Evaluating Fine-Tuned Models: Build an Eval Suite Before You Trust the Demo
Golden sets, LLM-as-judge done carefully, regression gates — the evaluation harness we run before any model goes live.
Read the guide →Engineering blog
Guides from the machine room.
How small models, RAG pipelines, humanoid robots and world models actually work — written by the team that deploys them behind firewalls, with code you can run on your own hardware.
Fine-Tuning Small Models on Company Data with LoRA: A Practical Guide
LoRA and QLoRA explained without hand-waving: what the adapters change, how much data you need, and a complete PEFT training script.
Read the guide →