May 7, 2025 · OpenAIFeature
Reinforcement fine-tuning launched, and gpt-4.1-nano can be fine-tuned
Launched support for reinforcement fine-tuning. Learn about available fine-tuning methods. gpt-4.1-nano is now available for fine-tuning.
May 7, 2025 · OpenAIFeature
Launched support for reinforcement fine-tuning. Learn about available fine-tuning methods. gpt-4.1-nano is now available for fine-tuning.