delta

An AI-assisted listening experience that turns a first observation into a deeper second listen.

Solo project by shinichi-twoth SHINICHI SUDA · 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 #5,018 place in the like-ranked listing is a tie-break inside that group, not a ranking.

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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

Listening Delta is a self-reported web application that uses AI to support deeper listening through a two-pass experience. The author describes it as an experimental tool designed to cultivate attention rather than generate content or provide answers.

What changed

The project was submitted to the OpenAI 2026 hackathon, indicating a development phase focused on experimentation and prototyping. It is described as a lightweight web app built with Next.js, TypeScript, and GPT-5.6, deployed via Vercel.

Single most important open question

Is there evidence of traction, revenue, or customer adoption beyond the author's self-description?

Note: This analysis is based entirely on the self-reported description provided by the author. No external verification, archived data, or third-party sources are available. All claims are attributed to the project description and labeled as such.

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What The Product Actually Is

The description states that Listening Delta is a "short, two-pass listening experience." It involves:

  • A user listening to a brief sound and writing what they noticed.
  • GPT-5.6 generating a personalized follow-up question based on that observation.
  • The user observing the sound through a real-time stereo X-Y vectorscope (visual representation of audio channels).
  • The user listening again and recording what changed.
  • Both observations presented together as a "Listening Delta."

The system integrates:

  • Next.js
  • TypeScript
  • OpenAI Responses API with GPT-5.6
  • Web Audio API for the vectorscope
  • Vercel for deployment

It is described as an open-source project under MIT License.

Claim: The product is a web-based tool using AI to guide attention during listening.

Evidence: Author's own write-up.

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Positioning & Claim Evolution

The author positions Listening Delta as an experiment in "cultivating attention" rather than generating content or answering questions. Key claims include:

  • AI is used not to interpret sounds but to help listeners notice more for themselves.
  • The system avoids evaluation, grading, or replacement of human judgment.
  • It aims to create conditions for perception rather than replace it.

The project reflects a broader interest in "creating the conditions for perception" and explores how AI can introduce a "productive pause" or new perspective without producing final artifacts.

Claim: Listening Delta is positioned as an experimental tool focused on attention cultivation.

Evidence: Author's own write-up.

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Target Customer & ICP

The description does not identify specific target customers or personas. It mentions possible future directions such as:

  • Facilitators, educators, artists, and listening workshops
  • Supporting different kinds of sounds and listening exercises
  • Allowing users to revisit past Listening Deltas

However, no explicit customer segments are named.

Claim: No defined ICP or target customer identified.

Evidence: Not evidenced.

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Business Model & Pricing Evidence

There is no evidence of a business model or pricing structure in the description. The project is described as open-source and deployed to production, but there is no mention of monetization, subscriptions, or fees.

Claim: No business model or pricing information provided.

Evidence: Not evidenced.

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Technical & Delivery Signals

The product was built using:

  • Next.js
  • TypeScript
  • OpenAI Responses API with GPT-5.6
  • Web Audio API for vectorscope visualization
  • Vercel for deployment

It is described as a lightweight web application, deployed to production and released under MIT License.

Claim: The technical stack includes modern web technologies and AI integration.

Evidence: Author's own write-up.

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Traction & Maturity Signals

There is no evidence of traction, revenue, or customer adoption. The project is described as a hackathon submission and an open-source tool with no mention of users, customers, or usage metrics.

Claim: No traction or maturity signals.

Evidence: Not evidenced.

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Competitive Context

The description does not reference competitors or similar products in the market. It focuses on the unique positioning of AI as a facilitator of attention rather than an interpreter or generator.

Claim: No competitive context provided.

Evidence: Not evidenced.

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Key Risks & Red Flags

  • The project is described as a hackathon submission, suggesting it may be in early development or experimental phase.
  • There is no evidence of revenue, customers, or product-market fit.
  • The use of GPT-5.6 raises questions about scalability and cost if the system were to expand beyond prototype status.
  • The lack of defined target users or business model suggests a high degree of uncertainty around commercial viability.

Claim: Risks include lack of traction, unclear monetization, and experimental nature.

Inference: Based on absence of evidence for key commercial signals.

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Diligence Questions To Ask The Founders

  1. What is the intended user base or market for this tool?
  2. Are there plans to monetize the product or expand beyond the current prototype?
  3. How would you scale the AI integration (e.g., GPT-5.6) if usage increased?
  4. What are your long-term goals for Listening Delta beyond the hackathon submission?
  5. Have you considered how this tool might be used in educational, therapeutic, or artistic contexts?

Note: These questions are based on the lack of evidence around commercial strategy and user adoption.

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Investment/Partnership Verdict

There is insufficient evidence to assess whether Listening Delta has investment or partnership potential. The project appears to be an experimental prototype submitted for a hackathon, with no demonstrated traction, revenue, or defined customer base.

Claim: No clear investment or partnership opportunity based on available information.

Evidence: Not evidenced.

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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.