GPT-5.6 Luna Pro API: Pricing and Specs

GPT-5.6 Luna Pro API

GPT-5.6 Luna Pro is a large language model by OpenAI, available on the Venice API as openai-gpt-56-luna-pro. Requests are anonymized, so the provider never sees your identity.GPT-5.6 Luna Pro is the same underlying model as GPT-5.6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks.

GPT-5.6 Luna Pro API pricing

Model ID	Variant	Privacy	Price
`openai-gpt-56-luna-pro`	Standard	Anonymized	$0.20 / $1.20 per 1M

GPT-5.6 Luna Pro specifications

Spec	Value
Provider	OpenAI
Released	Jul 9, 2026
Privacy	Anonymized
Status	Stable
Context window	1M tokens
Max output	128K tokens
Reasoning effort	low, medium, high, xhigh, max

How to use the GPT-5.6 Luna Pro API

Send requests to POST https://api.venice.ai/api/v1/responses with "model": "openai-gpt-56-luna-pro" 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-luna-pro",
    "input": "Explain TEE attestation in two sentences.",
    "reasoning": { "effort": "medium" }
  }'

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GPT-5.6 Luna Pro API

GPT-5.6 Luna Pro API pricing

GPT-5.6 Luna Pro specifications

How to use the GPT-5.6 Luna Pro API

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