Blog

Guides, tutorials, and insights on AI coding tools and API providers.

· 8 min read

I Found the Actually-Working OpenAI-Compatible APIs in China (And the Ones That Lied to Me)

I just spent three weeks migrating our startup's backend from a Frankenstein mix of domestic LLM SDKs to a unified proxy setup, and I'm still questioning my lif

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· 9 min read

I Replaced OpenAI With Open-Source LLMs in My $10K MRR SaaS — Here's What Happened to My Costs

Last Tuesday at 3 AM, I was staring at my AWS bill with that sinking feeling you get when numbers don't add up. My OpenAI API costs had hit $2,847 for the month

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· 8 min read

We Built an LLM Gateway to Tame the Long-Tail Model Chaos (and Saved 60% on Maintenance)

TIL that 70% of our GPU costs were going to models nobody had heard of, and our infrastructure team was about to stage a mutiny. Fair warning: this is a war sto

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· 8 min read

I Tested Cursor, Claude Code, and Codex for 3 Months — Here's Who Actually Wins

I'm going to say something that'll make the AI coding tool evangelists mad: they all generate decent code, and that's not the point. The real differentiator — t

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· 7 min read

Why Claude Code's System Prompt Is So Short It Makes Most Developers Uncomfortable

TL;DR: Anthropic's Claude Code ditches the 200-line system prompts we've all been writing. Instead, it uses a minimalist approach that prioritises curiosity ove

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· 13 min read

Function Calling in Production: The Scars, Stats, and Solutions I Wish I'd Had 8 Months Ago

Meta Description: I deployed LLM function calling to production and immediately regretted it. Here's everything I learned about validation, performance, and pre

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· 10 min read

Why Your RAG System’s Chunking Strategy Is Probably Broken (And How I Fixed Mine)

TL;DR: Swapping static for dynamic chunking boosted our legal-tech RAG system’s recall by 23%. Sounds like a quick config change, right? It wasn't. It took two

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· 9 min read

How I Stopped LLM Hallucinations from Bleeding $2K/Month Out of My SaaS

Last month, I stared at my Stripe dashboard and felt physically ill. 12 refund requests in 48 hours. All traced back to the same catastrophic bug—my AI chatbot

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· 9 min read

I Built a Claude Code MCP Connector in 3 Days—And Accidentally DDoS'd My Own Database

TL;DR: Built a custom MCP connector that slashed my debugging time by 73% and reduced churn by 0.7%. Also learnt that connection pooling isn't optional, Claude

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· 8 min read

We Built a Memory-First Architecture for AI Agents—Here's What Actually Worked

Last quarter, our agents started forgetting things after three interactions. Not "oops, lost my train of thought" forgetting—proper amnesia. Task completion rat

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· 9 min read

How I Slashed My AI Video Processing Costs 91% While Making Users Happier

Last month, I almost killed my own product. My AWS bill hit $4,200—for a SaaS doing $8,100 MRR. I was literally paying users to use my app. The math was so bad

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· 10 min read

AI Gateway Showdown: I Benchmarked 5 Platforms So You Don't Have To (The 3 AM Wake-Up Call)

TL;DR: Portkey added just 30ms overhead. OpenRouter's health checks nearly cost me 14,000 failed requests. Together AI's throughput swings made capacity plannin

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