GPT-6.1 Terra Chat Completion

Use GPT-6.1 Terra for everyday writing, structured extraction, and bilingual summaries through the PixMind API, with streaming and token pricing at 80% of official Standard rates.

GPT-6.1 Terra helps with everyday writing, structured extraction, and bilingual summaries. The current text route supports streamed responses, with up to 922K input tokens and 12.8K output tokens. Application and API prices are 80% of official Standard rates, with a whole-request long-context tier above 272K input tokens.

GPT-6.1 Terra through PixMind's OpenAI-compatible chat completions endpoint.

Provider

OpenAI

Model ID

gpt-6.1-terra

Endpoint

POST /api-platform/v1/chat/completions

Open model playground Create API key

Authentication

Base URL: https://aihub-admin.aimix.pro. Send Authorization: Bearer <PIXMIND_API_KEY> on both creation and polling requests, and Content-Type: application/json when submitting JSON. Keep your key in a server environment variable.

Model notes

Keep the API key on your server and use streaming when the client needs incremental output.
The current text route supports streamed responses, up to 922K input tokens and 12.8K output tokens.
Above 272K input tokens, the long-context tier applies to the whole request.
The default prompt-cache retention is 30 minutes.

Request parameters

Parameter	Type	Required	Description
`model`	string	Yes	Stable PixMind model ID. Use `gpt-6.1-terra`. Allowed values: `gpt-6.1-terra`
`messages`	array	Yes	OpenAI-compatible chat messages. Gemini user content may be a string or an array of text, image_url, and video_url blocks.
`max_tokens`	integer	No	Maximum completion tokens; send a positive integer up to 12800. Playground default: `4096`
`temperature`	number	No	Sampling temperature, a number from 0 to 2 where supported. Default: `1`
`reasoning_effort`	string	No	Requested reasoning depth for this model. Allowed values: `none`, `low`, `medium`, `high`, `xhigh`, `max` Default: `medium`
`stream`	boolean	No	Return tokens incrementally when enabled. Allowed values: `true`, `false` Default: `false`

Request example

cURL

curl --request POST 'https://aihub-admin.aimix.pro/api-platform/v1/chat/completions' \
  -H "Authorization: Bearer $PIXMIND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "gpt-6.1-terra",
  "messages": [
    {
      "role": "user",
      "content": "Draft three launch concepts for this product."
    }
  ],
  "reasoning_effort": "medium",
  "max_tokens": 1024,
  "stream": false
}'

JavaScript

// Node.js 20+. Keep the API key on your server.
const apiKey = process.env.PIXMIND_API_KEY;
if (!apiKey) throw new Error("PIXMIND_API_KEY is required");

const response = await fetch("https://aihub-admin.aimix.pro/api-platform/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${apiKey}`,
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
  "model": "gpt-6.1-terra",
  "messages": [
    {
      "role": "user",
      "content": "Draft three launch concepts for this product."
    }
  ],
  "reasoning_effort": "medium",
  "max_tokens": 1024,
  "stream": false
}),
  signal: AbortSignal.timeout(30_000)
});

const task = await response.json();
if (!response.ok) {
  throw new Error(task.message ?? task.error?.message ?? `HTTP ${response.status}`);
}
console.log(task);

Response example

Non-streaming chat completions return choices directly. With stream: true, consume the SSE stream instead.

200 OK

{
  "id": "chatcmpl_example",
  "object": "chat.completion",
  "model": "gpt-6.1-terra",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hello!"
      },
      "finish_reason": "stop"
    }
  ]
}