GPT 5.6 Terra

Name: GPT 5.6 Terra
Brand: OpenAI
SKU: gpt-5.6-terra

GPT-5.6 Terra is the balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic tasks where capability and cost need to be balanced.

gpt-5.6-terra

Open Relay View integration

relay/request.mjsready to route

const completion = await client.chat.completions.create({
  model: "gpt-5.6-terra",
  messages: [
    { role: "user",
      content: "Plan a multi-step task" }
  ]
});

CONTEXT1M contextprompt window

MAX OUTPUT128Kper response

INPUT$2.00 / Mtoken price

OUTPUT$12.00 / Mtoken price

Route configuration_

Choose a supported call format.

Select a format below to view its documentation. Use the displayed converter route when calling through PipeLLM.

ENDPOINThttps://api.pipellm.aiOne base URL for OpenAI Chat Completions, Responses, Anthropic, and Gemini.

SUPPORTED CALL FORMATS

OpenAI/openai/v1/chat/completionsDocs Responses/responses/v1/responsesDocs Anthropic/anthropic/v1/messagesDocs Gemini/gemini/v1beta/models/{model}:generateContentDocs Choose a call format to open its request and response documentation.

MODEL IDgpt-5.6-terraUse this in every request

GOVERNANCEPolicy controlledApprovals and tool rules apply

PROVIDER AVAILABILITY1 route

Provider	Context	Max output	Discount	Input / M	Output / M
OpenAI	1M context	128K	—	$2.00 / M	$12.00 / M

Displayed pricing is per one million tokens and may vary by provider.

SUPPORTED SURFACESactive

input: textoutput: texttool usecache controlcomputer use

Relay governs model access with the same routing policy that Lens keeps visible and auditable.