Gemini 3.5 Flash token cost
Gemini 3.5 Flash list rates for fast grounded chat when you want the 3.5 family without the Lite cut.
Published list rates
Input
$1.50
per 1M tokens
Output
$9.00
per 1M tokens
Cached input
$0.15
per 1M tokens
Context window
1,000,000
tokens
Pricing source: Google Gemini API pricing
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Project monthly volume
Daily requests × tokens per request × 30 days.
Estimated cost
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Cost as volume grows
Read down to see Gemini 3.5 Flash get more expensive as tokens grow. The last column is a typical mix: 70% input, 30% output.
| Tokens | Input only | Output only | Mix (70% in / 30% out) |
|---|---|---|---|
| 1 | $0.000002 | $0.000009 | $0.000004 |
| 10 | $0.000015 | $0.00009 | $0.000038 |
| 100 | $0.00015 | $0.0009 | $0.000375 |
| 200 | $0.0003 | $0.0018 | $0.00075 |
| 300 | $0.00045 | $0.0027 | $0.001125 |
| 400 | $0.0006 | $0.0036 | $0.0015 |
| 500 | $0.00075 | $0.0045 | $0.001875 |
| 1,000 | $0.0015 | $0.009 | $0.00375 |
| 2,000 | $0.003 | $0.018 | $0.0075 |
| 5,000 | $0.0075 | $0.045 | $0.01875 |
| 10,000 | $0.015 | $0.09 | $0.0375 |
| 25,000 | $0.0375 | $0.225 | $0.09375 |
| 50,000 | $0.075 | $0.45 | $0.1875 |
| 100,000 | $0.15 | $0.9 | $0.375 |
| 250,000 | $0.375 | $2.25 | $0.9375 |
| 500,000 | $0.75 | $4.50 | $1.875 |
| 1,000,000 | $1.50 | $9.00 | $3.75 |
| 5,000,000 | $7.50 | $45.00 | $18.75 |
| 10,000,000 | $15.00 | $90.00 | $37.50 |
| 50,000,000 | $75.00 | $450.00 | $187.50 |
| 100,000,000 | $150.00 | $900.00 | $375.00 |
| 500,000,000 | $750.00 | $4,500.00 | $1,875.00 |
| 1,000,000,000 | $1,500.00 | $9,000.00 | $3,750.00 |
| 10,000,000,000 | $15,000.00 | $90,000.00 | $37,500.00 |
| 100,000,000,000 | $150,000.00 | $900,000.00 | $375,000.00 |
Tokens for a fixed budget
How far a fixed spend goes on Gemini 3.5 Flash at these list rates.
| Budget | Input tokens | Output tokens | Mixed tokens (70/30) |
|---|---|---|---|
| $0.01 | 6,667 | 1,111 | 2,667 |
| $0.1 | 66,667 | 11,111 | 26,667 |
| $0.5 | 333,333 | 55,556 | 133,333 |
| $1.00 | 666,667 | 111,111 | 266,667 |
| $5.00 | 3.33M | 555,556 | 1.33M |
| $10.00 | 6.67M | 1.11M | 2.67M |
| $20.00 | 13.3M | 2.22M | 5.33M |
| $25.00 | 16.7M | 2.78M | 6.67M |
| $30.00 | 20M | 3.33M | 8M |
| $50.00 | 33.3M | 5.56M | 13.3M |
| $100.00 | 66.7M | 11.1M | 26.7M |
| $250.00 | 166.7M | 27.8M | 66.7M |
| $500.00 | 333.3M | 55.6M | 133.3M |
| $1,000.00 | 666.7M | 111.1M | 266.7M |
| $5,000.00 | 3.33B | 555.6M | 1.33B |
| $10,000.00 | 6.67B | 1.11B | 2.67B |
At these rates
- A workload with 70% input and 30% output costs $3.75 per 1 million total tokens and $375.00 per 100 million.
- At the same token count, output costs 6 times the input rate. Response length therefore deserves its own budget limit.
- Filling the 1,000,000-token context window with input alone would cost about $1.50, before any output.
- Cached input is $0.15 per million, 90% below standard input when the workload meets the provider’s cache rules.
These figures use public list prices. Cache eligibility, batch or priority modes, long-context surcharges, discounts, and regional billing can change the invoice.