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Models

gemini-3.1-flash-image-preview

vertex_ai

Context Length

66K

Max Output

33K

Input Cost

$0.50/M

Output Cost

$3.00/M

Mode

Image Generation

Max Input Tokens

66K

Max Tokens

33K

Supported Endpoints

/v1/chat/completions, /v1/completions, /v1/batch

Provider

Google Vertex AI

Response Schema

Yes

Prompt Caching

Yes

System Messages

Yes

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Comparison Insights

Comprehensive analysis based on the latest model metadata from the comparison table above.

What should I know about gemini-3.1-flash-image-preview?

Overview

gemini-3.1-flash-image-preview is a image generation model provided by Google Vertex AI.
The model supports a 66K-token context window, suitable for moderate-sized documents and multi-turn conversations.

Pricing

Input processing costs $0.50 per million tokens.
Output generation costs $3.00 per million tokens.
Image input processing is priced at $0.0006 per image.
Image generation costs $0.0672 per image.

Output Capabilities

The model can generate up to 33K tokens in a single response.

Availability

Available through the following endpoints: /v1/chat/completions, /v1/completions, /v1/batch.

What capabilities does gemini-3.1-flash-image-preview support?

Includes vision capabilities to process and analyze images alongside text inputs.
Provides web search integration for accessing real-time information and current data.
Supports structured response schemas for consistent, predictable output formatting.
Implements prompt caching to reduce costs and latency for repeated or similar queries.
Supports system messages for customizing model behavior and setting operational parameters.

gemini-3.1-flash-image-preview Pricing Overview

At $0.50 per 1M input tokens and $3.00 per 1M output tokens, gemini-3.1-flash-image-preview ranks 13 out of 31 image generation models by input cost. It is more affordable compared to the median of $2.00 for image generation models, and is cheaper than 58% of models in this category.