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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) - all 6 providers compared below, per 1M tokens.
MidGoogle1.0M context6 sellers
Input
$0.75
per 1M tokens · Google (via OpenRouter)
up to $1.50
Output
$4.50
per 1M tokens · Google (via OpenRouter)
up to $9.00
Where to buy it
Cheapest Gemini 3.5 Flash API providers compared - 6 sellers, from $0.75/M.
| Provider | Input $/M | Output $/M | Cached in | Uptime |
|---|---|---|---|---|
| Google (via OpenRouter) | 0.750cheapest | 4.50 | 0.075 | 100% |
| Google AI Studio (via OpenRouter) | 0.750 | 4.50 | 0.075 | 99.4% |
| GMI Cloud (featured list) | 1.50 | 9.00 | - | - |
| Official - Google (Gemini API) | 1.50 | 9.00 | 0.150 | - |
| Batch | 0.750 | 4.50 | 0.075 | - |
| Flex | 0.750 | 4.50 | 0.080 | - |
| Priority | 2.70 | 16.20 | 0.270 | - |
| OrcaRouter (aggregator) | 1.50 | 9.00 | - | - |
| TokenRouter (aggregator) | 1.50 | 9.00 | 0.150 | - |
2.0× between the cheapest and the dearest of 6 sellers.
Against its tier
- This model$5.25
- Cheapest · Nemotron 3 Super 120B A12B$0.485
- Tier median · Grok 4.3 Latest$3.75
- Dearest · GPT 5.5 Cyber$87.50
#21 of 32 mid · cheaper than 35%
Details
- Context window
- 1.0M1,048,576 tokens
- Developer
- Intelligence
- 52.0high
- Sellers
- 62.0× spread
- Cached input
- $0.075where the source publishes one
- Cheapest at
- Google (via OpenRouter)
- Combined
- $5.25in + out per 1M
- Last checked
- 2026-08-28
- Availability
- 99.67%median of 6 OpenRouter endpoints, last 30 min