Gemini 3.1 Pro (preview) pricing
Google · list prices as of 2026-09-29
| Input | $2 per 1M tokens |
|---|---|
| Output | $12 per 1M tokens |
| Cached input (read) | $0.20 per 1M tokens |
| Batch / async | 50% off |
| Context window | 1.049M tokens |
| Longest answer | 66K tokens |
What a call costs
| Typical call | Input tokens | Output tokens | Per call | Per month at 1,000 a day |
|---|---|---|---|---|
| Chat reply | 1,000 | 300 | $0.0056 | $168.00 |
| Document summary | 6,000 | 400 | $0.0168 | $504.00 |
| Code change | 3,000 | 1,200 | $0.0204 | $612.00 |
No caching or batch discount. Your own prompt will differ: count it exactly below.
Price your own prompt on Gemini 3.1 Pro (preview)Similarly priced models
- Command A (Cohere): about the same
- GPT-4o (OpenAI): about the same
- GPT-5.2 (OpenAI): 1.1× more
- Claude Sonnet 5 (Anthropic): 1.1× cheaper
- Claude Sonnet 5.5 (Anthropic): 1.1× cheaper
Questions
How much does Gemini 3.1 Pro (preview) cost?
Gemini 3.1 Pro (preview) costs $2 per million input tokens and $12 per million output tokens, as of 2026-09-29.
How much is one Gemini 3.1 Pro (preview) call?
A call with 1,000 input tokens and a 300-token answer costs about $0.0056, or $168.00 a month at 1,000 calls a day.
How big is the Gemini 3.1 Pro (preview) context window?
1,048,576 tokens.