Gemini 3.7 Flash pricing and routing profile
Gemini 3.7 Flash from Google lists at $0.75 per million input tokens and $3.75 per million output tokens, with a 1,048,576-token context window. Prices from OpenRouter's catalogue on 2026-09-28.
Tool callingStructured outputReasoning control
Cost per 1,000 requests
| Request shape | List cost |
|---|---|
| Classification or routing (600 tokens in, 10 out) | $0.487 |
| Chat reply (2,000 in, 400 out) | $3.00 |
| Retrieval-augmented answer (8,000 in, 500 out) | $7.88 |
Before prompt caching. Try your own shape in the cost calculator.
Can Gimbix route to it first?
Not as a first-answer model through OpenRouter: no host returns token log probabilities for Gemini 3.7 Flash. It can still be the model Gimbix falls back to when a cheaper model is unsure.
Cheaper models that can answer first
Models priced below Gemini 3.7 Flash that expose a confidence signal. Whether they answer your traffic as well is what a Gimbix pilot measures.
| Model | Input / output per 1M | Cheaper on a chat reply |
|---|---|---|
| Kimi K2.6 | $0.65 / $3.41 | 11% |
| Kimi K2.7 Code | $0.656 / $3.30 | 12% |
| Qwen3 Coder Plus | $0.65 / $3.25 | 13% |
| Qwen3.5 397B A17B | $0.55 / $3.50 | 17% |
| Kimi K2 Thinking | $0.60 / $2.50 | 27% |
| GPT Audio Mini | $0.60 / $2.40 | 28% |
Questions
How much does Gemini 3.7 Flash cost?
Gemini 3.7 Flash lists at $0.75 per million input tokens and $3.75 per million output tokens on OpenRouter as of 2026-09-28. A typical chat reply of 2,000 input and 400 output tokens costs about $3.00 per 1,000 requests.
What is the context window of Gemini 3.7 Flash?
1,048,576 tokens.
Can a cheaper model replace Gemini 3.7 Flash?
Sometimes. Gimbix proves it on your own traffic before routing: the cheaper model must match Gemini 3.7 Flash on one half of your requests and make at most three answers worse on the other.