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From January 4, 2024, existing completion models will give way to their more advanced, efficient successors. Developers utilising GPT-3 models, known under their respective code names of ada, babbage, curie, and davinci, can anticipate an automatic upgrade to the new iterations: ada-002, babbage-002, curie-002, and davinci-002.

OpenAI is keenly aware of the potential challenges these changes may bring, and has implemented detailed strategies to minimise disruptions. Developers currently using older completion models are advised to manually update their integrations, specifying the new models within their API requests. To ease this transition, OpenAI has introduced compatible replacements, such as gpt-3.5-turbo-instruct, designed to seamlessly replace older models.

Interestingly, OpenAI is also addressing the needs of developers who have customised their models. Those developers will be prompted to adjust their fine-tuned models using the new base GPT-3 models or explore newer offerings like gpt-3.5-turbo, and gpt-4. To alleviate any potential difficulties, OpenAI is extending priority access to GPT-3.5 Turbo and GPT-4 fine-tuning to those who had previously adjusted older models, demonstrating a profound understanding of the complexities associated with migrating from models that have been intricately tailored to specific data sets.

The transition also affects users of older embedding models who will need to switch to text-embedding-ada-002 by the same January deadline. This new model, launched in December 2022, has demonstrated superior performance and cost-efficiency compared to its predecessors, accounting for an impressive 99.9% of all embedding API usage.

OpenAI’s announcement also signals the end for the Edits API and its related models. Originally designed as an experimental tool for developers to revise prompts based on instructions, the Edits API will be supplanted by gpt-3.5-turbo and the Chat Completions API.

The shifts reflect OpenAI’s firm dedication to its users, prioritising the delivery of sophisticated, economical, and accessible developer tools. These impending changes echo OpenAI’s commitment to fostering innovation, equipping developers with state-of-the-art resources to navigate the fast-paced world of AI. OpenAI’s bold transition heralds their relentless pursuit of breaking new ground in AI technologies.

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