Gemini API pricing
How Gemini API charges, what to know before you commit, and what you'd pay at your usage — next to what the alternatives would cost for the same thing.
How it charges
Checked 2026-10-03 on ai.google.dev ↗ · USD, list pricesIn short
Pay per token on the paid tier, from $0.25 / $1.50 per million input/output tokens on Gemini 3.1 Flash-Lite to $2 / $12 on 3.1 Pro Preview; a free tier covers some models.
- Free plan
- Yes
- Side project
- $2.75/mo Gemini 3.1 Flash-Lite
- Growing
- $28/mo Gemini 3.1 Flash-Lite
- Scaling
- $550/mo Gemini 3.1 Flash-Lite
What the model leaves out
Paid-tier Standard text prices. Gemini 3.8 Flash is $0.75 / $3.75 through December 31, 2026 and rises to $1.50 / $7.50 on January 1, 2027. Gemini 3.1 Pro Preview costs $4 / $18 for prompts over 200K tokens. Batch and Flex are 50% off. A free tier exists but may use prompts to improve Google's products.
Before you commit
- Gemini 3.8 Flash doubles to $1.50 / $7.50 per million tokens on January 1, 2027.
- Output prices include thinking tokens.
- Free-tier content is used to improve Google's products; paid-tier content is not.
- Gemini 3.1 Pro Preview prompts over 200K tokens cost $4 / $18 per million, and Google Search grounding is $14 per 1,000 requests after 5,000 free a month.
| Plan | Monthly fee | Input tokens per month | Output tokens per month |
|---|---|---|---|
| Gemini 3.1 Pro Preview | None | $2 per million tokens | $12 per million tokens |
| Gemini 3.8 Flash | None | $0.75 per million tokens | $3.75 per million tokens |
| Gemini 3.5 Flash-Lite | None | $0.3 per million tokens | $2.5 per million tokens |
| Gemini 3.1 Flash-Lite | None | $0.25 per million tokens | $1.5 per million tokens |
What you'd pay
Gemini 3.1 Flash-Lite50 million tokens × $0.25 per million tokens + 10 million tokens × $1.5 per million tokens$28/mo
Cost as you grow
All LLM API pricing, compared →Which one fits your situation →