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As OpenAI has gained extra reputation than ever because of the launch of ChatGPT final fall, its utility programming interface (API) has additionally turn out to be a sought-after instrument for builders. Totally different firms have discovered inspiration in OpenAI’s success and wish to replicate it, resulting in builders utilizing its APIs to construct increasingly more instruments.
To assist cope with this surge in demand, OpenAI has introduced some adjustments to its API, corresponding to improved operate calling functionality, extra steerable variations of GPT-4 and GPT-3.5 Turbo, a brand new 16k context model of GPT-3.5 Turbo, and a 75% price discount within the Embeddings mannequin, the latter leading to diminished prices for builders that pay for the API.
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A number of the new updates embody a brand new operate calling functionality within the Chat Completions API that may enable builders to attach the ability of the GPT fashions with exterior instruments extra reliably. With the replace, builders will be capable of present directions for GPT-4 and GPT-3.5 Turbo by describing the capabilities, and the mannequin will output a JSON object with the required arguments to name these capabilities.
This replace makes it simpler for builders to construct chatbots or functions that work together with exterior instruments and APIs to carry out particular duties, corresponding to sending emails, retrieving climate or flight info, or extracting information from textual content sources corresponding to web sites.
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The updates additionally make for extra steerable GPT-4 and GPT-3.5 fashions, so builders can exert better management over the fashions’ output. OpenAI is permitting builders to craft the context, specify desired formatting, and supply directions to the mannequin concerning the desired output. Primarily, builders have extra say over the tone, fashion, and content material of the responses generated by the fashions used of their functions.
OpenAI additionally introduced the launch of the brand new 16k context model of GPT-3.5 Turbo, which differs from the GPT-3.5 mannequin behind ChatGPT, because it was particularly tailor-made for builders to create chat-based functions. The most recent 16k mannequin is an upgraded variant from the usual, beforehand used 4k mannequin.
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The context in “16k context” is used to explain the textual content inside a dialog that helps present context and helps the mannequin perceive the enter and supply responses which are related to the dialog. The 4k, or 4,000, tokens in the usual GPT-3.5 Turbo mannequin restricted the mannequin’s skill to keep up the context in a dialog to some paragraphs. 16k, or 16,000, tokens, equals about 20 pages of textual content, giving the mannequin a bigger quantity of textual content as context.
Lastly, OpenAI introduced it has been capable of turn out to be extra environment friendly and cut back prices, so it is lowering the Embeddings mannequin by 75% to $0.0001 per 1k tokens, and the GPT-3.5 Turbo by 25% to $0.0014 per 1k enter tokens and $0.002 per 1k output tokens. The brand new GPT-3.5 Turbo-16k mannequin is priced at $0.003 per 1k enter tokens and $0.004 per 1k output tokens.