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gemini-3.1-pro-preview-customtools Cost Calculator - Vertex AI

Calculate the cost of using gemini-3.1-pro-preview-customtools from Vertex AI for your AI applications

Pricing data last updated:

gemini-3.1-pro-preview-customtools Cost Calculator

Mode: Chat

Max: 1,048,576 tokens

Max: 65,536 tokens

Cost Breakdown

Input Cost$0.002000
Output Cost$0.012000
Total Cost$0.014000

Pricing Details

Input: $0.00000200 per token
Output: $0.00001200 per token
Output Image: $0.00012000 per image
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Model Specifications

Capabilities

Function Calling
Vision
Reasoning
Web Search
Audio Input

Limits

Max Input Tokens1,048,576
Max Output Tokens65,536
Max Tokens65,536

About gemini-3.1-pro-preview-customtools

gemini-3.1-pro-preview-customtools is a chat model from Vertex AI, one of 104 chat models they offer. It is priced at $2.00 per 1M input tokens and $12.00 per 1M output tokens, ranking 1741 out of 2292 chat models by cost and cheaper than 21% of models in this category. gemini-3.1-pro-preview-customtools supports vision, function calling, reasoning, audio input, web search, prompt caching, structured output. Its 1,049K-token context window is in the top 6% among chat models.

Pricing Information

Input Cost$2.00 per 1M tokens
Output Cost$12.00 per 1M tokens
Image Output Cost$0.0001 per image

Note: Use the interactive calculator above to estimate costs for your specific usage patterns.

Technical Specifications

Maximum Input Tokens1,048,576
Maximum Output Tokens65,536
Maximum Total Tokens65,536

Pro Tip

Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 1,048,576 input tokens. The maximum output length is 65,536 tokens.

Model Capabilities

Function Calling - Execute custom functions and tools
Vision - Process and understand images
Audio Input - Accept audio data as input
Advanced Reasoning - Complex problem-solving capabilities
Web Search - Access real-time web information
Prompt Caching - Optimize repeated prompts
System Messages - Configure model behavior
Response Schema - Structured output formatting

How gemini-3.1-pro-preview-customtools Pricing Compares

At $2.00 per 1M input tokens and $12.00 per 1M output tokens, gemini-3.1-pro-preview-customtools ranks 1741 out of 2292 chat models by input cost. It is more expensive compared to the median of $0.55 for chat models, and is cheaper than 21% of models in this category.

gemini-3.1-pro-preview-customtools is one of 104 Vertex AI chat models, with support for vision, function calling, reasoning, audio input, web search, prompt caching, structured output. its 1,049K-token context window places it in the top 6% of chat models.

ModelProviderInput / 1M tokensOutput / 1M tokensvs gemini-3.1-pro-preview-customtools
gemini-3-pro-previewGoogle Gemini$2.00$12.000%
gemini-3.1-pro-previewGoogle Gemini$2.00$12.000%
gemini-3.1-pro-preview-customtoolsGoogle Gemini$2.00$12.000%

Alternatives to gemini-3.1-pro-preview-customtools

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Google Gemini
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Google Gemini
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OpenRouter
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OpenAI
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Frequently Asked Questions

Is gemini-3.1-pro-preview-customtools cheaper than gemini-3-pro-preview?

No. gemini-3.1-pro-preview-customtools costs $2.00 per 1M input tokens while gemini-3-pro-preview costs $2.00 per 1M input tokens, making gemini-3-pro-preview 0% more affordable for input. However, gemini-3.1-pro-preview-customtools may offer different capabilities or performance characteristics that justify the price difference.

How does gemini-3.1-pro-preview-customtools pricing compare to the average chat model?

gemini-3.1-pro-preview-customtools input pricing is $2.00 per 1M tokens, which is 264% above the median of $0.55 for chat models. It ranks 1741 out of 2292 chat models by input cost, making it cheaper than 21% of models in this category. For output, it costs $12.00 per 1M tokens compared to the median of $1.50.

What makes gemini-3.1-pro-preview-customtools different from other Vertex AI models?

Among Vertex AI's 104 chat models, gemini-3.1-pro-preview-customtools ranks 66 by input cost.

What are the best alternatives to gemini-3.1-pro-preview-customtools?

The most comparable chat models to gemini-3.1-pro-preview-customtools are: gemini-3-pro-preview from Google Gemini ($2.00/1M input tokens); gemini-3.1-pro-preview from Google Gemini ($2.00/1M input tokens); gemini-3.1-pro-preview-customtools from Google Gemini ($2.00/1M input tokens); gemini-3-pro-preview from OpenRouter ($2.00/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.

How large is gemini-3.1-pro-preview-customtools's context window?

gemini-3.1-pro-preview-customtools supports up to 1,048,576 input tokens, placing it in the top 6% of chat models by context window size (rank 64 of 2159). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.

How do I calculate gemini-3.1-pro-preview-customtools costs?

gemini-3.1-pro-preview-customtools is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $2.00 and generating 1M output tokens costs $12.00.