Gemini 3 Pro Preview API Cost Calculator
Estimate your monthly API costs for Gemini 3 Pro Preview from Google.
Pricing per 1M tokens
Pricing last verified: Mar 21, 2026
30-Day Price History
Solid line: input price · Dashed line: output price
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Cost Breakdown
Compare with Similar Models
| Model | Input/1M | Output/1M |
|---|---|---|
| Nano Banana Pro (Gemini 3 Pro Image Preview) Google | $2.00 | $12.00 |
| Gemini 3.1 Pro Preview Google | $2.00 | $12.00 |
| Gemini 3.1 Pro Preview Custom Tools Google | $2.00 | $12.00 |
| Gemini 2.5 Pro Preview 06-05 Google | $1.25 | $10.00 |
| Gemini 2.5 Pro Preview 05-06 Google | $1.25 | $10.00 |
Frequently Asked Questions
How much does Gemini 3 Pro Preview cost per token?
Gemini 3 Pro Preview is priced at $2.00 per 1M input tokens and $12.00 per 1M output tokens. Use the calculator above to estimate your monthly costs based on your usage volume.
What is the context window for Gemini 3 Pro Preview?
Gemini 3 Pro Preview has a context window of 1.0M tokens (1,048,576 tokens). The maximum output length is 65.5K tokens.
Does Gemini 3 Pro Preview support image inputs (vision)?
Yes, Gemini 3 Pro Preview supports vision/image inputs. You can send images as part of your prompts.
Does Gemini 3 Pro Preview support function calling (tool use)?
Yes, Gemini 3 Pro Preview supports function calling (also called tool use). You can define custom functions that the model can invoke as part of its responses.
How does Gemini 3 Pro Preview compare to similar models?
Gemini 3 Pro Preview costs $2.00 input and $12.00 output per 1M tokens. Gemini 2.5 Pro Preview 05-06 is less expensive at $1.25 input and $10.00 output per 1M tokens. See the "Compare with Similar Models" table above, or visit the Gemini 2.5 Pro Preview 05-06 page at /tools/cost-calculator/google/gemini-2-5-pro-preview-05-06.