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OpenAI Decisions API

Every THE D[AI]LY BRIEF article on OpenAI Decisions API — enterprise AI analysis, benchmarks, vendor comparisons, and ROI frameworks for technology and business leaders. Updated as new coverage publishes.

OpenAI's Decisions API Skips Output Fees and the Cache Discount

OpenAI's Decisions API bills only input tokens at $0.10 per 1M, which saves a little on short tickets. It also drops Luna's cached-input discount, so long shared rubrics can cost about four times more than the Responses API.

October 8, 2026 · 9 min read