Long context

gemini-3.7-flash API pricing

Google's Gemini series — very long context windows and strong multimodal input.

Model IDgoogle/gemini-3.7-flash

ChatStreamingTool callingVision

Get API Key Try it Quick Start

Call summary

Input

$0.75$0.23/ 1M tokens

Cache write $0.23

Output

$3.75$1.13/ 1M tokens

Cache read $0.23

Context Window

1.05M

API Endpoints

Available Configurations

gemini-3.7-flash API endpoints

One API key — call this model through any of the endpoints below.

POST/v1/chat/completionsOpenAI-compatible · Works for every model

Docs

Production reliability

Privacy-safe aggregates from real Router One model calls, so you can assess stability and response latency before integrating.

Not enough production samples yet

This window needs at least 100 eligible requests across 5 independent principals. Metrics appear automatically after that threshold is met.

More Gemini models on Router One

Same gateway, same API key. Each page lists that model's endpoints, posted price, and context window.

gemini-3.1-pro-preview$6.00 in / $18.00 out per 1M1.05M context gemini-3.5-flash$0.45 in / $2.70 out per 1M1.05M context gemini-3.6-flash$0.45 in / $2.70 out per 1M1.05M context gemini-3-flash-preview$1.20 in / $8.00 out per 1M1.05M context gemini-3-pro-image-preview$0.50 per image gemini-3-pro-preview-11-2025$0.882 in / $7.00 out per 1M1.05M context

Call gemini-3.7-flash from your code

The same API key works across every endpoint below.

Endpoint

/v1/chat/completions

Model ID

google/gemini-3.7-flash

Routing mode

auto

Request example

bash

curl -X POST \
  https://api.router.one/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "google/gemini-3.7-flash",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

Get API Key

Start using gemini-3.7-flash

Create an API key and call gemini-3.7-flash on Router One — pay as you go, with per-request cost and latency visibility.

Get API Key Plans & pay-as-you-go pricing Compare models side by side Quickstart guide