--- title: "gemini-3.1-pro-preview-customtools - Model Details & Comparison" description: "gemini-3.1-pro-preview-customtools from Aihubmix: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://www.getmaxim.ai/bifrost/model-library/compare/aihubmix/gemini-3.1-pro-preview-customtools" markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/aihubmix/gemini-3.1-pro-preview-customtools.md" --- # gemini-3.1-pro-preview-customtools - Model Details & Comparison > gemini-3.1-pro-preview-customtools from Aihubmix: capabilities, context limits, pricing, and side-by-side comparisons with alternative models. ## Important Links - [View MCP Gateway](https://www.getmaxim.ai/bifrost/resources/mcp-gateway.md) - [Features](https://www.getmaxim.ai/bifrost/#features) - [Enterprise](https://www.getmaxim.ai/enterprise) - [Pricing](https://www.getmaxim.ai/pricing) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://www.getmaxim.ai/book-a-demo) ## About gemini-3.1-pro-preview-customtools gemini-3.1-pro-preview-customtools is a chat model from Aihubmix, one of 72 chat models they offer. It is priced at $2.00 per 1M input tokens and $12.00 per 1M output tokens, ranking 2894 out of 3648 chat models by cost and cheaper than 20% of models in this category. gemini-3.1-pro-preview-customtools supports vision, function calling, reasoning, web search, prompt caching, structured output. Its 1,049K-token context window is in the top 11% among chat models. ## Specifications - **Aihubmix Provider.** - **Chat Mode.** - **1,048,576 Max Input Tokens.** - **65,536 Max Output Tokens.** - **65,536 Max Tokens.** - **$2.00 / 1M tokens Input Price.** - **$12.00 / 1M tokens Output Price.** ## Capabilities gemini-3.1-pro-preview-customtools supports: Function Calling, Vision, Reasoning, Web Search, Prompt Caching, Response Schema. ## gemini-3.1-pro-preview-customtools Pricing Overview At $2.00 per 1M input tokens and $12.00 per 1M output tokens, gemini-3.1-pro-preview-customtools ranks 2894 out of 3648 chat models by input cost. It is more expensive compared to the median of $0.57 for chat models, and is cheaper than 20% of models in this category. gemini-3.1-pro-preview-customtools is one of 72 Aihubmix chat models, with support for vision, function calling, reasoning, web search, prompt caching, structured output. its 1,049K-token context window places it in the top 11% of chat models. ## Models to Compare Alternatives to gemini-3.1-pro-preview-customtools with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | gpt-5.6-terra | Azure | $2.00 | $12.00 | | gpt-5.6-terra-2026-07-09 | Azure | $2.00 | $12.00 | | grok-4.6 | Azure | $2.00 | $6.00 | | grok-4-20-reasoning | Azure | $2.00 | $6.00 | | claude-sonnet-5 | Anthropic | $2.00 | $10.00 | - [Compare gpt-5.6-terra](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.6-terra.md) - [Compare gpt-5.6-terra-2026-07-09](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.6-terra-2026-07-09.md) - [Compare grok-4.6](https://www.getmaxim.ai/bifrost/model-library/compare/azure/grok-4.6.md) - [Compare grok-4-20-reasoning](https://www.getmaxim.ai/bifrost/model-library/compare/azure/grok-4-20-reasoning.md) - [Compare claude-sonnet-5](https://www.getmaxim.ai/bifrost/model-library/compare/anthropic/claude-sonnet-5.md) ## Related Resources - [Calculate gemini-3.1-pro-preview-customtools costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/aihubmix/model/gemini-3.1-pro-preview-customtools.md) - [All Aihubmix pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/aihubmix.md) ## FAQ ### Is gemini-3.1-pro-preview-customtools cheaper than gpt-5.6-terra? No. gemini-3.1-pro-preview-customtools costs $2.00 per 1M input tokens while gpt-5.6-terra costs $2.00 per 1M input tokens, making gpt-5.6-terra 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 253% above the median of $0.57 for chat models. It ranks 2894 out of 3648 chat models by input cost, making it cheaper than 20% of models in this category. For output, it costs $12.00 per 1M tokens compared to the median of $1.65. ### What makes gemini-3.1-pro-preview-customtools different from other Aihubmix models? Among Aihubmix's 72 chat models, gemini-3.1-pro-preview-customtools ranks 54 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: gpt-5.6-terra from Azure ($2.00/1M input tokens); gpt-5.6-terra-2026-07-09 from Azure ($2.00/1M input tokens); grok-4.6 from Azure ($2.00/1M input tokens); grok-4-20-reasoning from Azure ($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 11% of chat models by context window size (rank 299 of 3577). 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. ## Related Resources - [Aihubmix models](https://www.getmaxim.ai/bifrost/model-library/provider/aihubmix.md) - [Model library](https://www.getmaxim.ai/bifrost/model-library.md) - [LLM cost calculator](https://www.getmaxim.ai/bifrost/llm-cost-calculator.md) - [Docs: Bifrost docs](https://docs.getbifrost.ai) - [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost) - [Pricing: Bifrost pricing](https://www.getmaxim.ai/pricing) - [Enterprise: Bifrost enterprise](https://www.getmaxim.ai/enterprise) - [Book a Demo: Bifrost demo](https://www.getmaxim.ai/book-a-demo) - [Resources: Bifrost resources](https://www.getmaxim.ai/bifrost/resources.md) --- *This is a markdown version of [https://www.getmaxim.ai/bifrost/model-library/compare/aihubmix/gemini-3.1-pro-preview-customtools](https://www.getmaxim.ai/bifrost/model-library/compare/aihubmix/gemini-3.1-pro-preview-customtools) for AI/LLM consumption.*