Calculate the cost of using gemini-3.1-pro-preview from Vertex AI for your AI applications
Pricing data last updated:
Mode: Chat
Max: 1,048,576 tokens
Max: 65,536 tokens
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gemini-3.1-pro-preview is a chat model from Vertex AI, one of 112 chat models they offer. It is priced at $2.00 per 1M input tokens and $12.00 per 1M output tokens, ranking 2666 out of 3501 chat models by cost and cheaper than 21% of models in this category. gemini-3.1-pro-preview supports vision, function calling, reasoning, audio input, web search, prompt caching, structured output. Its 1,049K-token context window is in the top 13% among chat models.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
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.
At $2.00 per 1M input tokens and $12.00 per 1M output tokens, gemini-3.1-pro-preview ranks 2666 out of 3501 chat models by input cost. It is more expensive compared to the median of $0.60 for chat models, and is cheaper than 21% of models in this category.
gemini-3.1-pro-preview is one of 112 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 13% of chat models.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs gemini-3.1-pro-preview |
|---|---|---|---|---|
| gemini-3.1-pro-preview | Google Gemini | $2.00 | $12.00 | 0% |
| gemini-3.1-pro-preview-customtools | Google Gemini | $2.00 | $12.00 | 0% |
| gemini-3-pro-preview | OpenRouter | $2.00 | $12.00 | 0% |
Similar chat models from other providers
No. gemini-3.1-pro-preview costs $2.00 per 1M input tokens while gemini-3.1-pro-preview costs $2.00 per 1M input tokens, making gemini-3.1-pro-preview 0% more affordable for input. However, gemini-3.1-pro-preview may offer different capabilities or performance characteristics that justify the price difference.
gemini-3.1-pro-preview input pricing is $2.00 per 1M tokens, which is 233% above the median of $0.60 for chat models. It ranks 2666 out of 3501 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 $1.71.
Among Vertex AI's 112 chat models, gemini-3.1-pro-preview ranks 71 by input cost.
The most comparable chat models to gemini-3.1-pro-preview are: 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); gemini-3.1-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.
gemini-3.1-pro-preview supports up to 1,048,576 input tokens, placing it in the top 13% of chat models by context window size (rank 150 of 3230). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.
gemini-3.1-pro-preview 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.