{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/runcrate/main/json-schema/runcrate-chat-completion-request-schema.json",
  "title": "ChatCompletionRequest",
  "x-generated": "2026-10-21",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/_original/runcrate-api-openapi.json#/components/schemas/ChatCompletionRequest",
  "type": "object",
  "required": [
    "model",
    "messages"
  ],
  "properties": {
    "model": {
      "type": "string",
      "description": "Model id from the catalog (e.g. `deepseek/deepseek-v3.2`)."
    },
    "messages": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/ChatMessage"
      }
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    "max_tokens": {
      "type": "integer",
      "minimum": 1
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    "temperature": {
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      "minimum": 0,
      "maximum": 2
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    "top_p": {
      "type": "number",
      "minimum": 0,
      "maximum": 1
    },
    "stop": {
      "oneOf": [
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          "type": "string"
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        {
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          "items": {
            "type": "string"
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      ]
    },
    "frequency_penalty": {
      "type": "number",
      "minimum": -2,
      "maximum": 2
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    "presence_penalty": {
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      "minimum": -2,
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    "tools": {
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      "items": {
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    "response_format": {
      "type": "object"
    }
  },
  "$defs": {
    "ChatMessage": {
      "type": "object",
      "required": [
        "role",
        "content"
      ],
      "properties": {
        "role": {
          "type": "string",
          "enum": [
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            "assistant",
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        },
        "name": {
          "type": "string"
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        "content": {
          "oneOf": [
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              "type": "string"
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              "items": {
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                "properties": {
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                  "text": {
                    "type": "string"
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}