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GPT-6 Luna (Decisions) API pricing

openai/gpt-6-luna-decisions

Structured decisions. GPT-6 Luna (Decisions) by OpenAI, routed through INFRO on a OpenAI account you connect — alongside every other provider you run. OpenAI bills you for it directly, on that account and at your own rate. INFRO adds routing, failover, request logs, cost attribution and policy around it, and takes no part of what you pay OpenAI.

Pricing

Per 1M tokensUSD · updated 2026-10-05

OpenAI rate

$0.10

per 1M input tokens, output free, billed to you by OpenAI

INFRO adds

$0

0% markup on model spend

Per-token rates

$0.10 / 1M input tokens·$0.00 / 1M output tokens

Output tokens are free, so the headline figure above is the input rate, as OpenAI publishes it.

Calling GPT-6 Luna (Decisions)

POST /v1/decisions
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["INFRO_API_KEY"],
    base_url="https://api.infro.io/v1",
)

decision = client.decisions.create(
    model="openai/gpt-6-luna-decisions",
    input="I was charged twice. Please fix this.",
    questions=[{
        "type": "predicate",
        "name": "refund_request",
        "instructions": "Is the customer asking for a refund?",
    }],
)

What a decision model answers

  • Typed questions about the evidence you send: yes or no, one option of a closed set, a level on a rubric.
  • Probabilities on every answer, and a confidence for choice and score. No generated text.
  • Every INFRO decision feature runs on it: decision policies, rerank, classifier guardrails, the route classifier and evals.

OpenAI's or TypeSafe's request body, on your own OpenAI connection or an OpenRouter one: your INFRO gateway key, spend limits checked before the call, and an estimated cost on every response.

Decision modelsGet a key