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OpenAI publishes low input rate for generally available Decisions API

OpenAI lists uncached GPT-6 Luna input to its Decisions endpoint at $0.10 per million tokens and no output-token charge. Cache, regional processing and long-context rules can change an actual bill; the rate applies to this endpoint, not every GPT-6 Luna request.

OpenAI

Decisions API pricing

Pricing & Access

Published (date only)

Updated

1 source

Primary source · OpenAI · October 22, 2026

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