--- title: "gemini-2.5-pro-preview-tts - Model Details & Comparison" description: "gemini-2.5-pro-preview-tts from Google Vertex AI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-pro-preview-tts" markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-pro-preview-tts.md" --- # gemini-2.5-pro-preview-tts - Model Details & Comparison > gemini-2.5-pro-preview-tts from Google Vertex AI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models. ## Important Links - [View MCP Gateway](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources/mcp-gateway.md) - [Features](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/#features) - [Enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) ## About gemini-2.5-pro-preview-tts gemini-2.5-pro-preview-tts is a chat model from Vertex AI, one of 112 chat models they offer. It is priced at $1.25 per 1M input tokens and $10.00 per 1M output tokens, ranking 1896 out of 2669 chat models by cost and cheaper than 27% of models in this category. gemini-2.5-pro-preview-tts supports vision, function calling, web search, prompt caching, structured output. Its 1,049K-token context window is in the top 7% among chat models. ## Specifications - **Google Vertex AI Provider.** - **Chat Mode.** - **1,048,576 Max Input Tokens.** - **65,535 Max Output Tokens.** - **65,535 Max Tokens.** - **$1.25 / 1M tokens Input Price.** - **$10.00 / 1M tokens Output Price.** ## Capabilities gemini-2.5-pro-preview-tts supports: Function Calling, Vision, Web Search, Prompt Caching, Parallel Function Calling, System Messages, Response Schema, Tool Choice. ## gemini-2.5-pro-preview-tts Pricing Overview At $1.25 per 1M input tokens and $10.00 per 1M output tokens, gemini-2.5-pro-preview-tts ranks 1896 out of 2669 chat models by input cost. It is more expensive compared to the median of $0.50 for chat models, and is cheaper than 27% of models in this category. gemini-2.5-pro-preview-tts is one of 112 Vertex AI chat models, with support for vision, function calling, web search, prompt caching, structured output. its 1,049K-token context window places it in the top 7% of chat models. ## Models to Compare Alternatives to gemini-2.5-pro-preview-tts with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | gpt-5.6-luna | Azure | $1.10 | $6.60 | | gemini-flash-latest | Google Gemini | $1.50 | $9.00 | | gemini-2.5-pro | Google Gemini | $1.25 | $10.00 | | gemini-3.5-flash | Google Gemini | $1.50 | $9.00 | | gemini-3.6-flash | Google Gemini | $1.50 | $7.50 | - [Compare gpt-5.6-luna](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.6-luna.md) - [Compare gemini-flash-latest](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-flash-latest.md) - [Compare gemini-2.5-pro](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-2.5-pro.md) - [Compare gemini-3.5-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-3.5-flash.md) - [Compare gemini-3.6-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-3.6-flash.md) ## Related Resources - [Calculate gemini-2.5-pro-preview-tts costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/vertex_ai/model/gemini-2.5-pro-preview-tts.md) - [All Vertex AI pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/vertex_ai.md) ## FAQ ### Is gemini-2.5-pro-preview-tts cheaper than gpt-5.6-luna? No. gemini-2.5-pro-preview-tts costs $1.25 per 1M input tokens while gpt-5.6-luna costs $1.10 per 1M input tokens, making gpt-5.6-luna 12% more affordable for input. However, gemini-2.5-pro-preview-tts may offer different capabilities or performance characteristics that justify the price difference. ### How does gemini-2.5-pro-preview-tts pricing compare to the average chat model? gemini-2.5-pro-preview-tts input pricing is $1.25 per 1M tokens, which is 150% above the median of $0.50 for chat models. It ranks 1896 out of 2669 chat models by input cost, making it cheaper than 27% of models in this category. For output, it costs $10.00 per 1M tokens compared to the median of $1.44. ### What makes gemini-2.5-pro-preview-tts different from other Vertex AI models? Among Vertex AI's 112 chat models, gemini-2.5-pro-preview-tts ranks 61 by input cost. ### What are the best alternatives to gemini-2.5-pro-preview-tts? The most comparable chat models to gemini-2.5-pro-preview-tts are: gpt-5.6-luna from Azure ($1.10/1M input tokens); gemini-flash-latest from Google Gemini ($1.50/1M input tokens); gemini-2.5-pro from Google Gemini ($1.25/1M input tokens); gemini-3.5-flash from Google Gemini ($1.50/1M 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-2.5-pro-preview-tts's context window? gemini-2.5-pro-preview-tts supports up to 1,048,576 input tokens, placing it in the top 7% of chat models by context window size (rank 102 of 2653). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories. ### How do I calculate gemini-2.5-pro-preview-tts costs? gemini-2.5-pro-preview-tts 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 $1.25 and generating 1M output tokens costs $10.00. ## Related Resources - [Google Vertex AI models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/vertex_ai.md) - [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.md) - [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md) - [Docs: Bifrost docs](https://docs.getbifrost.ai) - [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost) - [Pricing: Bifrost pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Enterprise: Bifrost enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Book a Demo: Bifrost demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) - [Resources: Bifrost resources](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources.md) --- *This is a markdown version of [https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-pro-preview-tts](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-pro-preview-tts) for AI/LLM consumption.*