o3 Mini High API Pricing

OpenAI · Mid-tier · Proprietary · released 2025-02. Prices in USD per 1 million tokens. Data snapshot: 2026-08-14.

Cost per request by business use case

List price vs optimized (prompt caching on the cached input share, batch API for async workloads — only where the provider publishes those rates).

Use caseTokens (in/out)Cost/req (list)Cost/req (optimized)Monthly @100K req
Support Ticket1,500 / 500$0.0039$0.0034$336
Knowledge Q&A2,000 / 800$0.0057$0.0050$495
Meeting Summary10,000 / 1,200$0.016$0.0081$814
Marketing Content2,500 / 1,800$0.011$0.010$1.0K
Coding Task3,000 / 2,000$0.012$0.011$1.1K
Invoice Processing1,500 / 600$0.0043$0.0021$215
Call Summary2,000 / 700$0.0053$0.0026$264
Agent Workflow6,000 / 3,000$0.020$0.017$1.7K

These are list prices — real cost also depends on caching, batching, negotiated discounts, marketplace agreements, and existing contracts. Get a FinOps review from OptimNow or compare all models.