Gemini API Cost Calculator
Google Gemini features low pricing with generous context options. Standard pricing for Gemini 3.5 Flash is $0.50 per 1M input tokens and $3.00 per 1M output tokens. Gemini 3.1 Pro costs $2.00 per 1M input and $12.00 per 1M output, while Gemini 3.1 Flash-Lite costs $0.25 per 1M input and $1.50 per 1M output.
API Cost Estimation Calculator
Comparative API Execution Cost Table
Comparison of API prompt costs for 100,000 input tokens and 20,000 output tokens across models.
| Model | Input Cost / 1M | Output Cost / 1M | Single Run Cost |
|---|---|---|---|
| Gemini 3.5 Flash | $0.50 | $3.00 | $0.11 |
| Gemini 3.1 Pro | $2.00 | $12.00 | $0.44 |
| Gemini 3 Flash | $0.50 | $3.00 | $0.11 |
| Gemini 3.1 Flash-Lite | $0.25 | $1.50 | $0.06 |
| Gemini 2.5 Pro | $1.25 | $10.00 | $0.33 |
| Gemini 2.5 Flash | $0.30 | $2.50 | $0.08 |
| Gemini 2.5 Flash-Lite | $0.10 | $0.40 | $0.02 |