OpenAI makes fine-tuning for GPT-4o customization generally available

August 20, 2024: OpenAI Launches GPT-4o Fine-Tuning Feature - OpenAI has launched fine-tuning for its GPT-4o model, enabling developers to create custom versions for specific tasks using tailored datasets. This enhancement promises higher performance and cost efficiency for specialized applications. Fine-tuned models have shown strong results, including a top performance in the BIRD-SQL benchmark. Fine-tuning is available for all paid usage tiers, with initial free training tokens provided until Sept. 23.