OpenAI 2026 hackathon

STRIDAMI — AI-guided voice walks

STRIDAMI matches walkers by language and interests, then GPT-5.6 creates a personalized conversation route that makes daily steps social and enjoyable.

Solo project by Mariia Markina · 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 #6,999 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

STRIDAMI is a self-reported mobile app prototype designed to help users walk more by connecting them with compatible walking partners for remote, audio-only conversations. The app uses AI (GPT-5.6) to generate conversation prompts that guide interactions during walks, without recording or analyzing the actual conversation.

What changed

During OpenAI Build Week, the author extended STRIDAMI with GPT-5.6 integration via Supabase Edge Functions and Codex-assisted development. This included language-aware matching, AI route generation, bilingual localization, and improved privacy controls.

The single most important open question — the commercial due-diligence read

Is there a viable product-market fit or early traction to justify further investment or partnership? The description provides no evidence of revenue, users, adoption, or customer feedback beyond the author’s own claims.

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What The Product Actually Is

  • The description states that STRIDAMI is a bilingual social fitness app for finding walking companions.
  • Users can:
    • Choose between English or Russian before signing in;
    • Create profiles with conversation languages, interests, availability, and walking pace;
    • Set personal step and cardio goals;
    • Find compatible walkers using shared language and interests;
    • Send and accept walk requests;
    • Join audio-only walks from different locations;
    • Track progress and achievements;
    • Report or block other users.
  • A key feature is the AI Walk Route, generated by GPT-5.6 based on:
    • Shared conversation language;
    • Shared interests;
    • Planned walk duration.
  • The AI provides five progressive prompts to help start and continue conversations, but does not record or analyze the actual walk audio.

Inference The app is described as a mobile-first social fitness tool that combines movement goals with remote companionship through AI-guided conversation. It is built for solo walkers who want motivation and engagement during walks.

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Positioning & Claim Evolution

  • The description states that STRIDAMI aims to turn a solo walk into a shared experience, making it more enjoyable and motivating.
  • It positions itself as an alternative to traditional fitness trackers, which only count activity after the fact.
  • The author claims that GPT-5.6 helps users begin conversations without replacing them — emphasizing AI as a facilitator, not a replacement.

Inference The positioning is centered on social motivation and engagement, using AI to enhance rather than dominate the walk experience. It targets people who struggle with solo walking motivation.

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Target Customer & ICP

  • The description states that STRIDAMI is designed for people who:
    • Want to move more;
    • Struggle to stay motivated during long solo walks.
  • Users are expected to be:
    • Bilingual (English or Russian);
    • Interested in conversation and social interaction;
    • Active in fitness or wellness.

Inference The ICP appears to be health-conscious individuals who walk regularly but lack motivation for solo activity, particularly those who value language and interest-based matching.

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Business Model & Pricing Evidence

  • The description does not state any business model, pricing strategy, monetization plan, or revenue streams.
  • No mention of subscriptions, in-app purchases, advertising, or partnerships.

Not evidenced.

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Technical & Delivery Signals

  • Built with:
    • React Native + Expo for iOS and Android;
    • Supabase for authentication, database (PostgreSQL), Realtime data, Storage, Edge Functions;
    • Voximplant for native audio rooms;
    • GPT-5.6 via OpenAI API through Supabase Edge Functions;
    • Codex used as a development collaborator during Build Week.
  • Key technical decisions:
    • AI route generation is server-side, with no mobile exposure of OpenAI key;
    • Data sent to AI includes only user-selected context (language, interests, duration);
    • Structured Outputs used for reliable prompt generation;
    • Safety instructions prevent prompts involving sensitive topics.

Inference The technical stack suggests a privacy-first, scalable architecture, with server-side AI processing and minimal data exposure. The use of Codex implies an iterative, developer-driven development process.

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Traction & Maturity Signals

  • The description states that STRIDAMI existed before Build Week as a prototype.
  • During Build Week, the author added:
    • Language-aware matching;
    • AI route generation;
    • Bilingual localization;
    • Security and access control improvements.
  • No evidence of user base, active usage, or customer feedback is provided.

Not evidenced.

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Competitive Context

  • The description does not mention any competitors.
  • No market analysis, competitive landscape, or differentiation strategy is provided.

Not evidenced.

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Key Risks & Red Flags

  • No traction or revenue evidence: The app is described as a prototype with no confirmed users or monetization.
  • Unproven market fit: There is no data on whether users would actually engage with the product.
  • AI dependency risk: The core value proposition relies heavily on AI-generated prompts, which may not scale or be perceived as valuable by users.
  • Privacy claims vs. implementation: While privacy is emphasized, it’s unclear how well this is enforced in practice without independent verification.
  • Single-founder project: The team size is listed as 1, raising questions about execution capacity and scalability.

Inference The product is in an early prototype phase with no evidence of market traction or commercial viability. Risks include unproven demand, technical complexity, and lack of a clear monetization path.

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Diligence Questions To Ask The Founders

  1. What is the actual user engagement or feedback from the prototype?
  2. How many users have tried the AI route feature, and what was their experience?
  3. Are there any plans for monetization or revenue models beyond the prototype?
  4. What are the technical challenges in scaling audio sessions across multiple devices?
  5. How do you plan to validate market demand without real user data?
  6. What is the long-term vision for language support and geographic expansion?

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Investment/Partnership Verdict

  • The description indicates that STRIDAMI is a self-reported prototype with no verified traction, revenue, or customer base.
  • It is built using modern tools and privacy-conscious architecture, but lacks evidence of commercial viability or market validation.
  • The author’s claims about AI integration and user experience are self-reported and unverified.

Verdict Not evidenced. This project is in a pre-product-market-fit phase, with no clear indication of traction or commercial readiness. A follow-up investment or partnership would require further evidence of user engagement, product-market fit, and monetization strategy.

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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.