Fine-tunes

Last updated Apr 21, 2026 Learn how to use Workers AI to get fine-tuned inference.

Fine-tuned inference with LoRAs

Upload a LoRA adapter and run fine-tuned inference with one of our base models.

Run inference with LoRAs

What is fine-tuning?

Fine-tuning is a general term for modifying an AI model by continuing to train it with additional data. The goal of fine-tuning is to increase the probability that a generation is similar to your dataset. Training a model from scratch is not practical for many use cases given how expensive and time consuming they can be to train. By fine-tuning an existing pre-trained model, you benefit from its capabilities while also accomplishing your desired task.

Low-Rank Adaptation ↗︎ (LoRA) is a specific fine-tuning method that can be applied to various model architectures, not just LLMs. It is common that the pre-trained model weights are directly modified or fused with additional fine-tune weights in traditional fine-tuning methods. LoRA, on the other hand, allows for the fine-tune weights and pre-trained model to remain separate, and for the pre-trained model to remain unchanged. The end result is that you can train models to be more accurate at specific tasks, such as generating code, having a specific personality, or generating images in a specific style.

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