Build a Local LLM App in Python with Just 2 Lines of Code

Build a Local LLM App in Python with Just 2 Lines of Code

🎙 Chris Hay 👥 1.8M 📅 October 8, 2025 ⏱ 14 min 👁 46K 📄 tutorial 🧭 2026-08-06
Available in: English (current) Français

Keywords

OllamaPythonLLMlocalasync

Summary

In this tutorial, IBM Distinguished Engineer Chris Hay demonstrates how to program a large language model locally in Python using just two lines of code. He introduces Ollama as a tool to download and run models locally, and uses the Granite 3.3 model as an example. He then presents a custom Python library called ‘chuk-llm’ that simplifies interaction with LLMs. The video covers installation steps, basic usage, streaming responses with asyncio, setting system prompts for persona customization, and handling multi-turn conversations. It also shows a lower-level API approach using a client and messages array. The tutorial emphasizes ease of use and provides practical code examples throughout.

106 words

Critical Evaluation

The video is a well-executed tutorial that fulfills its promise of enabling LLM programming in two lines of code. The presenter, Chris Hay, is a Distinguished Engineer at IBM, lending credibility to the content. The tutorial is logically structured, starting with the installation of Ollama and the chuk-llm library, then progressing from simple queries to streaming, persona customization, and multi-turn conversations. The code examples are clear and reproducible, and the explanations of underlying concepts such as system prompts and asynchronous programming are concise yet informative. The use of the Granite 3.3 model, an IBM product, is appropriate given the presenter’s affiliation, but the tutorial is not overly promotional. The main strength is its practical, hands-on approach that lowers the barrier to entry for developers new to LLMs. However, the tutorial is limited in scope: it focuses on a specific library and does not delve into the broader landscape of LLM development, such as fine-tuning, evaluation, or deployment considerations. The sources cited are limited to IBM’s official pages, which are reliable but not comprehensive. The video does not address potential pitfalls or limitations of the approach, such as performance issues or security concerns. Overall, the content is accurate and valuable for beginners, but it lacks depth for more advanced users. The title accurately reflects the content, and the video is well-produced with clear visuals and code demonstrations. The public comments (not provided) would likely reflect appreciation for the simplicity and clarity of the tutorial. In summary, this is a solid introductory tutorial that achieves its goal, but it is not a comprehensive guide to LLM development.

265 words

Title / Content Match

The title accurately reflects the content: the video demonstrates building a local LLM app in Python with just two lines of code, as promised.

Quality & Reliability

8/10

The video is a practical tutorial by a Distinguished Engineer at IBM, demonstrating a clear and reproducible method to program LLMs locally. The approach is well-structured, with code examples and explanations of underlying concepts. The sources are limited to IBM's official resources, which are reliable but not exhaustive. The tutorial is accurate and up-to-date, though it focuses on a specific library and may not cover all aspects of LLM development.

Key Moments

Cited Sources

Concurring Sources

  • Ollama — The tool used to run LLMs locally, as demonstrated in the video.
  • Python asyncio — The library used for asynchronous streaming in the tutorial.

Contribution & Novelties

The video introduces a novel Python library ‘chuk-llm’ that abstracts away the complexity of interacting with LLMs, allowing developers to use just two lines of code. This is a significant simplification compared to traditional APIs. The tutorial also demonstrates how to leverage asynchronous programming for streaming responses, which is a practical technique for real-time applications. The approach is provider-agnostic, supporting local models via Ollama and cloud services like watsonx.

Pour aller plus loin :

  • Ollama — Official website for Ollama, the tool used to run LLMs locally.
  • Python asyncio documentation — Official documentation for asynchronous programming in Python, essential for streaming.
  • IBM Granite models — Information about IBM’s Granite model family, used in the tutorial.

115 words

Radar Profile

The radar profile shows high scores in information quantity, quality, and reliability, with a slightly lower technical level. This indicates a well-balanced tutorial that is both informative and accessible, though it may not delve into advanced technical details.

Reliability 8/10