GPT-5.6 Terra API: Pricing and Specs

GPT-5.6 Terra API

GPT-5.6 Terra is a large language model by OpenAI, available on the Venice API as openai-gpt-56-terra. Requests are anonymized, so the provider never sees your identity.GPT-5.6 Terra is a 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 API pricing

Model ID	Variant	Privacy	Price
`openai-gpt-56-terra`	Standard	Anonymized	$2.00 / $12.00 per 1M

GPT-5.6 Terra specifications

Spec	Value
Provider	OpenAI
Released	Jul 9, 2026
Privacy	Anonymized
Status	Stable
Context window	1M tokens
Max output	128K tokens
Reasoning effort	none, low, medium, high, xhigh, max

How to use the GPT-5.6 Terra API

Send requests to POST https://api.venice.ai/api/v1/responses with "model": "openai-gpt-56-terra" and your API key.

curl https://api.venice.ai/api/v1/responses \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai-gpt-56-terra",
    "input": "Explain TEE attestation in two sentences.",
    "reasoning": { "effort": "high" }
  }'

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Aion 3.5 API: $3.75 / $7.50 per 1M
Qwen 3.7 Max API: $2.70 / $8.05 per 1M

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GPT-5.6 Terra API