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Gemini 3.5 Flash API price
google/gemini-3.5-flash
The cheapest Gemini 3.5 Flash API is $0.75/M input at Google (via OpenRouter) (global/flex) - all 5 providers compared below, per 1M tokens.
MidGoogle1.0M context5 sellers
Input
$0.75
per 1M tokens · Google (via OpenRouter) (global/flex)
up to $1.50
Output
$4.50
per 1M tokens · Google (via OpenRouter) (global/flex)
up to $9.00
Where to buy it
Cheapest Gemini 3.5 Flash API providers compared - 5 sellers, from $0.75/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Uptime | Your cost |
|---|---|---|---|---|---|
| Google (via OpenRouter) (global/flex) | 0.750cheapest | 4.50 | 0.075 | - | |
| Cheaper Inference (discount marketplace)34% off | 0.996 | 5.98 | 0.100 | - | |
| OrcaRouter (aggregator) | 1.50 | 9.00 | - | - | |
| Google AI Studio (via OpenRouter) | 1.50 | 9.00 | 0.150 | 100% | |
| Flex | 0.750 | 4.50 | 0.075 | 100% | |
| Priority | 2.70 | 16.20 | 0.270 | - | |
| TokenRouter (aggregator) | 1.50 | 9.00 | 0.150 | - |
2.0× between the cheapest and the dearest of 5 sellers.
Against its tier
- This model$5.25
- Cheapest · Nemotron 3.5 Content Safety$0.40
- Tier median · GLM 5.1$3.9962
- Dearest · GPT 5.5 Cyber$87.50
#24 of 35 mid · cheaper than 32%
Details
- Context window
- 1.0M1,048,576 tokens
- Developer
- Intelligence
- 33.6 est. Medium
- Sellers
- 52.0× spread
- Cached input
- $0.075where the source publishes one
- Cheapest at
- Google (via OpenRouter) (global/flex)
- Combined
- $5.25in + out per 1M
- Last checked
- 2026-10-12
- Availability
- 100.00%median of 4 OpenRouter endpoints, last 30 min