{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://docs.cheapgpu.com/specs/endpoint-v1-draft/schemas/openai-chat-text.schema.json",
  "$comment": "Draft only. Structural validation does not establish safety, authenticity, availability, or billability.",
  "$ref": "#/$defs/request",
  "$defs": {
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      "type": "object",
      "properties": {
        "prompt_tokens": {
          "type": "integer",
          "minimum": 0,
          "maximum": 9007199254740991
        },
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        },
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      },
      "required": [
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        "completion_tokens",
        "total_tokens"
      ],
      "additionalProperties": true
    },
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      "properties": {
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          "type": "string",
          "minLength": 1,
          "maxLength": 256
        },
        "messages": {
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          "minItems": 1,
          "items": {
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                "enum": [
                  "system",
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                "type": "string"
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            "required": [
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          }
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        "max_completion_tokens": {
          "type": "integer",
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        },
        "stream": {
          "type": "boolean"
        },
        "stream_options": {
          "type": "object",
          "properties": {
            "include_usage": {
              "const": true
            }
          },
          "required": [
            "include_usage"
          ],
          "additionalProperties": false
        }
      },
      "required": [
        "model",
        "messages",
        "max_completion_tokens",
        "stream"
      ],
      "additionalProperties": false,
      "allOf": [
        {
          "if": {
            "properties": {
              "stream": {
                "const": true
              }
            },
            "required": [
              "stream"
            ]
          },
          "then": {
            "properties": {
              "stream_options": {}
            },
            "required": [
              "stream_options"
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          },
          "else": {
            "properties": {
              "stream_options": false
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        "usage"
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          "const": "chat.completion"
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          "minimum": 0,
          "maximum": 9007199254740991
        },
        "model": {
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          "items": {
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            "properties": {
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              },
              "message": {
                "type": "object",
                "required": [
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                ],
                "properties": {
                  "role": {
                    "const": "assistant"
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                  "content": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "tool_calls": { "type": "null" },
                  "function_call": { "type": "null" },
                  "audio": { "type": "null" }
                },
                "additionalProperties": true
              },
              "finish_reason": {
                "enum": [
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                ]
              }
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            "allOf": [
              {
                "if": {
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                      "properties": {
                        "content": { "type": "null" }
                      },
                      "required": ["content"]
                    }
                  },
                  "required": ["message"]
                },
                "then": {
                  "properties": {
                    "finish_reason": { "const": "content_filter" }
                  }
                }
              }
            ],
            "additionalProperties": true
          }
        },
        "usage": {
          "$ref": "#/$defs/usage"
        }
      },
      "additionalProperties": true
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    "chunk": {
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        },
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          "maximum": 9007199254740991
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        "model": {
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          "items": {
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            "properties": {
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              },
              "delta": {
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                "properties": {
                  "role": {
                    "const": "assistant"
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                  "tool_calls": { "type": "null" },
                  "function_call": { "type": "null" },
                  "audio": { "type": "null" }
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                "additionalProperties": true
              },
              "finish_reason": {
                "enum": [
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                  "stop",
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                  "content_filter"
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            "additionalProperties": true
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        "usage": {
          "anyOf": [
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            {
              "$ref": "#/$defs/usage"
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          ]
        }
      },
      "additionalProperties": true
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    "error": {
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          "required": [
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          "properties": {
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            "type": {
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              "minLength": 1,
              "maxLength": 256
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            "code": {
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            "param": {
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          },
          "additionalProperties": true
        }
      },
      "required": [
        "error"
      ],
      "additionalProperties": false
    }
  }
}