OpenAI, a leading player in the field of generative AI, has announced significant updates to its text-generating models, GPT-3.5-turbo and GPT-4, while also reducing their pricing. The enhancements include a new feature known as function calls, which allows developers to describe programming functions to these models, which then generate code to execute those functions. This feature can be used to create chatbots that answer questions by calling external tools, convert natural language into database queries, and extract structured data from text.
In addition to function calls, OpenAI has introduced a version of GPT-3.5-turbo with an expanded context window. The context window, measured in tokens, refers to the text the model considers before generating any additional text. The new GPT-3.5-turbo offers four times the context length (16,000 tokens) of the standard GPT-3.5-turbo, albeit at twice the price. However, OpenAI has also announced a 25% price reduction for the original GPT-3.5-turbo.
The company has also reduced the price for text-embedding-ada-002, one of its popular text-embedding models, by 75%. Text embeddings measure the relatedness of text strings and are commonly used for searches and recommendations.
OpenAI’s CEO, Sam Altman, has indicated that the company’s focus is on incremental updates to existing models rather than developing new models from scratch. This approach follows the release of GPT-4 in early March, and Altman has stated that the company “has a lot of work to do” before it starts training the successor to GPT-4.
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