Antônio Geraldo Tavares Costa Junior (antoniotavares-costajr)

Belo Horizonte, MG, BR

Build with Gemini XPRIZE

Online

$2,000,000 in prizes. Build with Gemini. Ship products that impact the world.

$2,000,000 in prizes
Aug 17, 2026 04:00 PM EDT to submit
12337 participants

Google Cloud Rapid Agent Hackathon

Online

Building Agents for Real-World Challenges

$60,000 in prizes
Jun 11, 2026 05:00 PM EDT to submit
14216 participants

Cloud Run Hackathon

Online

Build applications with Cloud Run

$50,000 in prizes
Winners announced
3423 participants

Google Chrome Built-in AI Challenge 2025

Online

Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI.

$70,000 in prizes
Winners announced
14066 participants

GKE Turns 10 Hackathon

Online

Build next gen microservices with AI Agents

$50,000 in prizes
Winners announced
4713 participants

OpenAI Open Model Hackathon

Online

Build with gpt-oss, OpenAI’s open weight reasoning models.

$30,000 in prizes
Winners announced
8649 participants

Agent Development Kit Hackathon with Google Cloud

Online

Build multi-agent AI systems with Agent Development Kit and Google Cloud

$50,000 in prizes
Winners announced
10360 participants