GPT-6 Luna API: Pricing and Specs

GPT-6 Luna API

GPT-6 Luna is a large language model by OpenAI, available on the Venice API as openai-gpt-6-luna. Requests are anonymized, so the provider never sees your identity.GPT-6 Luna is OpenAI’s most efficient GPT-6 model for focused, high-volume tasks. It is suited for chat, classification, and lightweight agentic workflows, with a 1.05M token context window (922K input, 128K output), text and image inputs, and capable reasoning for its price tier.

GPT-6 Luna API pricing

Model ID	Variant	Privacy	Price
`openai-gpt-6-luna`	Standard	Anonymized	$0.10 / $0.50 per 1M

GPT-6 Luna specifications

Spec	Value
Provider	OpenAI
Released	Sep 22, 2026
Privacy	Anonymized
Status	Stable
Context window	1.05M tokens
Max output	128K tokens
Reasoning effort	none, low, medium, high, xhigh, max

How to use the GPT-6 Luna API

Send requests to POST https://api.venice.ai/api/v1/responses with "model": "openai-gpt-6-luna" 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-6-luna",
    "input": "Explain TEE attestation in two sentences.",
    "reasoning": { "effort": "high" }
  }'

Related models

GPT-5.6 Luna API: $0.20 / $1.20 per 1M
Claude Haiku 5.5 API: $0.10 / $0.50 per 1M
MiMo-V2.6-Flash API: $0.175 / $0.35 per 1M
Qwen 3.8 Flash API: $0.14 / $0.49 per 1M
GLM 5.3 Flash API: $0.15 / $0.50 per 1M

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GPT-6 Luna API