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/openai/gpt-5.6-terra

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OpenAI: GPT-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 per M tokens
Output price$12 per M tokens
Context length1050K tokens
Listed at2026-07-09T00:00:00Z

OpenAI

Latency—
Throughput—
Upload rate—
Context length1050K tokens
Max output128K tokens
Input price$2per 1M tokens
Output price$12per 1M tokens
Cache read$0.2per 1M tokens
Cache write$2.5per 1M tokens

Performance

Avg TPS—
Avg latency—
Avg success rate—
TPS—
TTFT—
Latency—
Success rate—

Success rate

Speed

Code Example

curl ${API_BASE_URL}/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

GroupRPMTPMRPD

RPM = requests per minute, TPM = tokens per minute, RPD = requests per day. Limits apply by token group.

Pricing

ProviderBilling typePrice summary
O
OpenAI
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-Default
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