OpenAI 2026 hackathon

LiveNode Decision Trace

AI gives answers. Decision Trace preserves why—turning meeting transcripts into evidence-backed decisions and next actions.

Solo project by Takahiro Nochi · 13 likes · 0 comments

Archive position — measured, not model output

13 likes on Devpost

7 of the 7,856 archived projects have more likes and no other project has exactly 13, so #8 in the like-ranked listing is this project's own place.

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

LiveNode Decision Trace is a self-reported AI-powered tool that processes meeting transcripts or idea memos (in English or Japanese) and extracts decision-making traces from them. The system claims to preserve not just answers but reasoning processes—such as assumptions, criteria, rejected options, and next actions—into structured Markdown files. It uses two OpenAI models in sequence: one for detecting decision topics, another for generating trace content. The output is designed to be human-readable (Decision Trace) or AI-reusable (KX Note), with grounding verified against the source text.

What changed

The project was submitted as part of an OpenAI hackathon and is described as a proof-of-concept demo built using Cloudflare Workers, Next.js, TypeScript, and various OpenAI APIs. It is not reported to have any revenue, customers, or production deployment beyond this demo.

Single most important open question

Is there evidence that the tool has been used in real-world settings by decision-makers who would value its output? The description states no traction, no users, and no commercialization beyond a demo.

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What The Product Actually Is

The description states that LiveNode Decision Trace is a system that:

  • Takes meeting transcripts or idea memos (up to 30,000 characters) as input.
  • Identifies up to five decisions within the text using AI.
  • Generates two types of Markdown output:
    • A six-part human-readable "Decision Trace" (Situation, Assumptions, Criteria, Options, Recommendation, Next actions).
    • A five-part AI-reusable "KX Note" (Claim, Evidence, Data, Constraints, Links).
  • Verifies that each item in the trace is either a verbatim excerpt from the source or marked as an explicit inference.
  • Uses a two-model pipeline: gpt-5.4-nano for topic detection and gpt-5.6-luna for trace generation.
  • Is deployed via Cloudflare Workers, built with Next.js and TypeScript.

This is a self-reported tool that processes unstructured text into structured reasoning artifacts.

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Positioning & Claim Evolution

The description states:

  • The product is positioned as an “intermediate layer” between a general-purpose LLM and the human using it.
  • It aims to preserve judgment processes—what the person considered, trusted, and rejected—rather than just final answers.
  • It supports continuity across projects and AI tools by producing portable Markdown.
  • The system is described as enabling “FUSION” between human and AI through a preserved reasoning framework.

These claims are self-reported and not independently verified. They describe an intent to preserve reasoning over memory, but do not indicate adoption or traction.

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Target Customer & ICP

The description does not state who the target customer is. It only says:

  • The tool accepts idea memos or meeting transcripts.
  • It supports English or Japanese.
  • It is designed for users who want to capture and reuse reasoning processes.

No explicit ICP (Ideal Customer Profile) is defined, nor are any personas or use cases described beyond a general-purpose AI assistant or decision-making tool.

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Business Model & Pricing Evidence

The description states:

  • The system is deployed as a web demo.
  • No pricing information is provided.
  • There is no mention of monetization, subscriptions, or paid features.
  • It is presented as a hackathon submission with no commercialization described.

No evidence of a business model or pricing structure exists in the description.

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Technical & Delivery Signals

The description states:

  • Built with Cloudflare Workers, Next.js, TypeScript.
  • Uses OpenAI APIs (gpt-5.4-nano and gpt-5.6-luna).
  • Implements strict schema validation using Zod.
  • Input is validated and rate-limited at the server level.
  • Output is deterministic and generated only from validated results.
  • No database or account system—stateless design.
  • Uses Vitest for unit tests and Playwright for browser flows.

These are self-reported technical details. The system is described as safe to run in public, with no data retention or secrets exposed.

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Traction & Maturity Signals

The description states:

  • It is a demo built for an OpenAI hackathon.
  • No revenue, customers, or adoption metrics are mentioned.
  • The demo is hosted at a public URL.
  • There is no mention of user feedback, usage analytics, or product iteration beyond the demo.

No traction or maturity signals are evident.

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Competitive Context

The description does not provide any information about competitors. It does not name similar tools or describe how LiveNode Decision Trace compares to existing AI reasoning or decision-tracing systems.

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Key Risks & Red Flags

  • No evidence of real-world use: The system is described only as a hackathon demo with no users or adoption.
  • Unproven commercial viability: No pricing, monetization, or business model is described.
  • Self-reported claims without verification: All features and design decisions are stated by the author without external corroboration.
  • No product-market fit signal: The tool does not appear to have been tested in real decision-making contexts.
  • Limited scope of output: Only one user (the founder) is mentioned, with no team or customer base.

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Diligence Questions To Ask The Founders

  1. What specific use cases are you targeting, and how do you know these users exist?
  2. Have you tested the system with actual decision-makers in real meetings or workflows?
  3. How do you plan to monetize this tool if it's not currently generating revenue?
  4. What is your roadmap for moving beyond a demo into a product that can be used at scale?
  5. Are there any existing tools in this space, and how does LiveNode Decision Trace differ from them?

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Investment/Partnership Verdict

The description presents LiveNode Decision Trace as a hackathon demo with no evidence of traction, revenue, or commercialization. The system is described as a proof-of-concept that processes text into structured reasoning artifacts using AI models and Markdown output.

Confidence: Low

There is no evidence to suggest this project has moved beyond the idea stage or has any commercial viability or adoption. It is not evidenced to be a product with users, customers, or revenue. The claims are self-reported and unverified.

Verdict Not ready for investment or partnership consideration at this time.

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Customer Segments

evidenced

The description states: "LiveNode transforms not only a person's knowledge but also the path of their judgment into a form AI can reference, serving as an intermediate layer that mediates FUSION between human and AI."

This implies the primary customer segment is individuals or teams who engage in decision-making processes that involve AI tools, particularly those looking to preserve and reuse reasoning patterns.

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Value Propositions

evidenced

The description states: "AI gives answers. Decision Trace preserves why—turning meeting transcripts into evidence-backed decisions and next actions."

This directly articulates the value proposition: capturing not just the outcome of decisions but also the reasoning process behind them, making it possible to reference past judgments in future AI interactions.

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Channels

evidenced

The description states: "We built a one-page Next.js and TypeScript application and deployed it to Cloudflare Workers through OpenNext."

This indicates that the channel for delivering the service is via a web-based application hosted on Cloudflare Workers, accessible through a browser interface.

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Customer Relationships

inferred

Based on the description stating: "The application is deliberately stateless: there is no account, database, or memo analytics," it can be inferred that customer relationships are minimal or non-existent in terms of persistent user accounts or tracking systems. The relationship is likely transactional and ephemeral.

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Revenue Streams

not evidenced

There is no mention in the description of how revenue would be generated from this service. No pricing model, monetization strategy, or business model details are provided.

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Key Resources

evidenced

The description states: "Built with (author-declared): cloudflare-workers, codex, gpt-5.6, next.js, openai, openai-responses-api, opennext, playwright, typescript, vitest, zod"

These technologies represent the key resources used in building and operating the service.

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Key Activities

evidenced

The description states: "Paste a one-hour meeting transcript. Decision Trace finds up to five decisions buried inside, you approve them, and moments later you have a ZIP of Markdown files—each showing the situation, assumptions, criteria, rejected options, recommendation, and next actions."

This outlines the core activity: processing transcripts or memos to extract decision-making processes and generate structured outputs.

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Key Partnerships

inferred

From the description stating: "We use a two-model pipeline: gpt-5.4-nano cheaply detects decision-bearing topics in untrusted transcript segments, then gpt-5.6-luna generates each trace through the OpenAI Responses API with strict structured outputs and reasoning effort none," it can be inferred that partnerships with AI model providers (specifically OpenAI) are key to the operation.

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Cost Structure

inferred

Based on the description's mention of using "gpt-5.4-nano" and "gpt-5.6-luna" models, as well as "OpenAI Responses API," it can be inferred that the cost structure includes usage fees for AI model services, though specific costs are not detailed.

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Evidence & Gaps

  1. Customer Segments: evidenced - Based on the statement about transforming judgment processes for human-AI fusion.
  2. Value Propositions: evidenced - Directly stated as preserving "why" behind decisions.
  3. Channels: evidenced - The application is built with Next.js and deployed to Cloudflare Workers.
  4. Customer Relationships: inferred - Inferred from the lack of accounts or analytics, suggesting minimal persistent relationships.
  5. Revenue Streams: not evidenced - No information provided about monetization.
  6. Key Resources: evidenced - Listed technologies used in development and deployment.
  7. Key Activities: evidenced - Described the process of extracting decisions from transcripts.
  8. Key Partnerships: inferred - Inferred from reliance on OpenAI models for processing.
  9. Cost Structure: inferred - Inferred from usage of AI services, but specific costs not detailed.

Questions that would convert inferred blocks into evidenced ones:

  1. For Customer Relationships: What specific mechanisms exist for ongoing interaction with users?
  2. For Revenue Streams: How does the project intend to monetize its service?
  3. For Key Partnerships: Are there formal agreements or contracts with AI providers?
  4. For Cost Structure: What are the actual financial costs associated with running this service?

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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.