Differentiated

Engineering notes for what changes after the demo.

Long-form guides on agent reliability, context and tool design, structured generation and model infrastructure.

Your Agent Memory Needs Two Clocks

Mutable facts need one interval for when they applied and another for when the system knew them.

Featured guide26 Jul 2026

Latest guides

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Open-source framework leaderboard

56 LLM and agent frameworks ranked by GitHub stars, with language, age, size and funding.

  • AutoGPT187,819
  • LangChain148,680
  • MetaGPT71,076

AI Slop Hall of Fame

59 design, writing and code patterns that leave the reader to do the real work.

“Every thought — however small — gets an em dash.”

The em dashFirst place, writing