Featured Entry
April 15, 2025•18 min read
How I Learned to Stop Worrying and Love the Cache
Why our 97% cost reduction came from forgetting everything we knew about modern architecture
Z
Zev Uhuru
Founder, Esy
Recent Entries
Experiments•Trending
Shipping Semantic Search
Shipping semantic search in Esy was a journey through the world of embeddings, vector databases, and the subtle art of measuring similarity between ideas. Semantic search is about understanding meani
Zev Uhuru•March 26, 2025
8 minResearch•New
Emergent Tool Use in GPT-4
How do language models learn to use tools? In this article, I analyze the surprising ways GPT-4 adapts to new tasks with minimal instruction. Emergent behaviors in LLMs often arise from scale and dat
Zev Uhuru•March 24, 2025
18 minExperiments
Real-time Video Generation Tests
My first experiments with Runway Gen-2 for real-time video generation were a mix of excitement and chaos. Here's what I learned. Video generation is still in its infancy—expect weird artifacts and lo
Zev Uhuru•March 22, 2025
6 minMore Entries
Product•March 20, 2025•10 min
Why I Chose Boring Technology for Esy
When building Esy, I faced a choice: chase the latest tech trends, or pick tools that just work. I chose the latter, and here's why. "Boring" technology is often the most reliable and cost-effective.
by Zev Uhuru
Experiments•March 18, 2025•15 min
Training a LoRA on My Writing Style
Fine-tuning Llama 2 on my own writing was both exciting and a little unsettling. Here's what happened. Personalized models can mimic your style—sometimes too well. I gathered three years of blog pos
by Zev Uhuru
Research•March 16, 2025•22 min
Benchmarking Chain-of-Thought Prompting
Chain-of-thought (CoT) prompting has become a go-to technique for improving LLM reasoning. But how well does it really work? CoT can boost accuracy, but not all models benefit equally. I tested CoT
by Zev Uhuru
Experiments•March 14, 2025•8 min
AI-Generated Music: First Attempts
My first experiments with MusicGen were a wild ride. Some tracks were beautiful, others... not so much. AI-generated music is unpredictable—embrace the weirdness! I used MusicGen to create ambient s
by Zev Uhuru