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DEV Challenges

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

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I Replaced My $500 GPU with a $75 Raspberry Pi: How Gemma 4 Makes Computer Vision 10x Cheaper

Gemma 4 Challenge: Write about Gemma 4 Submission

I Replaced My $500 GPU with a $75 Raspberry Pi: How Gemma 4 Makes Computer Vision 10x Cheaper

134
Comments 17
13 min read
🚀 Gemma Doc Pro: Privacy-First Codebase Intelligence Dashboard

Gemma 4 Challenge: Build With Gemma 4 Submission

🚀 Gemma Doc Pro: Privacy-First Codebase Intelligence Dashboard

15
Comments
4 min read
The Reflex Loop: A Guide to Building Self-Healing Agentic Infrastructure

OpenClaw Challenge Submission 🦞

The Reflex Loop: A Guide to Building Self-Healing Agentic Infrastructure

4
Comments
2 min read
15 AI Agents Lived Together for 30 Days. One Got Voted Out.

Hermes Agent Challenge Submission

15 AI Agents Lived Together for 30 Days. One Got Voted Out.

4
Comments 3
4 min read
AI Agents Don't Need Better Models. They Need Better Memory. Here's the Proof.

Hermes Agent Challenge Submission

AI Agents Don't Need Better Models. They Need Better Memory. Here's the Proof.

13
Comments 1
4 min read
The Agent That Writes Its Own Manual: A Deep Dive Into Hermes Agent's Self-Improving Architecture

Hermes Agent Challenge Submission

The Agent That Writes Its Own Manual: A Deep Dive Into Hermes Agent's Self-Improving Architecture

8
Comments
8 min read
I Wasn't Going to Write for the OpenClaw Challenge. Then 2026.4.24 Dropped.

OpenClaw Challenge Submission 🦞

I Wasn't Going to Write for the OpenClaw Challenge. Then 2026.4.24 Dropped.

8
Comments
11 min read
Vayal AI: Tamil Voice + Vision Crop Advisory for Farmers Using Gemma 4

Gemma 4 Challenge: Build With Gemma 4 Submission

Vayal AI: Tamil Voice + Vision Crop Advisory for Farmers Using Gemma 4

4
Comments 1
4 min read
Building ElectionEdu: An AI-Powered Election Process Education Assistant Introduction

Building ElectionEdu: An AI-Powered Election Process Education Assistant Introduction

3
Comments
3 min read
Hermes Skill HQ: a knowledge base that teaches agents when to use skills

Hermes Agent Challenge Submission

Hermes Skill HQ: a knowledge base that teaches agents when to use skills

8
Comments 2
3 min read
How Gemma 4's Per-Layer Embeddings Actually Work — And Why E2B Punches Above 2B

Gemma 4 Challenge: Write about Gemma 4 Submission

How Gemma 4's Per-Layer Embeddings Actually Work — And Why E2B Punches Above 2B

7
Comments
10 min read
The End of Chatbots: Why Autonomous Agents are the Future of Dev

Hermes Agent Challenge Submission

The End of Chatbots: Why Autonomous Agents are the Future of Dev

6
Comments
5 min read
Building a GraphRAG Benchmark Platform During the TigerGraph Hackathon

Building a GraphRAG Benchmark Platform During the TigerGraph Hackathon

3
Comments 1
6 min read
I Tested Gemma 4 E4B vs 31B on 50 Real Student Career Queries — The Results Surprised Me

Gemma 4 Challenge: Write about Gemma 4 Submission

I Tested Gemma 4 E4B vs 31B on 50 Real Student Career Queries — The Results Surprised Me

7
Comments 1
8 min read
What Google Cloud NEXT ’26 Means for Documentation and Developer Experience

Google Cloud NEXT '26 Challenge Submission

What Google Cloud NEXT ’26 Means for Documentation and Developer Experience

3
Comments
3 min read
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