Gemini 3 Pro (Preview)

Preview of next-generation Gemini 3 Pro with enhanced capabilities.

gemini-3-pro-preview
STABLEModel DeactivatedGet StartedView uptime
1,048,576 context
Released November 18, 2025
Starting at $2.00/M input tokens (tiered)
Starting at $12.00/M output tokens (tiered)
Streaming
Vision
Tools
Reasoning
JSON Output
No ratings yetSign in to rate

All Providers for Gemini 3 Pro (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
Deprecated since Feb 27, 2026Deactivated since Mar 26, 2026
Input
$2
/M tokens
Cache Read
$0.2
/M tokens
Output
$12
/M tokens
Tiered Pricing
IN
CACHED
OUT
≤200K tokens
$2
$0.2
$12
>200K tokens
$4
$0.4
$18
+ $0.014 per search
Get Started
Google Vertex AI
Context: 1.0M
Deprecated since Feb 27, 2026Deactivated since Mar 26, 2026
Input
$2
/M tokens
Cache Read
$0.2
/M tokens
Output
$12
/M tokens
Tiered Pricing
IN
CACHED
OUT
≤200K tokens
$2
$0.2
$12
>200K tokens
$4
$0.4
$18
+ $0.014 per search
Get Started

Frequently asked questions

What is Gemini 3 Pro (Preview)?

Preview of next-generation Gemini 3 Pro with enhanced capabilities. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Gemini 3 Pro (Preview) cost?

Pricing for Gemini 3 Pro (Preview) on LLM Gateway starts at $2.00 per million input tokens and $12.00 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 Pro (Preview)?

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

Which providers serve Gemini 3 Pro (Preview)?

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

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

When was Gemini 3 Pro (Preview) released?

Gemini 3 Pro (Preview) was released on November 18, 2025.