# OpenAI prices its Decisions API at $0.10 per million input tokens with no output charge

The GPT-6 Luna-based endpoint returns probabilities, choices and scores up to 10 times faster than the Responses API, and is aimed at the routing and classification calls inside agent pipelines.

- Published: 2026-10-24T06:20:43.691Z
- Canonical: https://polylog.news/ai/2026-10-24/openai-prices-its-decisions-api-at-0-10-per-million-input-to
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [OpenAI News](https://openai.com/index/decisions-api), [Meta AI](https://ai.meta.com/blog/introducing-muse-spark-meta-model-api/), [Crypto Briefing](https://cryptobriefing.com/openai-decisions-api-gpt-6-luna/), [AI Weekly](https://aiweekly.co/alerts/openai-launches-decisions-api-public-beta-on-gpt-6-luna)

OpenAI is promoting its Decisions API as "fast, focused, low-cost decisions for any application." The endpoint was introduced in limited preview at DevDay 2026 and is now in public beta on GPT-6 Luna. It returns three kinds of structured ou…

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