Fine-Tuning Walkthrough
One short pass from sign-up to a working fine-tuned model.
What you need
- A browser
- Data to train on (docs, chats, datasets)
Walkthrough
Sign up
Go to app.commissioned.tech and create an account. No credit card required for the free tier.
Upload files
Drag and drop files on the dashboard. Supported formats: JSONL, JSON, PDF, TXT, Markdown. Up to 5 GB per file.
Describe the goal and pick a base model
Write a one-sentence description of what the model should do (for example: character roleplay, a LinkedIn post generator, a blog writer, or an email assistant). Then pick a base model. If you're unsure, choose GPT-4.1. See Use Cases for more examples and data formats.
Train and use
Click Create a Custom Model. Training typically takes 5-45 minutes. When the status is Succeeded, click Open in chat or use the API.