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DEV Challenges

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

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Shipping on Gemma 4: chain-of-thought leakage, MoE-vs-Dense, and on-device pragmatism

Gemma 4 Challenge: Write about Gemma 4 Submission

Shipping on Gemma 4: chain-of-thought leakage, MoE-vs-Dense, and on-device pragmatism

2
Comments
8 min read
OwnWorkAI for Local/Cloud AI agents & workflows

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

OwnWorkAI for Local/Cloud AI agents & workflows

Comments
2 min read
MindBridge: A Mental Health First Responder AI Built with Gemma 4

Gemma 4 Challenge: Build With Gemma 4 Submission

MindBridge: A Mental Health First Responder AI Built with Gemma 4

6
Comments 4
6 min read
3D Zig Zag Utopia Matrix

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

3D Zig Zag Utopia Matrix

2
Comments 1
5 min read
RefVault: a local-first design reference vault, powered by Gemma 4 26B MoE

Gemma 4 Challenge: Build With Gemma 4 Submission

RefVault: a local-first design reference vault, powered by Gemma 4 26B MoE

2
Comments
6 min read
Building Vana AI Made Android Feel Different Again

Google I/O Writing Challenge Submission

Building Vana AI Made Android Feel Different Again

2
Comments
4 min read
I Measured the Carbon Footprint of My AI Agents. 87% Was Pure Waste.

DEV Weekend Challenge: Earth Day

I Measured the Carbon Footprint of My AI Agents. 87% Was Pure Waste.

Comments
6 min read
DevBrief — AI Standup Writer Powered by Hermes Agent (Vercel + Render)

Hermes Agent Challenge Submission

DevBrief — AI Standup Writer Powered by Hermes Agent (Vercel + Render)

11
Comments 2
3 min read
How I Manage My Tasks as a Developer Without Overthinking Everything

How I Manage My Tasks as a Developer Without Overthinking Everything

5
Comments
3 min read
Hermes Agent in the Wild: How I Turned It Into an AI Ops Employee

Hermes Agent Challenge Submission

Hermes Agent in the Wild: How I Turned It Into an AI Ops Employee

1
Comments
7 min read
Google I/O 2026 Blew My Mind — Here's What It Means for the Family App I'm Building

Google I/O Writing Challenge Submission

Google I/O 2026 Blew My Mind — Here's What It Means for the Family App I'm Building

5
Comments
7 min read
🚀 A Beginner’s First Look at Project IDX: Secure Coding from Day One

Google I/O Writing Challenge Submission

🚀 A Beginner’s First Look at Project IDX: Secure Coding from Day One

3
Comments 2
3 min read
AngleCore / ENGO Core and # AI Doesn’t Need Better Prompts. It Needs Better Patterns.

OpenClaw Challenge Submission 🦞

AngleCore / ENGO Core and # AI Doesn’t Need Better Prompts. It Needs Better Patterns.

4
Comments
25 min read
Gemini 3.5 Flash & Google Antigravity 2.0: A Real-World Performance Analysis

Google I/O Writing Challenge Submission

Gemini 3.5 Flash & Google Antigravity 2.0: A Real-World Performance Analysis

7
Comments
6 min read
Google Ships AI Detection. I Shipped the Royalty Layer Nobody Is Building.

Google I/O Writing Challenge Submission

Google Ships AI Detection. I Shipped the Royalty Layer Nobody Is Building.

1
Comments
8 min read
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