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DEV Challenges

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

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NovelPilot: A Novel Writing Agent Powered by Gemma 4

Gemma 4 Challenge: Build With Gemma 4 Submission

NovelPilot: A Novel Writing Agent Powered by Gemma 4

4
Comments
8 min read
I built a tool that shows developers what their backend costs the planet

DEV Weekend Challenge: Earth Day

I built a tool that shows developers what their backend costs the planet

5
Comments
2 min read
CodeDNA: AI Codebase Archaeologist Built with Gemma 4 Thinking Mode

Gemma 4 Challenge: Build With Gemma 4 Submission

CodeDNA: AI Codebase Archaeologist Built with Gemma 4 Thinking Mode

2
Comments
9 min read
Small Models Will Beat Giant Models (And Most People Haven’t Realized Why Yet)

Gemma 4 Challenge: Write about Gemma 4 Submission

Small Models Will Beat Giant Models (And Most People Haven’t Realized Why Yet)

2
Comments
2 min read
🌍 EarthVoice — I gave the planet a memory, a voice, and the ability to talk back

🌍 EarthVoice — I gave the planet a memory, a voice, and the ability to talk back

1
Comments
4 min read
🌍 EarthTwin AI – See the Future You're Creating

DEV Weekend Challenge: Earth Day

🌍 EarthTwin AI – See the Future You're Creating

1
Comments
2 min read
One Soul, Any Model: Portable Memory for Open-Source Agents with .klickd

Hermes Agent Challenge Submission: Build With Hermes Agent

One Soul, Any Model: Portable Memory for Open-Source Agents with .klickd

2
Comments
6 min read
Google AI Studio Just Changed the Shape of App Development

Google I/O Writing Challenge Submission

Google AI Studio Just Changed the Shape of App Development

6
Comments
5 min read
AiLang: Exploring Deterministic AI-First Programming with Gemma 4

Gemma 4 Challenge: Build With Gemma 4 Submission

AiLang: Exploring Deterministic AI-First Programming with Gemma 4

3
Comments
2 min read
Repair Oracle: AI-Powered Assessor for Broken Household Items

DEV Weekend Challenge: Earth Day

Repair Oracle: AI-Powered Assessor for Broken Household Items

1
Comments
2 min read
Accounting Made Simple: AI-Powered Financial Insights of Japanese Companies with Gemma 4

Gemma 4 Challenge: Build With Gemma 4 Submission

Accounting Made Simple: AI-Powered Financial Insights of Japanese Companies with Gemma 4

Comments
2 min read
GAIA: The Interactive 3D Earth Assistant | Earth Day 2026

DEV Weekend Challenge: Earth Day

GAIA: The Interactive 3D Earth Assistant | Earth Day 2026

1
Comments
2 min read
Wake-Up Call: Why AI Safety Guardrails Break Under Pressure

Google I/O Writing Challenge Submission

Wake-Up Call: Why AI Safety Guardrails Break Under Pressure

2
Comments
3 min read
“I Built a Fully Offline AI Memory Engine Around Gemma 4 — No Cloud, No Vector DB”

Gemma 4 Challenge: Write about Gemma 4 Submission

“I Built a Fully Offline AI Memory Engine Around Gemma 4 — No Cloud, No Vector DB”

190
Comments 4
3 min read
CarbonTrace

DEV Weekend Challenge: Earth Day

CarbonTrace

1
Comments
5 min read
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