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Fine-tune your own LLM in 13 minutes, here’s how

2025-10-13 Education
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David Ondrej
David Ondrej
402.0k subscribers

Step-by-Step Guide to Fine-Tuning Your Own AI Model Using Unsloth

Learn exactly how to fine-tune an open-source AI model from scratch using free Google Colab resources, establishing a defensible business moat using customized technology.

Short Summary

  • Fine-tuning adapts base models (like GPT OSS 20B) to excel at specific tasks, offering a business advantage over commodity AI services.
  • The process leverages the Unsloth library within a free Google Colab environment, which supplies necessary GPU power.
  • Successful fine-tuning requires high-quality, task-specific datasets, such as those focused on reasoning and agentic behavior.

This presentation walks through setting up the environment, selecting the base model, preparing data, running the training loop, and testing the resulting custom model. Mastering this skill is positioned as essential for serious AI practitioners seeking long-term business viability.

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Description

Try Vectal for FREE: https://www.vectal.ai/ Wanna start a business with AI Agents? Go here: https://www.skool.com/new-society Devs, I'm hiring! Apply here: https://www.vectal.ai/jobs Follow me on Instagram - https://www.instagram.com/davidondrej1/ Follow me on Twitter - https://x.com/DavidOndrej1 Host your n8n agents on Hostinger: https://www.hostinger.com/david Google Colab - https://colab.research.google.com/github/unslothai/notebooks/blob/main/nb/gpt-oss-(20B)-Fine-tuning.ipynb Unsloth - https://unsloth.ai/ The dataset - https://huggingface.co/datasets/internlm/Agent-FLAN Subscribe if you're serious about AI. Fine-tune any AI model for free www.vectal.ai

Top Comments (10)

@balandis-izidorius 2025-10-13

Fine-tuning is easy, preparing data properly is the hard, very hard part.

177 16 replies
@garrylowther 2025-10-16

I appreciate your video, but I would have liked to see the actual end user benefits of using a fine tuned LLM via a demo at the end.

54 1 replies
@acedusse5119 2025-10-13

you already know we want you to dig deeper into the OpenAI harmony prompts

6
@DavidOndrej 2025-10-13

💼 Learn about the best AI Business models here - https://www.youtube.com/watch?v=Ta5g-OxjPO4

4 1 replies
@aspirinemaga 2026-04-04

I have absolutely no idea what are you doing. Unsloth notebooks are now updated, and I have 2x no idea how I suppose to understand what should I do. I don't even understand how can you understand what are you doing, but thanks for the video, it keeps us motivating

3
@TPSnix 2026-04-05

Would love to see a more in depth version of this, with preparing training data, and actually do the finetuning on your own hardware

2
@AndresSanchez-YT 2025-10-14

Excellent video, brother, many congratulations and blessings. Stay tuned for the continuation of this video, as well as the address to test GPT-OSS with your fine-tuning.

2
@Sanyat100 2025-10-22

I have heard your voice so many times that now it became very soothing for me.

1
@Visage98 2025-11-03

you are so inspiring especially 8:38 "because this has released just two months ago and somehow i haven't seen it before" thank you so much for this content

0
@RameshKumar-so9bh 2025-10-25

It's really Excellent David, It gave me kick start with finetuning :) Now, next part is preparing the dataset on our own, how we could do that. Appreciate if you could bring something around that. That would compete the full lifecycle of pushing on our own model journey. Thanks again for brining these knowledge videos, keep spreading the knowledge to groww. God Bless you!!

0

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