Gemini 3 Flash (Preview)

Preview of next-generation Gemini 3 Flash built for speed, combining frontier intelligence with superior search and grounding.

gemini-3-flash-preview
STABLEGet StartedView uptime
1,048,576 context
Released December 17, 2025
Starting at $0.50/M input tokens
Starting at $3.00/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output
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All Providers for Gemini 3 Flash (Preview)

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

Google AI Studio
Context: 1.0M
Input
$0.5
/M tokens
Cache Read
$0.05
/M tokens
Output
$3
/M tokens
+ $0.014 per search
Get Started
Google Vertex AI
Context: 1.0M
Input
$0.5
/M tokens
Cache Read
$0.05
/M tokens
Output
$3
/M tokens
+ $0.014 per search
Get Started

Frequently asked questions

What is Gemini 3 Flash (Preview)?

Preview of next-generation Gemini 3 Flash built for speed, combining frontier intelligence with superior search and grounding. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Gemini 3 Flash (Preview) cost?

Pricing for Gemini 3 Flash (Preview) on LLM Gateway starts at $0.50 per million input tokens and $3.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of Gemini 3 Flash (Preview)?

Gemini 3 Flash (Preview) supports a context window of up to 1,048,576 tokens on its largest provider deployment.

Which providers serve Gemini 3 Flash (Preview)?

Gemini 3 Flash (Preview) is served by Google AI Studio, Google Vertex AI through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Gemini 3 Flash (Preview) support tool calling and structured outputs?

Yes. Gemini 3 Flash (Preview) supports both tool (function) calling and structured JSON outputs through LLM Gateway.

When was Gemini 3 Flash (Preview) released?

Gemini 3 Flash (Preview) was released on December 17, 2025.