GPT-4o API Pricing
OpenAI · Mid-tier · Proprietary · released 2024-05. Prices in USD per 1 million tokens. Data snapshot: 2026-08-14.
- Input: $2.50 per 1M tokens
- Output: $10.00 per 1M tokens
- Batch API (input/output): $1.25 / $5.00
- Prompt-cache read: $1.25
- Context window: 128K
- Arena ELO: 1285 (as of 2026-08-13)
- Available on: Direct API, Azure AI Foundry, OpenRouter (curated by hand — verify with the provider)
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 | $0.0088 | $0.0076 | $763 |
| Knowledge Q&A | 2,000 / 800 | $0.013 | $0.011 | $1.1K |
| Meeting Summary | 10,000 / 1,200 | $0.037 | $0.018 | $1.9K |
| Marketing Content | 2,500 / 1,800 | $0.024 | $0.024 | $2.4K |
| Coding Task | 3,000 / 2,000 | $0.028 | $0.026 | $2.6K |
| Invoice Processing | 1,500 / 600 | $0.0097 | $0.0049 | $487 |
| Call Summary | 2,000 / 700 | $0.012 | $0.0060 | $600 |
| Agent Workflow | 6,000 / 3,000 | $0.045 | $0.040 | $4.0K |
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.