Vapi · Schema

WorkflowOpenAIModel

Artificial IntelligenceVoiceAgentsReal-TimeCPaaS

Properties

Name	Type	Description
provider	string	This is the provider of the model (`openai`).
model	string	This is the OpenAI model that will be used. When using Vapi OpenAI or your own Azure Credentials, you have the option to specify the region for the selected model. This shouldn't be specified unless y
temperature	number	This is the temperature of the model.
maxTokens	number	This is the max tokens of the model.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/WorkflowOpenAIModel",
  "title": "WorkflowOpenAIModel",
  "type": "object",
  "properties": {
    "provider": {
      "type": "string",
      "description": "This is the provider of the model (`openai`).",
      "enum": [
        "openai"
      ]
    },
    "model": {
      "type": "string",
      "description": "This is the OpenAI model that will be used.\n\nWhen using Vapi OpenAI or your own Azure Credentials, you have the option to specify the region for the selected model. This shouldn't be specified unless you have a specific reason to do so. Vapi will automatically find the fastest region that make sense.\nThis is helpful when you are required to comply with Data Residency rules. Learn more about Azure regions here https://azure.microsoft.com/en-us/explore/global-infrastructure/data-residency/.",
      "maxLength": 100,
      "enum": [
        "gpt-5.4",
        "gpt-5.4-mini",
        "gpt-5.4-nano",
        "gpt-5.2",
        "gpt-5.2-chat-latest",
        "gpt-5.1",
        "gpt-5.1-chat-latest",
        "gpt-5",
        "gpt-5-chat-latest",
        "gpt-5-mini",
        "gpt-5-nano",
        "gpt-4.1-2025-04-14",
        "gpt-4.1-mini-2025-04-14",
        "gpt-4.1-nano-2025-04-14",
        "gpt-4.1",
        "gpt-4.1-mini",
        "gpt-4.1-nano",
        "chatgpt-4o-latest",
        "o3",
        "o3-mini",
        "o4-mini",
        "o1-mini",
        "o1-mini-2024-09-12",
        "gpt-4o-mini-2024-07-18",
        "gpt-4o-mini",
        "gpt-4o",
        "gpt-4o-2024-05-13",
        "gpt-4o-2024-08-06",
        "gpt-4o-2024-11-20",
        "gpt-4-turbo",
        "gpt-4-turbo-2024-04-09",
        "gpt-4-turbo-preview",
        "gpt-4-0125-preview",
        "gpt-4-1106-preview",
        "gpt-4",
        "gpt-4-0613",
        "gpt-3.5-turbo",
        "gpt-3.5-turbo-0125",
        "gpt-3.5-turbo-1106",
        "gpt-3.5-turbo-16k",
        "gpt-3.5-turbo-0613",
        "gpt-4.1-2025-04-14:westus",
        "gpt-4.1-2025-04-14:eastus2",
        "gpt-4.1-2025-04-14:eastus",
        "gpt-4.1-2025-04-14:westus3",
        "gpt-4.1-2025-04-14:northcentralus",
        "gpt-4.1-2025-04-14:southcentralus",
        "gpt-4.1-2025-04-14:westeurope",
        "gpt-4.1-2025-04-14:germanywestcentral",
        "gpt-4.1-2025-04-14:polandcentral",
        "gpt-4.1-2025-04-14:spaincentral",
        "gpt-4.1-mini-2025-04-14:westus",
        "gpt-4.1-mini-2025-04-14:eastus2",
        "gpt-4.1-mini-2025-04-14:eastus",
        "gpt-4.1-mini-2025-04-14:westus3",
        "gpt-4.1-mini-2025-04-14:northcentralus",
        "gpt-4.1-mini-2025-04-14:southcentralus",
        "gpt-4.1-mini-2025-04-14:westeurope",
        "gpt-4.1-mini-2025-04-14:germanywestcentral",
        "gpt-4.1-mini-2025-04-14:polandcentral",
        "gpt-4.1-mini-2025-04-14:spaincentral",
        "gpt-4.1-nano-2025-04-14:westus",
        "gpt-4.1-nano-2025-04-14:eastus2",
        "gpt-4.1-nano-2025-04-14:westus3",
        "gpt-4.1-nano-2025-04-14:northcentralus",
        "gpt-4.1-nano-2025-04-14:southcentralus",
        "gpt-4o-2024-11-20:swedencentral",
        "gpt-4o-2024-11-20:westus",
        "gpt-4o-2024-11-20:eastus2",
        "gpt-4o-2024-11-20:eastus",
        "gpt-4o-2024-11-20:westus3",
        "gpt-4o-2024-11-20:southcentralus",
        "gpt-4o-2024-11-20:westeurope",
        "gpt-4o-2024-11-20:germanywestcentral",
        "gpt-4o-2024-11-20:polandcentral",
        "gpt-4o-2024-11-20:spaincentral",
        "gpt-4o-2024-08-06:westus",
        "gpt-4o-2024-08-06:westus3",
        "gpt-4o-2024-08-06:eastus",
        "gpt-4o-2024-08-06:eastus2",
        "gpt-4o-2024-08-06:northcentralus",
        "gpt-4o-2024-08-06:southcentralus",
        "gpt-4o-mini-2024-07-18:westus",
        "gpt-4o-mini-2024-07-18:westus3",
        "gpt-4o-mini-2024-07-18:eastus",
        "gpt-4o-mini-2024-07-18:eastus2",
        "gpt-4o-mini-2024-07-18:northcentralus",
        "gpt-4o-mini-2024-07-18:southcentralus",
        "gpt-4o-2024-05-13:eastus2",
        "gpt-4o-2024-05-13:eastus",
        "gpt-4o-2024-05-13:northcentralus",
        "gpt-4o-2024-05-13:southcentralus",
        "gpt-4o-2024-05-13:westus3",
        "gpt-4o-2024-05-13:westus",
        "gpt-4-turbo-2024-04-09:eastus2",
        "gpt-4-0125-preview:eastus",
        "gpt-4-0125-preview:northcentralus",
        "gpt-4-0125-preview:southcentralus",
        "gpt-4-1106-preview:australiaeast",
        "gpt-4-1106-preview:canadaeast",
        "gpt-4-1106-preview:france",
        "gpt-4-1106-preview:india",
        "gpt-4-1106-preview:norway",
        "gpt-4-1106-preview:swedencentral",
        "gpt-4-1106-preview:uk",
        "gpt-4-1106-preview:westus",
        "gpt-4-1106-preview:westus3",
        "gpt-4-0613:canadaeast",
        "gpt-3.5-turbo-0125:canadaeast",
        "gpt-3.5-turbo-0125:northcentralus",
        "gpt-3.5-turbo-0125:southcentralus",
        "gpt-3.5-turbo-1106:canadaeast",
        "gpt-3.5-turbo-1106:westus"
      ]
    },
    "temperature": {
      "type": "number",
      "description": "This is the temperature of the model.",
      "minimum": 0,
      "maximum": 2
    },
    "maxTokens": {
      "type": "number",
      "description": "This is the max tokens of the model.",
      "minimum": 50,
      "maximum": 10000
    }
  },
  "required": [
    "provider",
    "model"
  ]
}

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