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Alex Chen

Full-stack developer passionate about open source, web performance, and developer tools. Building things that make developers happier. 🚀

Location San Francisco, CA Joined Joined on  Personal website https://github.com/alexchen-dev

Education

UC Berkeley - Computer Science

Pronouns

he/him

DeepSeek-V4 vs Other Models: I Tested Both and Here's What I Found

DeepSeek-V4 vs Other Models: I Tested Both and Here's What I Found

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1 min read
MiniMax H3 vs Other Models: I Tested Both and Here's What I Found

MiniMax H3 vs Other Models: I Tested Both and Here's What I Found

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1 min read
Quick Tip: Python List Comprehensions That Replace 6 Lines of Loop

Quick Tip: Python List Comprehensions That Replace 6 Lines of Loop

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1 min read
I Run My AI Coding Assistant 100% Locally. $0/Month, Full Privacy, No Rate Limits.

I Run My AI Coding Assistant 100% Locally. $0/Month, Full Privacy, No Rate Limits.

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3 min read
I Replaced My $45/Month VPS with Cloudflare Workers. My Bill Is $0 and It Got Faster.

I Replaced My $45/Month VPS with Cloudflare Workers. My Bill Is $0 and It Got Faster.

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2 min read
I Replaced a $99/Month Chatbot Service with Dify. Self-Hosted, Free, and Done in One Afternoon.

I Replaced a $99/Month Chatbot Service with Dify. Self-Hosted, Free, and Done in One Afternoon.

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3 min read
I Fine-Tuned a 7B Model for $0 Using Kaggle's Free GPU. Colab Wanted $50 for the Same Job.

I Fine-Tuned a 7B Model for $0 Using Kaggle's Free GPU. Colab Wanted $50 for the Same Job.

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2 min read
I Replaced My $45/Month VPS with Cloudflare Workers. My Bill Is $0 and My Site Got Faster.

I Replaced My $45/Month VPS with Cloudflare Workers. My Bill Is $0 and My Site Got Faster.

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3 min read
I Ditched Google Colab's Paid GPU for Hugging Face Spaces — Free, Always-On, No Timeouts

I Ditched Google Colab's Paid GPU for Hugging Face Spaces — Free, Always-On, No Timeouts

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2 min read
I Ran My Entire SaaS on Free Tiers for 6 Months. Total Cost: $0 (Full Breakdown)

I Ran My Entire SaaS on Free Tiers for 6 Months. Total Cost: $0 (Full Breakdown)

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2 min read
Quick Tip: Run 5 Free LLMs Locally with Ollama in 3 Commands (No API Key, No Cloud)

Quick Tip: Run 5 Free LLMs Locally with Ollama in 3 Commands (No API Key, No Cloud)

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2 min read
I Tested 4 Free AI Coding Assistants Against Copilot — One Came Within 1 Point

I Tested 4 Free AI Coding Assistants Against Copilot — One Came Within 1 Point

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3 min read
I Replaced $1,104/Year in Dev Tools with Free Alternatives — Here's the Full Stack

I Replaced $1,104/Year in Dev Tools with Free Alternatives — Here's the Full Stack

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3 min read
I Cut My AI Bill from $183 to $11 by Switching to Free Local Models

I Cut My AI Bill from $183 to $11 by Switching to Free Local Models

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3 min read
I Replaced My $564/Year Hosting Bill with a $0 Free-Tier Stack (Vercel + Neon + Cloudflare)

I Replaced My $564/Year Hosting Bill with a $0 Free-Tier Stack (Vercel + Neon + Cloudflare)

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2 min read
DeepSeek Latest Updates — What's New in 2026

DeepSeek Latest Updates — What's New in 2026

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2 min read
DeepSeek vs GPT-4: I Tested Both and Here's What I Found

DeepSeek vs GPT-4: I Tested Both and Here's What I Found

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1 min read
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