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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
STABLE
1,048,576 context
Starting at $2.00/M input tokens
Starting at $12.00/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output

Select Provider

All Providers for Gemini 3.1 Pro (Preview)

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

Google AI Studio

google-ai-studio/gemini-3.1-pro-preview
Context Size
1.0M
Stability
STABLE
Pricing
Input
$2.00
/M
Cached
$0.20
/M
Output
$12.00
/M
Tiered Pricing
≤200K tokens$2.00 in / $0.20 cached / $12.00 out
>200K tokens$4.00 in / $0.40 cached / $18.00 out
Capabilities
Streaming
Vision
Tools
Reasoning
JSON Output
Native Web Search
Try in Playground

Google Vertex AI

google-vertex/gemini-3.1-pro-preview
Context Size
1.0M
Stability
STABLE
Pricing
Input
$2.00
/M
Cached
$0.20
/M
Output
$12.00
/M
Tiered Pricing
≤200K tokens$2.00 in / $0.20 cached / $12.00 out
>200K tokens$4.00 in / $0.40 cached / $18.00 out
Capabilities
Streaming
Vision
Tools
Reasoning
JSON Output
Native Web Search
Try in Playground