---
title: "gemini-2.5-pro - Model Details & Comparison"
description: "gemini-2.5-pro from Google Vertex AI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-2.5-pro"
markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-2.5-pro.md"
---

# gemini-2.5-pro - Model Details & Comparison

> gemini-2.5-pro from Google Vertex AI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models.

## Important Links

- [View MCP Gateway](https://www.getmaxim.ai/resources/mcp-gateway.md)
- [Features](https://www.getmaxim.ai/bifrost/#features)
- [Enterprise](https://www.getmaxim.ai/enterprise)
- [Pricing](https://www.getmaxim.ai/pricing.md)
- [Docs](https://docs.getbifrost.ai)
- [GitHub](https://github.com/maximhq/bifrost)
- [Book a Demo](https://www.getmaxim.ai/book-a-demo)

## About gemini-2.5-pro

gemini-2.5-pro is a chat model from Vertex AI, one of 124 chat models they offer. It is priced at $1.25 per 1M input tokens and $10.00 per 1M output tokens, ranking 2535 out of 3793 chat models by cost and cheaper than 31% of models in this category. gemini-2.5-pro 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.

## Specifications

- **Google Vertex AI Provider.**
- **Chat Mode.**
- **1,048,576 Max Input Tokens.**
- **65,536 Max Output Tokens.**
- **65,535 Max Tokens.**
- **$1.25 / 1M tokens Input Price.**
- **$10.00 / 1M tokens Output Price.**

## Capabilities

gemini-2.5-pro supports: Function Calling, Vision, Reasoning, Web Search, Audio Input, Video Input, Prompt Caching, System Messages, Response Schema, Tool Choice, PDF Input.

## gemini-2.5-pro Pricing Overview

At $1.25 per 1M input tokens and $10.00 per 1M output tokens, gemini-2.5-pro ranks 2535 out of 3793 chat models by input cost. It is more expensive compared to the median of $0.60 for chat models, and is cheaper than 31% of models in this category.

gemini-2.5-pro is one of 124 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.

## Models to Compare

Alternatives to gemini-2.5-pro with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| gemini-2.5-pro | Google Gemini | $1.25 | $10.00 |
| gemini-3.5-flash | Google Gemini | $1.50 | $9.00 |
| grok-4.3 | Azure | $1.25 | $2.50 |
| gpt-5 | OpenAI | $1.25 | $10.00 |
| gpt-5.1 | OpenAI | $1.25 | $10.00 |

- [Compare gemini-2.5-pro](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-2.5-pro.md)
- [Compare gemini-3.5-flash](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-3.5-flash.md)
- [Compare grok-4.3](https://www.getmaxim.ai/bifrost/model-library/compare/azure/grok-4.3.md)
- [Compare gpt-5](https://www.getmaxim.ai/bifrost/model-library/compare/openai/gpt-5.md)
- [Compare gpt-5.1](https://www.getmaxim.ai/bifrost/model-library/compare/openai/gpt-5.1.md)

## Related Resources

- [Calculate gemini-2.5-pro costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/vertex_ai/model/gemini-2.5-pro.md)
- [All Vertex AI pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/vertex_ai.md)

## FAQ

### Is gemini-2.5-pro cheaper than gemini-2.5-pro?

No. gemini-2.5-pro costs $1.25 per 1M input tokens while gemini-2.5-pro costs $1.25 per 1M input tokens, making gemini-2.5-pro 0% more affordable for input. However, gemini-2.5-pro may offer different capabilities or performance characteristics that justify the price difference.

### How does gemini-2.5-pro pricing compare to the average chat model?

gemini-2.5-pro input pricing is $1.25 per 1M tokens, which is 108% above the median of $0.60 for chat models. It ranks 2535 out of 3793 chat models by input cost, making it cheaper than 31% of models in this category. For output, it costs $10.00 per 1M tokens compared to the median of $1.75.

### What makes gemini-2.5-pro different from other Vertex AI models?

Among Vertex AI's 124 chat models, gemini-2.5-pro ranks 66 by input cost.

### What are the best alternatives to gemini-2.5-pro?

The most comparable chat models to gemini-2.5-pro are: gemini-2.5-pro from Google Gemini ($1.25/1M input tokens); gemini-3.5-flash from Google Gemini ($1.50/1M input tokens); grok-4.3 from Azure ($1.25/1M input tokens); gpt-5 from OpenAI ($1.25/1M 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's context window?

gemini-2.5-pro supports up to 1,048,576 input tokens, placing it in the top 13% of chat models by context window size (rank 168 of 3746). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.

### How do I calculate gemini-2.5-pro costs?

gemini-2.5-pro 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://www.getmaxim.ai/bifrost/model-library/provider/vertex_ai.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.md)
- [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/resources.md)

---

*This is a markdown version of [https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-2.5-pro](https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-2.5-pro) for AI/LLM consumption.*
