Most important Python Libraries Every AI Engineer Should Know
Hugging Face Transformers
The Hugging Face Transformers library is the ultimate tool for handling NLP tasks and pre-trained models.
Ollama
A framework called Ollama is used to run and administer open-source LLMs locally.
OpenAI Python SDK
The official toolkit for incorporating OpenAI's language models into Python applications is called the OpenAI Python SDK.
Anthropic SDK
A specialized client library for integrating with Claude and other Anthropic models is the Anthropic Python SDK.
LangChain
A framework called LangChain aids programmers in creating LLM applications.
LlamaIndex
A framework called LlamaIndex was created expressly to assist developers in integrating custom data with LLMs.
Best ways to Mastering Large Language Model Fine-tuning in 2025
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