LLM stacks \ 4.2 APIs (deep dive)

25.0717 (0626) Lab notes (Gdrive), Git

• Model has API ✅ (Ollama API, OpenAI API, etc.)
• Agent (or UI) calls this API ✅

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25.0626

(API,SDK,GIT,cookbooks)

Agents (Langchain, your own scripts) use the libraries for these APIs to connect to the LLM.

• 4.2.1 HF
• 4.2.2 PydanticAI
• 4.2.3 OpenAI
• 4.2.4 Mistral (?)

4.2.1 HuggingFace

LIST

• LLM

  • web: https://huggingface.co/learn/llm-course/chapter12/1?fw=pt
  • github: https://github.com/huggingface/course/blob/main/chapters/en/chapter12/1.mdx
  • #395_A1d-1_HF_1_llm_course_GPT_v05
    • 12. reasoning models / Practical Exercise: GRPO with Unsloth (FAIL) 25.0601

• RL

  • #396_A1d-1_HF_2_reinf_learn_course_GPT_v05
    • Unit 1. Introduction to Deep Reinforcement Learning (BINGO)

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NEED TO add details about mechanics

• of when models downloaded....
• downloading manually
• working offline

4.2.2 PydanticAI

SITES (pics at page bottom):

• https://ai.pydantic.dev/
• https://github.com/pydantic/pydantic-ai
• https://github.com/orgs/pydantic/repositories?q=sort%3Astars

GITHUB: https://github.com/

• https://github.com/pydantic/pydantic-ai
• https://github.com/pydantic/logfire
• https://github.com/pydantic/logfire-mcp
• https://github.com/pydantic/logfire-demo
• https://github.com/pydantic/mcpdb

25.0603 PydanticAI API YT demos:

• #383 Witteveen 24.12 agent builder.
• #380 24.12 COLAB Witteveen build research agent.
• ** #382 GPT deploy #377 3.5 flight booking to render.
• ** #377_()_examples_PYDANTIC_v10_25.0507.docx. PydanticAI site.
• TODO #397 Rabbit agent in 10 mins shopify.
• #371_(OK)_agents_pydanticai_EBBELAAR_v01_25.0424.docx. 24.12 Ebbelaar AI agents. (LINK TO RABBIT).
• #299_(OK)_rag_ai_pydantic_COLE_v02_25.0205.docx. 25.01 COLE RAG.

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4.2.3 OpenAI

SITES (pics at page bottom):

• https://platform.openai.com/docs/overview
• https://openai.github.io/openai-agents-python/
• https://cookbook.openai.com/

GITHUB: https://github.com/openai

• /openai-agents-python. OpenAI Agents SDK.
• /openai-cookbook
• /whisper
• /openai-python
• /openai-node
• /tiktoken

25.0603 OpenAI API YT demos:

• #421_()_platform_docs_OPENAI_v01_25.0120.docx. platform docs. links outdated, gets redirected.
• #385D_(BINGO)_deploy_openai_agents_sdk_GPT_v01_25.0513 (1).docx. Deploy on render.
• #385_(BINGO)_openai_agents_sdk_WITTEVEEN_v01_25.0512 (1).docx. 25.0317 Witteveen In-out-burger. build agent with OpenAI Agents SDK.
• #356_(OK)_cookbook_OPENAI_v01_25.0409.docx. Cookbook.
• #351_()_openai-agents-python_OPENAI_v01_25.0403.docx. Agents SDK (#3 of 3).
• #327_(OK)_openai_responses_api_EBBELAAR_v02_25.0409_0316.docx. Ebbelaar. 25.04. Responses API.
• #319_(#902)_(OK)_openai_NINJA_v01_25.0118.docx. Net Ninja.

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4.2.4 Mistral

see #400_()_agents_mistral_WITTEVEEN_v01_25.0604