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Gemini 3.5 Flash API pricing on OpenRouter
Every OpenRouter Gemini 3.5 Flash rate we track, compared against 5 providers serving the same model.
Input from /1M
$0.750
Output /1M
$4.50
Price rank
#2 of 5
Last updated
September 18, 2026
The cheapest Gemini 3.5 Flash input price we currently track is $0.600/1M on Velokey.
OpenRouter Gemini 3.5 Flash rates
Prices per 1M tokens. Batch and cached-input rates are shown where the provider publishes them.
| Mode | Input | Output |
|---|---|---|
| Batch | $0.750/1M | $4.50/1M |
| Standard | $1.50/1M | $9.00/1M |
About Gemini 3.5 Flash
- Creator
- Modalities
- text
Gemini 3.5 Flash on other providers
About OpenRouter
OpenRouter provides a unified API for accessing hundreds of AI models from multiple providers. It aggregates models from OpenAI, Anthropic, Google, Meta, Mistral, and many others, offering a single endpoint with automatic fallback routing and provider optimization.
Frequently Asked Questions
How much does Gemini 3.5 Flash cost on OpenRouter?
OpenRouter serves Gemini 3.5 Flash from $0.750 per 1M input tokens, across 2 tracked pricing modes. Prices are collected daily — see the table above for current input, output, and cached-input rates.
Is OpenRouter the cheapest way to run Gemini 3.5 Flash?
OpenRouter ranks #2 of 5 providers we track serving Gemini 3.5 Flash. The cheapest input price right now is on Velokey. Price is only one factor — throughput, latency, and context limits differ between providers.
Does OpenRouter offer batch or cached pricing for Gemini 3.5 Flash?
We track 2 Gemini 3.5 Flash offerings from OpenRouter. Batch and cached-input rates appear in the table above when the provider publishes them; blank cells mean we have no current figure for that mode.