Comprehensive LLM Finetuning Guide 2025

mmayank bhardwaj
12/11/2025
5 min read
Comprehensive LLM Finetuning Guide 2025
Now this won’t be a fast read, but if you bear with me till the end of this post, you’ll have all the knowledge you need as an AI practitioner to Finetuning LLMs. Granted, It’s is impossible to cover EVERYTHING in details, but the level of details will depend on the relevance of the concept, method, or tool that I’m explaining. So what’s LLM finetuning? An LLM is a pre-trained Large Language Model that has been trained on a massive amount of general text data. ➡ LLM Finetuning is the process of taking this pre-trained model and performing additional training on a smaller, task-specific, or domain-specific dataset to specialize its knowledge and improve its performance for a particular application.

About the Author

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mayank bhardwaj

Senior Engineer at Codlyn Softwares. Passionate about building scalable systems and sharing knowledge with the community.