Blog

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

· 7 min read

I Watched GPT-5.1 Rewrite My 3-Night Algorithm Module in 47 Seconds. Here's What Happened Next

Last week at a hackathon in Berlin, I watched GPT-5.1-Codex-Max refactor an entire graph algorithm module in 47 seconds. Here's the thing—I'd spent three *night

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· 8 min read

Token-Based AI Pricing Is Broken — Here's What Comes Next

Last November, I did something monumentally stupid. My team was haemorrhaging cash on GPT-4 API calls, so I slashed our context window from 32K tokens to 8K. Se

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· 7 min read

When Your AI Bot Ghosts You at 3 AM: A Production War Story

Last Thursday at 2:47 AM, our chatbot went silent. Not the graceful kind of silent—the kind where customers start tweeting things you don't want your investors

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· 7 min read

I Almost Spilled My Coffee: How a Caching Bug Cost Me $175 in 3 Hours

Last Tuesday at 2 AM, I stared at my DeepSeek API dashboard for five straight minutes. The bill had jumped from ¥47 to ¥1,280—that's about $6.50 to $175—in just

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· 8 min read

The $900 Vector Bill: Why Your Embedding Dimensions Are Burning Money

Last Tuesday at 3 AM, I found myself staring at an AWS bill that nearly made me spit coffee all over my monitor. Our vector database had racked up almost $900 i

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· 7 min read

I Let AI Write Our Production Code for 3 Months — Here’s the $4,372 Lesson I Learned

Last March, my Twitter feed was absolutely flooded with tech influencers raving about Vibe Coding. "Just describe what you want and AI builds it." "80% of tedio

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· 6 min read

How Our "Clever" Multi-Model Router Burned $2,200 Without Anyone Noticing

Last Wednesday, 3pm-ish. I'm nursing a flat white, mentally checked out for the afternoon, when Slack pings. Finance team. "Your AWS bill this month is 47% high

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· 8 min read

I Let GPT-5.1-Codex-Max Refactor My Payment Module at 2 AM — Here's What Happened

Last Tuesday, at 2 AM, I did something reckless. I pasted our three-year-old payment module into GPT-5.1-Codex-Max and said, "Refactor this." 47 unit tests. Zer

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· 7 min read

Your AI Agent Has Goldfish Brain: 3 Ways to Fix Short-Term Memory (Without Burning Cash)

Last week, my AI assistant hit me with this gem on conversation turn #12: "Wait, what framework was that bug in again?" I stared at the screen. We'd been debugg

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· 10 min read

The Great LLM Price War of 2025: Why Your API Bill Just Crashed (And What Nobody's Telling You)

Last Wednesday at 2 AM, PagerDuty ripped me out of sleep. Production GPT-4o calls had spiked 300%. The estimated billing overage? $8,000. I squinted at Grafana

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· 9 min read

When Your AI Summariser Flips "Revenue Up 20%" to "Revenue Down 20%"

Last year, a client in financial research nearly gave me a heart attack. They were using a RAG system to auto-generate research summaries, and it confidently re

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· 6 min read

The AI Price War Nobody's Talking About: Why 2025 Will Be Brutal for Model Providers

Last Tuesday I found myself staring at a spreadsheet, coffee gone cold, trying to figure out why a client's customer service bot was haemorrhaging money. They'd

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