Model Details
2025-12Price Data Last Verified: March 21, 2026
GPT-5.1 API Pricing & Cost Calculator
Flagship with advanced reasoning and multimodal capabilities
Pricing Details
- Provider
- OpenAI
- Input Price
- $1.25 / 1M tokens
- Output Price
- $10.00 / 1M tokens
- Context Window
- 1M
Cost Scenarios
Small Request$0.0113
Medium Request$0.1125
Large Request$0.625
High Volume$6.25
Detailed Cost Breakdown
| Scenario | Input Tokens | Output Tokens | Input Cost | Output Cost | Total Cost |
|---|---|---|---|---|---|
| Small Request | 1,000 | 1,000 | $0.0013 | $0.01 | $0.0113 |
| Medium Request | 10,000 | 10,000 | $0.0125 | $0.10 | $0.1125 |
| Large Request | 100,000 | 50,000 | $0.125 | $0.50 | $0.625 |
| High Volume | 1,000,000 | 500,000 | $1.25 | $5.00 | $6.25 |