IDEAS, DECISIONS & LESSONS

Journal

Notes on AI, architecture and building useful products.

94 articles

07 Aug 2026 · 5 min read

ai-agents

NVIDIA NOOA: When Your AI Agent Is Just a Python Class

NVIDIA's NOOA framework collapses the complexity of AI agent frameworks into a single Python class — methods are actions, fields are state, docstrings are prompts, type annotations are contracts. Here's what it means for teams building production agents.

Read more

06 Aug 2026 · 6 min read

ai-cost

GPT-5.6 Luna at 80% Off: The New Model Economics for AI Products

OpenAI just cut GPT-5.6 Luna pricing by 80% and Terra by 20%. Combined with 15% better token efficiency from speculative decoding, the cost math for AI products has fundamentally shifted. Here's how to rethink your model routing strategy and capture the savings without sacrificing quality where it matters.

Read more