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OpenAI opens Decisions API in public beta with gpt-6-luna for typed answers
$0.10 per 1M input tokens, no charge for output tokens. Returns probabilities, choices or scores; OpenAI says about 10x faster than the Responses API.
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Primary source
OpenAIdevelopers.openai.com/api/docs/guides/decisionsCoverage · 2 articles, oldest first
Tuesday, October 6, 2026
Wednesday, October 7, 2026