SLS Resources

Technical References

Deep dives on AI frameworks, infrastructure, and production architecture.

January 31, 2026

Agentic Frameworks: A First-Principles Deep Dive

Every agentic framework provides the same ~6 core abstractions. We break down LangGraph, OpenAI Agents SDK, CrewAI, PydanticAI, and Google ADK to help you choose the right one.

agentsLangGraphPydanticAIarchitecture

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January 14, 2026

LLM API Abstraction Landscape

OpenAI's chat/completions became the de facto standard, but the ecosystem is fragmenting. A first-principles look at wire protocols, provider differences, and when abstraction layers help or hurt.

LLM APIsabstractionPydanticAIinfrastructure

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