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DEV Challenges

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

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Bidet AI — on-device Gemma 4 turns a messy brain-dump into clean writing

Gemma 4 Challenge: Build With Gemma 4 Submission

Bidet AI — on-device Gemma 4 turns a messy brain-dump into clean writing

3
Comments 2
5 min read
LyricLens - AI-powered song lyrics analysis tool

Gemma 4 Challenge: Build With Gemma 4 Submission

LyricLens - AI-powered song lyrics analysis tool

3
Comments
1 min read
Google I/O 2026 - From “Prompting” to “Acting”

Google I/O Challenge submission

Google I/O 2026 - From “Prompting” to “Acting”

9
Comments
4 min read
I Made Tyre Size Detection App Using Gemma4:e4b

Gemma 4 Challenge: Build With Gemma 4 Submission

I Made Tyre Size Detection App Using Gemma4:e4b

3
Comments 1
2 min read
Repair Before Replace: an AI-powered circularity assistant with persistent repair memory

DEV Weekend Challenge: Earth Day

Repair Before Replace: an AI-powered circularity assistant with persistent repair memory

2
Comments
5 min read
The Developer Playbook is Changing: Thoughts on Google Cloud Next ‘26 and Gemini Enterprise Agents

Google Cloud NEXT '26 Challenge Submission

The Developer Playbook is Changing: Thoughts on Google Cloud Next ‘26 and Gemini Enterprise Agents

5
Comments 1
4 min read
EcoLens 🌍 — Scan Any Object, Discover Its Carbon Impact (Built for Haiti & Resource-Limited Environments)

DEV Weekend Challenge: Earth Day

EcoLens 🌍 — Scan Any Object, Discover Its Carbon Impact (Built for Haiti & Resource-Limited Environments)

2
Comments
3 min read
How Google Cloud Is Making AI App Development Easier in 2026

Google Cloud NEXT '26 Challenge Submission

How Google Cloud Is Making AI App Development Easier in 2026

5
Comments 1
3 min read
Beyond the Model: Solving SSD "Matrix Collapse" in High-Scale AI Infrastructure

Google I/O Writing Challenge Submission

Beyond the Model: Solving SSD "Matrix Collapse" in High-Scale AI Infrastructure

5
Comments
2 min read
🧞‍♂️Transform unstructured PDFs Job Offers into a dataset w. gemma4:2b

Gemma 4 Challenge: Build With Gemma 4 Submission

🧞‍♂️Transform unstructured PDFs Job Offers into a dataset w. gemma4:2b

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Comments 4
4 min read
🌍 From Field Science to AI: What Google I/O 2026 Reveals About the Future of Earth Systems

Google I/O Challenge submission

🌍 From Field Science to AI: What Google I/O 2026 Reveals About the Future of Earth Systems

2
Comments
4 min read
Weekend Challenge: Earth Day Edition - Cleaning our Earth

DEV Weekend Challenge: Earth Day

Weekend Challenge: Earth Day Edition - Cleaning our Earth

1
Comments
5 min read
I Stopped “Learning Cloud” and Started Thinking Like an Architect

I Stopped “Learning Cloud” and Started Thinking Like an Architect

7
Comments
3 min read
Gemma 4 Challenge: Gemma Sonar Scout

Gemma 4 Challenge: Build With Gemma 4 Submission

Gemma 4 Challenge: Gemma Sonar Scout

3
Comments
4 min read
Sketch Judge: Draw Fast, Match Right, Let Gemma 4 Decide

Gemma 4 Challenge: Build With Gemma 4 Submission

Sketch Judge: Draw Fast, Match Right, Let Gemma 4 Decide

2
Comments 1
5 min read
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