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DEV Challenges

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

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Private AI on a Normal Android Phone: Building Krexel with Gemma 4 E2B

Gemma 4 Challenge: Build With Gemma 4 Submission

Private AI on a Normal Android Phone: Building Krexel with Gemma 4 E2B

12
Comments
6 min read
My AI Agent Hit Google's Quota Wall in 8 Minutes. 36 Hours Later, Google Tripled the Limits.

Google I/O Writing Challenge Submission

My AI Agent Hit Google's Quota Wall in 8 Minutes. 36 Hours Later, Google Tripled the Limits.

8
Comments
6 min read
E2B? E4B? 26B A4B? 31B? The Gemma 4 Model Names Finally Explained

Gemma 4 Challenge: Write about Gemma 4 Submission

E2B? E4B? 26B A4B? 31B? The Gemma 4 Model Names Finally Explained

2
Comments
7 min read
I Ran Google's Gemma 4 on a 10-Year-Old Laptop With No GPU. Here Is What I Found.

Gemma 4 Challenge: Write about Gemma 4 Submission

I Ran Google's Gemma 4 on a 10-Year-Old Laptop With No GPU. Here Is What I Found.

9
Comments 1
8 min read
Antigravity 2.0: Google Finally Built the Dev Environment Nobody Asked For (But Everyone Needed)

Google I/O Challenge submission

Antigravity 2.0: Google Finally Built the Dev Environment Nobody Asked For (But Everyone Needed)

5
Comments
7 min read
Legal Buddy 🚀 — AI-Powered Legal Chat, Document Review & Drafting with Gemma 4

Gemma 4 Challenge: Build With Gemma 4 Submission

Legal Buddy 🚀 — AI-Powered Legal Chat, Document Review & Drafting with Gemma 4

1
Comments 1
3 min read
Guardian AI — Offline-Ready Emergency Survival Assistant Powered by Gemma

Gemma 4 Challenge: Build With Gemma 4 Submission

Guardian AI — Offline-Ready Emergency Survival Assistant Powered by Gemma

10
Comments
2 min read
The Missing Layer in Google I/O 2026: Agent-Ready Websites

Google I/O Challenge submission

The Missing Layer in Google I/O 2026: Agent-Ready Websites

5
Comments 1
13 min read
I Cut My Gemma 4 Challenge API Costs by 87% With Context Engineering. Here Is the Math.

Gemma 4 Challenge: Write about Gemma 4 Submission

I Cut My Gemma 4 Challenge API Costs by 87% With Context Engineering. Here Is the Math.

2
Comments 7
13 min read
Gemma 4 Didn't Just Get Smarter. It Became a Different Kind of Model. Here's What the Agentic Numbers Actually Mean.

Gemma 4 Challenge: Write about Gemma 4 Submission

Gemma 4 Didn't Just Get Smarter. It Became a Different Kind of Model. Here's What the Agentic Numbers Actually Mean.

23
Comments
6 min read
## Rise of the Managed Agent: Why Antigravity 2.0 is Google I/O 2026’s Most Critical Developer Release

Google I/O Challenge submission

## Rise of the Managed Agent: Why Antigravity 2.0 is Google I/O 2026’s Most Critical Developer Release

7
Comments
4 min read
Google I/O 2026: My Annotated Field Notes (The Version They Don't Tweet)

Google I/O Challenge submission

Google I/O 2026: My Annotated Field Notes (The Version They Don't Tweet)

5
Comments 1
5 min read
The Restart Challenge: Day 04

The Restart Challenge: Day 04

Comments
1 min read
I/O 2026: Forget the Glasses. Let's Talk About the AI Context Nightmare Google Just Fixed.

Google I/O Challenge submission

I/O 2026: Forget the Glasses. Let's Talk About the AI Context Nightmare Google Just Fixed.

6
Comments
4 min read
There's a Lot Coming Out of Google I/O 2026. Don't Sleep on This One.

Google I/O Challenge submission

There's a Lot Coming Out of Google I/O 2026. Don't Sleep on This One.

8
Comments
5 min read
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