OpenAI introduces Structured Outputs and reduces GPT-4 pricing by 50%. Structured Outputs ensure model outputs match developer-supplied JSON Schemas, addressing a challenge since function calling was introduced. Developers can implement this by setting `strict: true` in function definitions or as a `response_format` option. The latest GPT-4 version also offers a 50% reduction in input token pricing and a 33% reduction in output token pricing.
OpenAI has announced fine-tuning for GPT-4o-mini, allowing users to customize the model for specific applications. Available to tier 4 and 5 users, with plans to expand, the first 2 million training tokens per day are free through September 23, 2023. Benefits include higher quality results, token savings, and lower latency. Supported models include gpt-4o-mini-2024-07-18 and others. Fine-tuning is recommended after exploring prompt engineering.
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OpenAI has introduced the Batch API, which offers cost savings and higher rate limits for asynchronous tasks like summarization, translation, and image classification. Users can upload a file of bulk requests and expect results within 24 hours, all while enjoying a 50% discount on API prices.
