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Models

gemini-3-flash-preview

vertex_ai

Context Length

1049K

Max Output

66K

Input Cost

$0.50/M

Output Cost

$3.00/M

Mode

Chat

Max Input Tokens

1049K

Max Tokens

66K

Supported Endpoints

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

Provider

Google Vertex AI

Tool Choice

Yes

Response Schema

Yes

Parallel Function Calling

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-flash-preview?

Overview

gemini-3-flash-preview is a chat model provided by Google Vertex AI.
This model offers an exceptional context window of 1049K tokens, making it ideal for processing extensive documents, long conversations, or large codebases.

Pricing

Input processing costs $0.50 per million tokens.
Output generation costs $3.00 per million tokens.

Output Capabilities

The model can generate up to 66K tokens in a single response.

Availability

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

What capabilities does gemini-3-flash-preview support?

Supports function calling, enabling integration with external tools and APIs for extended functionality.
Includes vision capabilities to process and analyze images alongside text inputs.
Features advanced reasoning capabilities for complex problem-solving and multi-step logical tasks.
Provides web search integration for accessing real-time information and current data.
Allows explicit tool selection, giving developers fine-grained control over function execution.
Supports structured response schemas for consistent, predictable output formatting.
Enables parallel function calling to execute multiple operations simultaneously for improved efficiency.
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-flash-preview Pricing Overview

At $0.50 per 1M input tokens and $3.00 per 1M output tokens, gemini-3-flash-preview ranks 1045 out of 2182 chat models by input cost. It is more affordable compared to the median of $0.55 for chat models, and is cheaper than 50% of models in this category.