Skip to content

GPT-6 Luna Decisions (OpenAI Decisions API)

OpenAIDecision model

GPT-6 Luna Decisions (OpenAI Decisions API) by OpenAI is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text. Hosted, it costs about $0.020 per 1,000 decisions.

Pricing

Input (per 1M tokens)
$0.10
Output (per 1M tokens)
$0.00
Per 1,000 decisions
$0.020
ProviderInput / 1MOutput / 1M
openai$0.10$0.00
openrouter$0.10$0.00
vercel$0.10—

Cost per 1,000 decisions assumes 200 input tokens per decision.

Specifications

Provider
OpenAI
Parameters
—
Released
Sep 2026
Open weights
No
Question types
Choice (one of N options), Score (ordered rubric), Yes / no
Mechanism
Hosted API
Backbone
—
Jev-compatible request
No
Runs on CPU
—
License
proprietary

Benchmarks

Compare GPT-6 Luna Decisions (OpenAI Decisions API) with…

FAQ

How much does GPT-6 Luna Decisions (OpenAI Decisions API) cost?

Hosted, GPT-6 Luna Decisions (OpenAI Decisions API) costs $0.10 per 1M input tokens, about $0.020 per 1,000 decisions at 200 input tokens each.

What questions can GPT-6 Luna Decisions (OpenAI Decisions API) answer?

GPT-6 Luna Decisions (OpenAI Decisions API) answers choice (one of n options), score (ordered rubric), yes / no questions, returning a probability for each allowed answer.

Is GPT-6 Luna Decisions (OpenAI Decisions API) well calibrated?

No calibration measurement for GPT-6 Luna Decisions (OpenAI Decisions API) is recorded yet.

Is GPT-6 Luna Decisions (OpenAI Decisions API) open weight, and can it run on a CPU?

No, GPT-6 Luna Decisions (OpenAI Decisions API) is closed and served as an API.

Data as of 2026-10-14. Source: Metatext decision-model catalogue, 2026-10-14 (systemonemodels.org, OpenRouter, Vercel AI Gateway, Benchmark Heaven JevBench). Pricing is per 1M tokens (USD); confirm with the provider before production use.