I created a prediction market analysis app after trying prediction markets and doing quite poorly. I wondered if AI-driven predictions could be better with the right data. Depending on the model you use the answer swings wildly between definitely not and yes. Gemini 3 Flash and Sonnet have done well with complex pipeline analysis instructions. Examples of some data apis are FRED, the NWS, Open-Meteo, CoinGecko, congress.gov. I also incorporated general search queries with Serper and Tavily.
In full disclosure, I got maybe too ambitious and prepped it as an iOS product with monetization features. I am a vibe coder from a non-technical background and this is the first thing I created, so I would love critical feedback.
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