Google: Gemini 3.1 pro preview

google/gemini-3.1-pro-preview

Gemini 3.1 Pro is designed to tackle the most challenging agentic problems with strong coding and state-of-the-art reasoning capabilities as well as complex multimodal understanding. Compared to Gemini 2.5 Pro, it improves significantly on complex instruction following and delivers outcomes with better output efficiency. Gemini 3 family models are thinking models, capable of reasoning through their thoughts before responding, resulting in enhanced performance and improved accuracy.

Model specifications

Input
audio, file, image, text, video
Output
text
Context
1,048,576 tokens
Max output
65,536 tokens
Input price
$2 / 1M tokens
Output price
2 / 1M tokens
Released
2026-02-20

Capabilities

  • Streaming
  • Function calling
  • JSON mode
  • Playground

Provider pricing, discounts and data privacy

Compare effective provider prices, published discounts, regions, retention policies, training use, compliance, and privacy links by service tier.

Flex service tier

1 available provider · tier input average / 1M tokens · tier output average $6 / 1M tokens

Google Vertex

Tier: Flex · Region: US

Pricing
Input
/ 1M tokens
Output
$6 / 1M tokens
Cache read
$0.1 / 1M tokens

No provider discount is currently published.

Data privacy and compliance
Region
US
Zero data retention
No
Data retention
Zero retention
Used for training
No
Data collection
Moderated
No
GDPR compliant
Yes
HIPAA compliant
Yes
SOC 2 certified
Yes
BYOK supported
Yes

Standard service tier

2 available providers · tier input average $2 / 1M tokens · tier output average 2 / 1M tokens

Google AI Studio

Tier: Standard · Region: US

Pricing
Input
$2 / 1M tokens
Output
2 / 1M tokens
Cache read
$0.2 / 1M tokens

No provider discount is currently published.

Data privacy and compliance
Region
US
Zero data retention
No
Data retention
55-day retention
Used for training
No
Data collection
Moderated
No
GDPR compliant
Yes
HIPAA compliant
No
SOC 2 certified
No
BYOK supported
Yes

Google Vertex

Tier: Standard · Region: US

Pricing
Input
$2 / 1M tokens
Output
2 / 1M tokens
Cache read
$0.2 / 1M tokens

No provider discount is currently published.

Data privacy and compliance
Region
US
Zero data retention
Yes
Data retention
Zero retention
Used for training
No
Data collection
Moderated
No
GDPR compliant
Yes
HIPAA compliant
Yes
SOC 2 certified
Yes
BYOK supported
Yes

Priority service tier

1 available provider · tier input average $3.6 / 1M tokens · tier output average $21.6 / 1M tokens

Google Vertex

Tier: Priority · Region: US

Pricing
Input
$3.6 / 1M tokens
Output
$21.6 / 1M tokens
Cache read
$0.36 / 1M tokens

No provider discount is currently published.

Data privacy and compliance
Region
US
Zero data retention
No
Data retention
Zero retention
Used for training
No
Data collection
Moderated
No
GDPR compliant
Yes
HIPAA compliant
Yes
SOC 2 certified
Yes
BYOK supported
Yes

Frequently asked questions

What is Google: Gemini 3.1 pro preview?
Gemini 3.1 Pro is designed to tackle the most challenging agentic problems with strong coding and state-of-the-art reasoning capabilities as well as complex multimodal understanding. Compared to Gemini 2.5 Pro, it improves significantly on complex instruction following and delivers outcomes with better output efficiency. Gemini 3 family models are thinking models, capable of reasoning through their thoughts before responding, resulting in enhanced performance and improved accuracy.
How much does Google: Gemini 3.1 pro preview cost?
Input costs start at $2 / 1M tokens and output costs start at 2 / 1M tokens. Provider-level prices vary by service tier.
What is the context length of Google: Gemini 3.1 pro preview?
Google: Gemini 3.1 pro preview supports a 1,048,576 token context window and up to 65,536 output tokens.
What capabilities does Google: Gemini 3.1 pro preview support?
Google: Gemini 3.1 pro preview supports Streaming, Function calling, JSON mode, Playground.
Which providers offer Google: Gemini 3.1 pro preview?
Google: Gemini 3.1 pro preview is available from Google Vertex, Google AI Studio.
How do providers handle data privacy for Google: Gemini 3.1 pro preview?
2 of 2 providers report that customer data is not used for training, and 0 offer zero-data-retention routing. Retention, compliance, and privacy-policy links are listed per provider.

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