OpenAI 2026 hackathon

MyAstro – Swiss Ephemeris Astrology Calculator

An AI-assisted astrology calculator built with ChatGPT and Codex, featuring Swiss Ephemeris, offline city search, and local chart calculations.

Solo project by Misha Chubenko · 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 #5,446 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

The description states that MyAstro is an AI-assisted astrology calculator built with ChatGPT and Codex, featuring Swiss Ephemeris, offline city search, and local chart calculations. It is described as a fully functional tool for generating natal charts using a local calculation engine.

What changed

This project was submitted to the OpenAI 2026 hackathon on Devpost. The author describes it as a personal development effort that leveraged AI tools like ChatGPT and Codex to build an application they had no prior experience in developing.

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

Is there any evidence of market demand or user adoption beyond the author’s own use case? The description does not indicate any revenue, customers, or traction beyond the hackathon submission.

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What The Product Actually Is

The description states that MyAstro is an AI-assisted astrology calculator built with ChatGPT and Codex. It includes:

  • Swiss Ephemeris integration
  • Local natal chart calculation engine
  • Offline database of approximately 291,000 cities and settlements
  • Automatic location search with aliases
  • Planet positions
  • House calculations
  • Aspect calculations
  • A modern responsive web interface

The author notes that the application was built using Node.js, HTML, CSS, JavaScript, and API integration. It is described as a tool capable of generating accurate natal charts entirely on a local calculation engine.

Evidence strength Self-reported and unverified. No independent validation or demonstration of functionality beyond the author's account.

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Positioning & Claim Evolution

The description states that MyAstro is an AI-assisted astrology calculator built with ChatGPT and Codex, featuring Swiss Ephemeris, offline city search, and local chart calculations.

It positions itself as a tool for generating natal charts using a local calculation engine and a large offline database of cities. The author emphasizes the use of AI tools in its development, suggesting a novel or accelerated approach to building such software.

Evidence strength Self-reported claims about positioning and evolution. No evidence of market feedback or product iteration beyond the hackathon submission.

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Target Customer & ICP

The description does not state who the target customer is. It implies that the tool is for individuals interested in astrology, particularly those seeking natal chart calculations. However, no specific segment or persona is defined.

Evidence strength Not evidenced. No indication of user personas, buyer profiles, or market segmentation.

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Business Model & Pricing Evidence

The description does not provide any information on pricing, monetization, or business model. It only describes the technical features and development process.

Evidence strength Not evidenced. No claims or data about revenue, pricing, or commercial viability.

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Technical & Delivery Signals

The author states that the application was built with:

  • Node.js
  • HTML
  • CSS
  • JavaScript
  • API integration
  • Swiss Ephemeris
  • Offline database of ~291,000 cities
  • Local chart calculation engine

It includes features such as automatic location search with aliases, planet positions, house calculations, and aspect calculations. The author notes that AI tools like ChatGPT and Codex were used to accelerate development.

Evidence strength Self-reported. No independent verification of technical performance or delivery quality.

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Traction & Maturity Signals

The description states that this project was submitted to the OpenAI 2026 hackathon on Devpost. It does not mention any revenue, customer base, or adoption beyond the author’s own use case.

Evidence strength Not evidenced. No signs of product-market fit, user engagement, or commercial traction.

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Competitive Context

The description does not provide information about competitors or the broader market landscape for astrology calculators. It only describes the features and tools used in building MyAstro.

Evidence strength Not evidenced. No mention of competitive analysis or positioning relative to other tools.

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Key Risks & Red Flags

  • The project is described as a hackathon submission with no evidence of commercialization or user adoption.
  • The author states that they had no prior experience in building astronomical calculation systems, which raises questions about the depth and robustness of the solution.
  • There is no indication of scalability, long-term maintenance, or support plans.
  • The use of AI tools like ChatGPT and Codex may raise concerns about reproducibility and quality control if not rigorously validated.

Evidence strength Inferences based on self-reported information. No external validation or data to confirm risks.

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Diligence Questions To Ask The Founders

  1. What is the intended user base for MyAstro, and how are you planning to reach them?
  2. Are there any plans to monetize this tool, and if so, what is your business model?
  3. How do you plan to validate the accuracy of calculations beyond your own testing?
  4. Have you considered scalability or performance issues with the offline city database?
  5. What is the long-term roadmap for MyAstro, and how will it evolve from its current state?

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Investment/Partnership Verdict

The description states that this project was submitted to the OpenAI 2026 hackathon on Devpost. There is no evidence of revenue, customers, or traction beyond the author’s own development effort.

Confidence level Low. The project appears to be a personal or experimental endeavor with no demonstrated commercial viability or market demand.

Verdict Not evidenced as a viable investment or partnership opportunity at this stage. Further evidence of traction, user feedback, or business model is required before any due-diligence assessment can be made.

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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.