Calculate the cost of using gemini-3.1-pro-preview from OpenRouter 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 OpenRouter, one of 351 chat models they offer. It is priced at $2.00 per 1M input tokens and $12.00 per 1M output tokens, ranking 1771 out of 2292 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, prompt caching, structured output — one of only 11 chat models with this combination. Its 1,049K-token context window is in the top 6% 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 1771 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 is one of 351 OpenRouter chat models, one of only 11 chat models combining audio input, function calling, prompt caching, reasoning, structured output, vision. its 1,049K-token context window places it in the top 6% of chat models.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs gemini-3.1-pro-preview |
|---|---|---|---|---|
| gemini-3-pro-preview | Vertex AI | $2.00 | $12.00 | 0% |
| gemini-3.1-pro-preview | Vertex AI | $2.00 | $12.00 | 0% |
| gemini-3.1-pro-preview-customtools | Vertex AI | $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-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 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 264% above the median of $0.55 for chat models. It ranks 1771 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.
Among OpenRouter's 351 chat models, gemini-3.1-pro-preview ranks 274 by input cost. Its combination of audio input, function calling, prompt caching, reasoning, structured output, vision is shared by only 10 other chat models.
The most comparable chat models to gemini-3.1-pro-preview are: gemini-3-pro-preview from Vertex AI ($2.00/1M input tokens); gemini-3.1-pro-preview from Vertex AI ($2.00/1M input tokens); gemini-3.1-pro-preview-customtools from Vertex AI ($2.00/1M input tokens); gemini-3-pro-preview from Google Gemini ($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 6% of chat models by context window size (rank 101 of 2159). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.
You can monitor OpenRouter service health in real time on the Bifrost OpenRouter Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds.
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.
