Fine-tuning now available for GPT-4o
GPT-4o fine-tuning is now live. Custom models. Better accuracy. Shipping to all API users.

Why it matters
OpenAI expands model customization capabilities, enabling enterprises to adapt GPT-4o for domain-specific tasks without retraining from scratch—a key competitive differentiator against closed-model alternatives.
The key facts
5 to knowFine-tuning capability enabled for GPT-4o
Targets enterprise customization and accuracy improvements
Available to API users
Addresses domain-specific adaptation without full retraining
Published August 20, 2024
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: Fine-tune custom versions of GPT-4o to increase performance and accuracy for your applications