Skip to content
IFAI

Reinforcement Fine-Tuning

Product2 stories

  1. AI modelsReach 51

    OpenAI brings reinforcement fine-tuning to o4-mini

    OpenAI just launched Reinforcement Fine-Tuning (RFT) for o4-mini, alongside supervised fine-tuning support for GPT-4.1 nano. RFT pairs chain-of-thought reasoning with task-specific grading to boost accuracy in complex fields like tax, accounting, and coding. It basically gives developers a way to turn OpenAI's fastest and cheapest models into custom domain experts.

  2. AI modelsReach 39

    OpenAI opens up reinforcement fine-tuning for complex tasks

    OpenAI just expanded its Reinforcement Fine-Tuning Research Program, offering select developers alpha API access to build domain-specific expert models. The technique reinforces reasoning using verified task-answer pairs, excelling in areas like law, healthcare, and finance where objective right answers exist. A public release is slated for early 2025.