Posts tagged tutorial

2 posts about tutorial.

• LangChain Prompt Caching: Setups That Actually Hit the Cache

  July 4, 2026 · prompt-cache · langchain · tutorial

  LangChain's friendliest syntax silently disables Claude's prompt cache. Measured fixes: cache_control via content blocks, variable placement, usage fields.

• LLM Prompt Caching in Python: A Working Code Tutorial

  May 24, 2026 · prompt-cache · tutorial · python

  Measured prompt-cache savings across Claude, GPT-5, Gemini 2.5, DeepSeek-v4 and Qwen3 via Synthorai's OpenAI-compatible gateway. Real usage.cost and TTFT.