# Gemini 3 Flash Preview

> Gemini 3 Flash Preview — next-gen Flash speed and cost, multimodal input.

Canonical: https://routemux.com/google/gemini-3-flash-preview
Provider: Google

## Key facts

| Field | Value |
| --- | --- |
| Model ID | google/gemini-3-flash-preview |
| Official model ID | gemini-3-flash-preview |
| Context window | 1M |
| Max output | 66K |
| Input modalities | text, image, audio, video |
| Output modalities | text |
| Capabilities | Vision, Reasoning, Tool Calling, Json Mode, Coding |
| Availability | available |

## Pricing

- RouteMux input: $0.15 per 1M tokens
- RouteMux output: $0.9 per 1M tokens
- Official input: $0.5 per 1M tokens
- Official output: $3 per 1M tokens
- Cache read: $0.015 per 1M tokens
- Saving vs official: 70%
- Official price source: gemini_x0.5, verified 2026-07-23

Billing is prepaid wallet, charged per successful request only.

## API access

Base URL: https://api.routemux.com

Supported protocols:

- openai_chat

Aliases that also route here: models/gemini-3-flash-preview