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My AI-Written Test Suite Hit 94% Coverage. Then I Mutated the Code.

My AI-Written Test Suite Hit 94% Coverage. Then I Mutated the Code.

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4 min read
Run any LLM locally with VRAM-aware routing - a llama.cpp + FastAPI deep dive

Run any LLM locally with VRAM-aware routing - a llama.cpp + FastAPI deep dive

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4 min read
Claude Sonnet 5's Introductory Pricing Expires August 31. Your Cost Model Doesn't Know That Yet.

Claude Sonnet 5's Introductory Pricing Expires August 31. Your Cost Model Doesn't Know That Yet.

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3 min read
99% token accuracy, zero learning. Field notes from fine-tuning vision models with RL.

99% token accuracy, zero learning. Field notes from fine-tuning vision models with RL.

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4 min read
Architecting the New Operating System: A Guide to Context Engineering

Architecting the New Operating System: A Guide to Context Engineering

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2 min read
Beta‑testing API Gateway for Chinese‑origin LLMs — Free Test Quota for Feedback

Beta‑testing API Gateway for Chinese‑origin LLMs — Free Test Quota for Feedback

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1 min read
Five agent engineering problems, with the numbers behind them

Five agent engineering problems, with the numbers behind them

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6 min read
Wang Quit. His Agent Still Shows Up for Work

Wang Quit. His Agent Still Shows Up for Work

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7 min read
The Two Ways AI Memory Breaks

The Two Ways AI Memory Breaks

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2 min read
I Kept Hitting GPU Out-of-Memory Errors at 100K Tokens: Here’s What Was Actually Eating the Memory

I Kept Hitting GPU Out-of-Memory Errors at 100K Tokens: Here’s What Was Actually Eating the Memory

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9 min read
Why LLMs Hallucinate and How to Reduce Hallucinations

Why LLMs Hallucinate and How to Reduce Hallucinations

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2 min read
Vibecoding: Why Flow State is the New Syntax

Vibecoding: Why Flow State is the New Syntax

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3 min read
Why AI Should Return Interfaces, Not Walls of Text

Why AI Should Return Interfaces, Not Walls of Text

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3 min read
What a 275K-Character Claude Prompt Teaches Us About Building AI Agents

What a 275K-Character Claude Prompt Teaches Us About Building AI Agents

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7 min read
Does a LangGraph subagent inherit its parent's tool permissions? I tested it.

Does a LangGraph subagent inherit its parent's tool permissions? I tested it.

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5 min read
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