OpenAI 2026 hackathon

DecisionLint

Find the decision risk no one asked about.

Solo project by yuto y · 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 #941 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

DecisionLint is a self-reported tool that claims to help organizations identify unasked-for risks in decision-making by scanning company evidence folders (e.g., operating, financial, governance documents) and returning three prioritized, supportable risks. It is described as not generic RAG but rather an early-stage intervention before user diagnosis, with structured outputs, risk mapping, and bounded experiment comparisons.

What changed

The project description indicates this is a hackathon submission (submitted to the OpenAI 2026 hackathon), suggesting it is in an early prototype or proof-of-concept phase. It has no evidence of revenue, customers, or traction beyond synthetic evaluations.

Single most important open question

Is there any evidence that DecisionLint has been used in real-world settings with actual organizational data, or does it remain a synthetic demonstration?

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What The Product Actually Is

The description states that DecisionLint:

  • Scans company evidence folders (operating, financial, delivery, governance, continuity, people-system) without a leading question.
  • Returns exactly three supportable risks with categorical priority.
  • Separates claims into OBSERVED, INFERRED, HYPOTHESIS, COUNTEREVIDENCE, UNKNOWN, and SCENARIO.
  • Resolves observations to exact source spans.
  • Creates a one-screen Decision Brief for the priority risk.
  • Compares maintaining current state, broad intervention, and bounded experiment across eight decision axes.
  • Traces every experiment value to evidence, design assumption, safety constraint, configurable default, or approval still needed.
  • Maps related risks with typed edges linked to evidence.

It also includes:

  • A responsive English interface and a Japanese companion.
  • A zero-dependency local Python service.
  • Bounded in-memory Office/text ingestion.
  • Local Preflight for no-key judging.
  • Optional two-stage GPT-5.6 Responses API path, with structured-output discovery and deep-dive calls.
  • Strict schema validation, citation resolution, prompt-injection checks, source-authority verification, counterevidence handling, and decision-support checks before display.

Inference The product is described as a local or semi-local system that uses AI to analyze organizational documents and surface risks. It is not a hosted SaaS offering but rather a tool that can be run locally with synthetic data.

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Positioning & Claim Evolution

The description states:

  • DecisionLint intervenes one step earlier than conventional assistants by identifying risks before the user’s diagnosis.
  • It is not generic RAG, but rather a structured risk discovery system.
  • The goal is to find “the decision risk no one asked about.”
  • It supports bounded experiments and avoids overreaction or blame.

Inference The positioning is that of an AI-powered decision support tool for enterprise risk identification. It is positioned as a proactive, non-blaming, evidence-based assistant to help leaders make better decisions by surfacing hidden risks.

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Target Customer & ICP

The description states:

  • The product targets companies with evidence folders (operating, financial, governance, etc.).
  • It supports whole-company, folder, or file-level analysis.
  • It is designed for operators who can add files and scope decision workspaces.

Inference The target customer appears to be internal decision-makers or risk managers in large enterprises or organizations with structured documentation. The ICP is likely a small team or individual within an organization who has access to internal documents and wants to assess risks without being led by a pre-existing question.

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Business Model & Pricing Evidence

Not evidenced.

Inference There is no indication of pricing, monetization strategy, or business model in the description. The product is described as a hackathon submission with no commercial deployment.

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Technical & Delivery Signals

The description states:

  • Built with codex, CSS, GPT-5.6, HTML, JavaScript, OpenAI Responses API, Python.
  • Includes a responsive English interface and Japanese companion.
  • Zero-dependency local Python service.
  • Bounded in-memory Office/text ingestion.
  • Local Preflight for no-key judging.
  • Optional two-stage GPT-5.6 Responses API path with strict structured output.
  • All generated output must pass schema, citation-resolution, prompt-injection, source-authority, counterevidence, and decision-support checks before display.

Inference The system is built as a local or semi-local tool, with optional AI integration via GPT-5.6. It emphasizes safety and structured outputs, suggesting a focus on accuracy and traceability in risk analysis.

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Traction & Maturity Signals

Not evidenced.

Inference There is no evidence of revenue, customers, usage, or adoption beyond synthetic testing and a demo video. The project is described as a hackathon submission with no real-world impact claimed.

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Competitive Context

Not evidenced.

Inference No mention of competitors or market positioning beyond the claim that it's not generic RAG. It appears to be in a nascent stage, without clear competitive differentiation or market presence.

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Key Risks & Red Flags

  • The product is described as a hackathon submission with no real-world usage.
  • No evidence of revenue, customers, or adoption.
  • The demo uses synthetic data and does not claim to have used real company documents or employee data.
  • The system relies on GPT-5.6, which may introduce hallucination or misalignment risks.
  • The product is described as a local tool with no indication of scalability or enterprise deployment.

Inference The main risk is that the product remains unproven in real-world settings and may not scale beyond synthetic testing. It also lacks commercial traction or evidence of market fit.

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Diligence Questions To Ask The Founders

  1. What are the actual use cases for DecisionLint beyond the synthetic demo?
  2. Has it been tested with any real organizational data or internal documents?
  3. How does it handle edge cases in document ingestion or AI interpretation?
  4. What is the plan for scaling beyond a local prototype?
  5. Are there any plans to integrate with existing enterprise tools (e.g., Confluence, SharePoint)?
  6. What are the limitations of the current GPT-5.6 integration in terms of accuracy and bias?

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Investment/Partnership Verdict

Not evidenced.

Inference Given that this is a hackathon submission with no evidence of traction, revenue, or real-world usage, there is insufficient basis to recommend investment or partnership at this time. The product shows potential but lacks commercial proof-of-concept.

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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.