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Gemini 3.1 Pro (Preview)

Preview of Gemini 3.1 Pro with enhanced capabilities and reasoning.

gemini-3.1-pro-preview
STABLEGet StartedView uptime
1,048,576 context
Released February 19, 2026
Starting at $2.00/M input tokens (tiered)
Starting at $12.00/M output tokens (tiered)
Streaming
Vision
Tools
Reasoning
Reasoning Budget
JSON Output
Structured JSON
Web Search
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Select Provider

All Providers for Gemini 3.1 Pro (Preview)

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

Google AI Studio
Context: 1.0M
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
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
Quartz
Context: 1.0M
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 3.1 Pro (Preview)?

Preview of Gemini 3.1 Pro with enhanced capabilities and reasoning. You can access it through DigitSpace's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Gemini 3.1 Pro (Preview) cost?

Pricing for Gemini 3.1 Pro (Preview) on DigitSpace 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 3.1 Pro (Preview)?

Gemini 3.1 Pro (Preview) supports a context window of up to 1,048,576 tokens on its largest provider deployment.

Which providers serve Gemini 3.1 Pro (Preview)?

Gemini 3.1 Pro (Preview) is served by Google AI Studio, Google Vertex AI, Quartz through DigitSpace. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Gemini 3.1 Pro (Preview) support tool calling and structured outputs?

Yes. Gemini 3.1 Pro (Preview) supports both tool (function) calling and strict JSON output schema (upstream-enforced) through DigitSpace.

When was Gemini 3.1 Pro (Preview) released?

Gemini 3.1 Pro (Preview) was released on February 19, 2026.