YC Idea Matcher

What it does

Submit your idea and get a list of similar ideas that YCombinator has invested in before.

• YI
  YC idea matcher – Submit an idea and get a list of similar YC companies2023 · yc-idea-matcher.vercel.app · ▲36

  This project uses semantic search, an advanced search technique that aims to understand the intent and context behind a search query instead of just matching keywords. It's built using Neon Postgres + pg_embedding and OpenAI for generating embeddings. More details can be found in the repo https://github.com/neondatabase/yc-idea-matcher

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  Y Combinator Co-founder Matching2021 · ycombinator.com · ▲642

  YC’s free online platform to help you find your co-founder

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  Y Combinator Companies2016 · ycombinator.com · ▲454

  Interactive list of all 1000+ YC companies

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  LookUp YC2023 · lookup-yc.herokuapp.com · ▲143

  Ask questions and get advice from Y Combinator videos

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  Apply to YC (Y Combinator)2017 · ▲386

  Curated collection of resources for founders applying to YC.

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  YC has itJul 2026 · ychasit.com · ▲219

  Describe your problem, get the YC startup that solves it

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  Spira Maxima▲578

  Video model that turns script into viral social media videos

  AI · 19d ago · spira.ai

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  Rill Browser▲540

  The browser where Claude Code and Codex work beside you

  AI · 19d ago · rill.love

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  Germany's new sovereign AI model Kolibri▲424

  Kolibri is Aleph Alpha

  AI · 21d ago · tej.as

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  Giving Opus 5.5 a simulated paint canvas▲392

  Paintings by AI models: programs run through a simulation of oil paint.

  AI · 22d ago · stillwet.art

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  Beam.win▲379

  Run AI agents on one Mac and use its windows on another

  AI · 6d ago · beam.win

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  FastRouter.ai▲364

  Route requests to the right LLM for cost, latency & quality

  AI · 23d ago · fastrouter.ai

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  Resend▲1,325

  An entire collection of pre-built components with a much faster development experience.

  Dev tools · 2023 · resend.com

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  STORI AI▲1,316

  Your ideas become visually compelling branded social posts

  AI · 2023 · storiai.com

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  Kombai▲1,079

  A new AI model that you can prompt with UI designs

  AI · 2023 · kombai.com

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  User Persona Generator▲1,014

  Understand your audience without 50 interviews

  AI · 2023 · founderpal.ai

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  Lottielab▲869

  Create and ship lottie animations to sites and apps faster

  Dev tools · 2023 · lottielab.com

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  LLMs can generate valid JSON 100% of the time▲854

  Outlines is a Python library that focuses on text generation with large language models. Brandon and I are not LLM experts and started the project a few months ago because we wanted to understand better how the generation process works. Our original background is probabilistic, relational and symbolic programming. Recently we came up with a fast way to generate text that matches a regex (https://blog.normalcomputing.ai/posts/2023-07-27-regex-guide...). The basic idea is simple: regular expressions have an equivalent Deterministic-Finite Automaton (DFA) representation. We…

  AI · 2023 · github.com