> ## Documentation Index
> Fetch the complete documentation index at: https://docs.llmstudio.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Chat

> Lists all providers supported by LLMstudio

<ParamField body="api_key" type="string" required default="None">
  API key to access the provider
</ParamField>

<ParamField body="model" type="string" required>
  API key to access the provider
</ParamField>

<ParamField body="chat_input" type="string" required>
  API key to access the provider
</ParamField>

<ParamField body="parameters" type="json" default="None">
  API key to access the provider
</ParamField>

<ParamField body="is_stream" type="json" default="False">
  API key to access the provider
</ParamField>

<ResponseExample>
  ```json Response theme={null}
  {
    "id": "72f34d3b-f254-4950-9d6f-9f66e082fd2f",
    "choices": [
      {
        "finish_reason": "stop",
        "index": 0,
        "logprobs": null,
        "message": {
          "content": "Hello! I am a virtual assistant here to help with any questions or tasks you may have. How can I assist you today?",
          "role": "assistant",
          "function_call": null,
          "tool_calls": null
        }
      }
    ],
    "created": 1718622757,
    "model": "gpt-3.5-turbo",
    "object": "chat.completion",
    "system_fingerprint": null,
    "usage": null,
    "session_id": null,
    "chat_input": "Hello! Who are you?",
    "chat_output": "Hello! I am a virtual assistant here to help with any questions or tasks you may have. How can I assist you today?",
    "context": [
      {
        "role": "user",
        "content": "Hello! Who are you?"
      }
    ],
    "provider": "openai",
    "timestamp": 1718622757.612226,
    "parameters": {
      "temperature": 1,
      "max_tokens": 2048,
      "top_p": 1,
      "frequency_penalty": 0,
      "presence_penalty": 0
    },
    "metrics": {
      "input_tokens": 6,
      "output_tokens": 26,
      "total_tokens": 32,
      "cost_usd": 0.000061,
      "latency_s": 1.0556859970092773,
      "time_to_first_token_s": 0.8302950859069824,
      "inter_token_latency_s": 0.008317514702125831,
      "tokens_per_second": 26.523038175483098
    }
  }
  ```
</ResponseExample>