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GPT-5.6 Terra

OpenAIModel IDgpt-5.6-terra
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GPT-5.6 Terra

OpenAIModel IDgpt-5.6-terra

GPT-5.6 Terra is a balanced reasoning model in the GPT-5.6 family, designed for workloads that require strong intelligence at a lower cost. It supports advanced reasoning, coding, multimodal understanding, agentic workflows, structured outputs, function calling, web search, file search, computer use, and long-context tasks with a 1.05M-token context window.

ModeText / Image → Text
Input price$2
Output price$12
Context length1050K tokens

Capabilities & limits

Use cases
Not available
Model capabilities
Not available
Model Brand
OpenAI
Input modality
Text / Image
Output modality
Text
Max output
128K tokens

Pricing

ProviderBilling typePrice summary
O
OpenAI-Balanced
Expression
Input price$2per 1M tokens
Completion price$12per 1M tokens
Cache read price$0.2per 1M tokens
Cache write price$2.5per 1M tokens
O
OpenAI-Custom
Expression
Input price$2per 1M tokens
Completion price$12per 1M tokens
Cache read price$0.2per 1M tokens
Cache write price$2.5per 1M tokens

Integration

Code Example

curl http://127.0.0.1:4179/v1/batch \
  -H "Authorization: Bearer <YOUR_API_KEY>" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.6-terra",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

Replace <YOUR_API_KEY> with the API key generated on your token management page.

Authentication

All requests must include the Authorization: Bearer <TOKEN> header.

Endpoint Path

POST
openai-batch

Supported Parameters

ParameterTypeDefaultDescription
stringmediumControls reasoning depth. Supported values: none, low, medium, high, xhigh, and max.
integer-Controls the maximum number of output tokens, including reasoning and visible output where applicable.
booleanfalseEnables incremental streaming responses.

Rate Limits

RPM

No rate limits configured

RPM = requests per minute.