GPT-5.4 Mini API Pricing
OpenAI · Mid-tier · Proprietary · released 2026-03. Prices in USD per 1 million tokens. Data snapshot: 2026-08-14.
- Input: $0.75 per 1M tokens
- Output: $4.50 per 1M tokens
- Batch API (input/output): $0.38 / $2.25
- Prompt-cache read: $0.07
- Context window: 400K
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 case | Tokens (in/out) | Cost/req (list) | Cost/req (optimized) | Monthly @100K req |
|---|---|---|---|---|
| Support Ticket | 1,500 / 500 | $0.0034 | $0.0028 | $277 |
| Knowledge Q&A | 2,000 / 800 | $0.0051 | $0.0042 | $416 |
| Meeting Summary | 10,000 / 1,200 | $0.013 | $0.0062 | $620 |
| Marketing Content | 2,500 / 1,800 | $0.0100 | $0.0096 | $964 |
| Coding Task | 3,000 / 2,000 | $0.011 | $0.010 | $1.0K |
| Invoice Processing | 1,500 / 600 | $0.0038 | $0.0018 | $178 |
| Call Summary | 2,000 / 700 | $0.0046 | $0.0023 | $227 |
| Agent Workflow | 6,000 / 3,000 | $0.018 | $0.015 | $1.5K |
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.