GPT-5 Nano API Pricing
OpenAI · Budget · Proprietary · released 2025-08. Prices in USD per 1 million tokens. Data snapshot: 2026-08-14.
- Input: $0.05 per 1M tokens
- Output: $0.40 per 1M tokens
- Batch API (input/output): $0.03 / $0.20
- Prompt-cache read: $0.0050
- 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 | $0.000275 | $0.000235 | $23 |
| Knowledge Q&A | 2,000 / 800 | $0.000420 | $0.000357 | $36 |
| Meeting Summary | 10,000 / 1,200 | $0.000980 | $0.000515 | $52 |
| Marketing Content | 2,500 / 1,800 | $0.000845 | $0.000823 | $82 |
| Coding Task | 3,000 / 2,000 | $0.000950 | $0.000883 | $88 |
| Invoice Processing | 1,500 / 600 | $0.000315 | $0.000154 | $15 |
| Call Summary | 2,000 / 700 | $0.000380 | $0.000195 | $20 |
| Agent Workflow | 6,000 / 3,000 | $0.0015 | $0.0013 | $131 |
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.