OpenAiChatModelSettings
Settings passed to the chat model Generative AI provider with each request.
You can add any additional properties to this object at runtime as needed by your provider. :::
Constructors
new OpenAiChatModelSettings(undefined)
new OpenAiChatModelSettings():
OpenAiChatModelSettings
Returns
Properties
frequency_penalty?
frequency_penalty?:
number
Optional. Defaults to 0. Number between -2.0 and 2.0. Positive values penalize new tokens based on their existing frequency in the text so far, decreasing the model’s likelihood to repeat the same line verbatim.
kind
kind:
"openai"
Required. Indicates the kind of Generate AI API you’re calling.
logit_bias?
logit_bias?:
Map<string,number>
Optional. Modify the likelihood of specified tokens appearing in the completion. Accepts an object that maps tokens (specified by their token ID in the tokenizer) to an associated bias value from -100 to 100. Mathematically, the bias is added to the logits generated by the model prior to sampling. The exact effect will vary per model, but values between -1 and 1 should decrease or increase likelihood of selection; values like -100 or 100 should result in a ban or exclusive selection of the relevant token.
logprobs?
logprobs?:
boolean
Optional. Defaults to false. Whether to return log probabilities of the output tokens or not. If true, returns the log probabilities of each output token returned in the content of message.
max_tokens?
max_tokens?:
number
Optional. The maximum number of tokens that can be generated in the chat completion. The total length of input tokens and generated tokens is limited by the model’s context length.
n?
n?:
number
Optional. Defaults to 1. How many chat completion choices to generate for each input message. Note that you will be charged based on the number of generated tokens across all of the choices. Keep n as 1 to minimize costs.
presence_penalty?
presence_penalty?:
number
Optional. Defaults to 0. Number between -2.0 and 2.0. Positive values penalize new tokens based on whether they appear in the text so far, increasing the model’s likelihood to talk about new topics.
response_format?
response_format?:
"text"|"json"
Optional. Defaults to text. Setting to ‘json’ enables JSON mode, which guarantees the message the model generates is valid JSON. Important: when using JSON mode, you must also instruct the model to produce JSON yourself via a system or user message. Without this, the model may generate an unending stream of whitespace until the generation reaches the token limit, resulting in a long-running and seemingly “stuck” request. Also note that the message content may be partially cut off if finish_reason=“length”, which indicates the generation exceeded max_tokens or the conversation exceeded the max context length.
seed?
seed?:
number
Optional. If specified, our system will make a best effort to sample deterministically, such that repeated requests with the same seed and parameters should return the same result. Determinism is not guaranteed, and you should refer to the system_fingerprint response parameter to monitor changes in the backend.
stop?
stop?:
string|string[]
Optional. Up to 4 sequences where the API will stop generating further tokens.
temperature?
temperature?:
number
Optional. Defaults to 1. What sampling temperature to use, between 0 and 2. Higher values like 0.8 will make the output more random, while lower values like 0.2 will make it more focused and deterministic. We generally recommend altering this or top_p but not both.
top_logprobs?
top_logprobs?:
number
Optional. An integer between 0 and 5 specifying the number of most likely tokens to return at each token position, each with an associated log probability. logprobs must be set to true if this parameter is used.
top_p?
top_p?:
number
Optional. Defaults to 1. An alternative to sampling with temperature, called nucleus sampling, where the model considers the results of the tokens with top_p probability mass. So 0.1 means only the tokens comprising the top 10% probability mass are considered. We generally recommend altering this or temperature but not both.
user?
user?:
string
Optional. A unique identifier representing your end-user, which can help OpenAI to monitor and detect abuse.
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