Gemini 3.5 Flash API — pricing & specs
Gemini 3.5 Flash is Google DeepMind's latency-optimized, lightweight tier in the Gemini family, built for fast, high-throughput responses. As a multimodal model it accepts both text and image input, handling reasoning, coding, general tasks, and image understanding. On KeepRouter, Gemini 3.5 Flash costs $1.50 per 1M input tokens and $9 per 1M output tokens, billed at cost with no markup and no monthly fee. Call it through the OpenAI- or Anthropic-compatible API with the model id gemini-3.5-flash.
| Maker | Google DeepMind |
|---|---|
| Modality | Text, vision |
| Pricing | $1.50 per 1M input tokens and $9 per 1M output tokens |
Frequently asked questions
How much does Gemini 3.5 Flash cost on KeepRouter?
Gemini 3.5 Flash is $1.50 per 1M input tokens and $9 per 1M output tokens, billed at cost with no markup and no monthly fee.
Who makes Gemini 3.5 Flash?
Gemini 3.5 Flash is made by Google DeepMind. KeepRouter provides it through one OpenAI- and Anthropic-compatible API.
How do I call Gemini 3.5 Flash via API?
Point your OpenAI- or Anthropic-compatible client at KeepRouter and set the model to "gemini-3.5-flash". No provider-specific SDK needed.