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DEV Challenges

This is the official tag for submissions and announcements related to DEV Challenges.

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The AI Agent That Learns While It Works — A Complete Guide to Hermes Agent

Hermes Agent Challenge Submission: Write About Hermes Agent

The AI Agent That Learns While It Works — A Complete Guide to Hermes Agent

4
Comments
9 min read
Echoes of History

Gemma 4 Challenge: Build With Gemma 4 Submission

Echoes of History

Comments
2 min read
Google I/O 2026 Made Me Realize Student Builders Can Now Compete With Startups

Google I/O Writing Challenge Submission

Google I/O 2026 Made Me Realize Student Builders Can Now Compete With Startups

1
Comments
3 min read
I Replaced a $50/Month OCR API with Gemma 4’s Native Vision (And You Can Too)

Gemma 4 Challenge: Write about Gemma 4 Submission

I Replaced a $50/Month OCR API with Gemma 4’s Native Vision (And You Can Too)

15
Comments 1
7 min read
Local AI is Here: Which Gemma 4 Model Should You Actually Use? 🚀

Gemma 4 Challenge: Write about Gemma 4 Submission

Local AI is Here: Which Gemma 4 Model Should You Actually Use? 🚀

1
Comments
3 min read
I Finally Finished a Project I Abandoned — And GitHub Copilot Helped Me Ship It

GitHub “Finish-Up-A-Thon” Challenge Submission

I Finally Finished a Project I Abandoned — And GitHub Copilot Helped Me Ship It

1
Comments
3 min read
Your Laptop Just Got Smarter: A Complete Guide to Gemma 4's Four Models

Gemma 4 Challenge: Write about Gemma 4 Submission

Your Laptop Just Got Smarter: A Complete Guide to Gemma 4's Four Models

1
Comments
9 min read
Google shipped three Gemini "Flash" models. Picking the wrong one could 6 your AI bill

Google I/O Writing Challenge Submission

Google shipped three Gemini "Flash" models. Picking the wrong one could 6 your AI bill

9
Comments 1
6 min read
Solving AI Hallucination in Software Architecture with Code Property Graphs and .NET 9

Solving AI Hallucination in Software Architecture with Code Property Graphs and .NET 9

2
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3 min read
My First Impressions of Google AI Tools

Google I/O Writing Challenge Submission

My First Impressions of Google AI Tools

1
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3 min read
I Built OxyTrack: Turning Small Daily Habits Into Real Environmental Impact 🌱

DEV Weekend Challenge: Earth Day

I Built OxyTrack: Turning Small Daily Habits Into Real Environmental Impact 🌱

3
Comments
2 min read
I Built a 24/7 Freelance Operations Agent with OpenClaw — It Runs My Business While I Sleep

OpenClaw Challenge Submission 🦞

I Built a 24/7 Freelance Operations Agent with OpenClaw — It Runs My Business While I Sleep

1
Comments
5 min read
When Edge MedTech Meets Google I/O 2026: Building "XiHan Snore Coach" with On-Device AI & Adaptive Architectures

Google I/O Writing Challenge Submission

When Edge MedTech Meets Google I/O 2026: Building "XiHan Snore Coach" with On-Device AI & Adaptive Architectures

3
Comments
5 min read
What Excited Me Most at Google I/O 2026

Google I/O Writing Challenge Submission

What Excited Me Most at Google I/O 2026

2
Comments
2 min read
AI Travel Assistant Powered by Gemma 4; With Streaming, Image Input, and Visual Recommendation Cards

Gemma 4 Challenge: Build With Gemma 4 Submission

AI Travel Assistant Powered by Gemma 4; With Streaming, Image Input, and Visual Recommendation Cards

4
Comments
5 min read
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