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DEV Challenges

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

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DiffWhisperer: How I Turned Cryptic Git Diffs into Architectural Stories with Gemma 4

Gemma 4 Challenge: Build With Gemma 4 Submission

DiffWhisperer: How I Turned Cryptic Git Diffs into Architectural Stories with Gemma 4

3
Comments
11 min read
Building a Real Android App at Google I/O 2026: No Kotlin, Just Prompts

Google I/O Writing Challenge Submission

Building a Real Android App at Google I/O 2026: No Kotlin, Just Prompts

6
Comments
6 min read
AI CareCompanion - Offline Health Assistant

Gemma 4 Challenge: Build With Gemma 4 Submission

AI CareCompanion - Offline Health Assistant

2
Comments
6 min read
Why is Google's best image model called "Nano Banana"? And why are you using the wrong one?

Google I/O Writing Challenge Submission

Why is Google's best image model called "Nano Banana"? And why are you using the wrong one?

2
Comments
4 min read
From Models to Meaning: How Building NeuroSense AI with Gemma 4 Changed My View of Local AI

Gemma 4 Challenge: Write about Gemma 4 Submission

From Models to Meaning: How Building NeuroSense AI with Gemma 4 Changed My View of Local AI

1
Comments
4 min read
I Ran Gemma 4 on an 8GB Laptop — Here’s What the Experience Was Actually Like

Gemma 4 Challenge: Write about Gemma 4 Submission

I Ran Gemma 4 on an 8GB Laptop — Here’s What the Experience Was Actually Like

5
Comments
8 min read
XiHan Snore Coach: Privacy-First On-Device MedTech Guardian powered by Gemma 4 Mobile

Gemma 4 Challenge: Build With Gemma 4 Submission

XiHan Snore Coach: Privacy-First On-Device MedTech Guardian powered by Gemma 4 Mobile

2
Comments
2 min read
Gemma 4 in Action: Architecture and Guardrails of a Sovereign Web OS Portfolio

Google I/O Writing Challenge Submission

Gemma 4 in Action: Architecture and Guardrails of a Sovereign Web OS Portfolio

2
Comments
2 min read
Your Website Has a New User — And It's Not Human. A Hands-On Guide to WebMCP

Google I/O Writing Challenge Submission

Your Website Has a New User — And It's Not Human. A Hands-On Guide to WebMCP

3
Comments
9 min read
Gemini CLI Is Dead. Here's the Better Thing That Replaced It

Google I/O Writing Challenge Submission

Gemini CLI Is Dead. Here's the Better Thing That Replaced It

3
Comments 2
4 min read
Future Me vs Earth

DEV Weekend Challenge: Earth Day

Future Me vs Earth

1
Comments
1 min read
FieldFix - AI Diagnosis

Gemma 4 Challenge: Build With Gemma 4 Submission

FieldFix - AI Diagnosis

2
Comments
1 min read
Pair - your personal stylist

Gemma 4 Challenge: Build With Gemma 4 Submission

Pair - your personal stylist

2
Comments
2 min read
The Google I/O 2026 Moment That Quietly Changed How I See AI

Google I/O Writing Challenge Submission

The Google I/O 2026 Moment That Quietly Changed How I See AI

7
Comments
6 min read
Google I/O 2026 and the Rise of the AI Ecosystem

Google I/O Writing Challenge Submission

Google I/O 2026 and the Rise of the AI Ecosystem

4
Comments
4 min read
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