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Wander: I made an app that narrates where you walk, so your phone can stay in your pocket

Submitted to the Open-Source AI Challenge, Week 1: Touch Grass. Tag: #hf26challenge . Repo: github.com/itzneel05/wander Code: https://github.com/itzneel05/wander The challenge theme was touch grass…

  • Wander app narrates locations while walking, keeping phone in pocket
  • Uses Wikipedia GeoSearch API or OpenStreetMap for place recognition
  • Gemma AI model generates descriptions of nearby points of interest

🌿 NatureQuest AI: Turn Screen Time into Outdoor Adventures

This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass What I Built 🌿 NatureQuest AI — Turn Screen Time into Outdoor Adventures NatureQuest AI is an open-source web…

  • NatureQuest AI encourages outdoor exploration by reducing screen time.
  • Users input free time and preferred outdoor activity for personalized suggestions.
  • Open-source AI model from Hugging Face powers activity idea generation.

Lantern: one walk with a phone becomes an offline indoor map, built by Gemma 4

This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass What I Built My friends can't find the washroom in a crowded stadium where internet and cell networks get…

  • Lantern is AI-powered offline indoor mapping tool by Gemma 4.
  • User films building once, describes what they see.
  • Works in airplane mode, no app installation or GPS needed.

Touch grass, and touch glass on a padel court

This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass What I Built Arranging a padel match can be surprisingly tedious.

  • Four fictional players negotiate padel match using AI agents
  • Agents resolve time disagreement and obtain player approval
  • Open-source Java application available on GitHub for experimentation

I Turned the Reasoning Dial to 'High' on 4 Models. It Fixed One Thing and Billed Me for Everything.

This is a submission for the Kaggle Benchmarking Challenge I gave gpt-5.4-mini a logic puzzle: seven people, seven days, ten clues, "Who gives the talk on Friday?" With reasoning effort set to none…

  • High reasoning effort boosts gpt-5.4-mini accuracy from 15% to 97.5%
  • Increasing reasoning effort leads to 1.5 to 3.4 times higher costs for correct answers
  • Model behavior varies significantly with reasoning effort across tasks and models

5 RAG Mistakes That Leak Private Docs Into Chat Answers

Someone asks, "What does a Senior Engineer earn here?" Your chatbot answers. With citations. Nobody hacked anything. Similarity search found the HR salary chunk because that chunk lived in the same…

  • Not securing documents with proper audience info
  • Filtering results after retrieval instead of before
  • Treating retrieved text as authoritative instructions

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