Commissioned Docs
Everything you need to build custom AI models with Commissioned.
Welcome to Commissioned
Commissioned is a fine-tuning-as-a-service platform. Upload your data, pick a base model, and get a custom AI — no ML expertise required. Your fine-tuned model is ready to chat with or call via API in minutes.
New here? Follow the quick start guide to create your first fine-tuned model in under 5 minutes.
How it works
Upload your data
Drag and drop files — JSONL, JSON, PDF, TXT, or Markdown. Up to 5 GB per file, multiple files supported. No pre-formatting required.
Pick a base model
Choose from OpenAI GPT-4.1, Google Gemini 2.5, or open-source Qwen 3 8B — compare models.
Get your custom model
Training takes 5–45 minutes depending on the provider. Once done, use the built-in chat UI or call the OpenAI-compatible API from any app.
Explore the docs
Getting Started
Create your account and fine-tune your first model in minutes.
Data
Supported file formats, upload limits, and data best practices.
Models
Compare providers, training options, and LoRA adapters.
Chat
Use the built-in chat UI to talk to your fine-tuned models.
API
Integrate via the OpenAI-compatible API from any app.
Guides
Step-by-step tutorials for writing assistants, support agents, and more.