---
title: "gemini-2.5-flash - Model Details & Comparison"
description: "gemini-2.5-flash from Google Gemini: 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/gemini/gemini-2.5-flash"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-2.5-flash.md"
---

# gemini-2.5-flash - Model Details & Comparison

> gemini-2.5-flash from Google Gemini: 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-flash

gemini-2.5-flash is a chat model from Google Gemini, one of 34 chat models they offer. It is priced at $0.30 per 1M input tokens and $2.50 per 1M output tokens, ranking 1010 out of 2669 chat models by cost and cheaper than 59% of models in this category. gemini-2.5-flash supports vision, function calling, reasoning, web search, prompt caching, structured output. Its 1,049K-token context window is in the top 7% among chat models.

## Specifications

- **Google Gemini Provider.**
- **Chat Mode.**
- **1,048,576 Max Input Tokens.**
- **65,535 Max Output Tokens.**
- **65,535 Max Tokens.**
- **$0.30 / 1M tokens Input Price.**
- **$2.50 / 1M tokens Output Price.**

## Capabilities

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

## gemini-2.5-flash Pricing Overview

At $0.30 per 1M input tokens and $2.50 per 1M output tokens, gemini-2.5-flash ranks 1010 out of 2669 chat models by input cost. It is more affordable compared to the median of $0.50 for chat models, and is cheaper than 59% of models in this category.

gemini-2.5-flash is one of 34 Google Gemini 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 7% of chat models.

## Models to Compare

Alternatives to gemini-2.5-flash with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| gemini-2.5-flash | Vertex AI | $0.30 | $2.50 |
| gemini-2.5-flash-preview-09-2025 | Vertex AI | $0.30 | $2.50 |
| gpt-5-mini | OpenAI | $0.25 | $2.00 |
| gpt-5-mini-2025-08-07 | OpenAI | $0.25 | $2.00 |
| gemini-3.1-flash-lite-preview | OpenRouter | $0.25 | $1.50 |

- [Compare gemini-2.5-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-flash.md)
- [Compare gemini-2.5-flash-preview-09-2025](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-flash-preview-09-2025.md)
- [Compare gpt-5-mini](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openai/gpt-5-mini.md)
- [Compare gpt-5-mini-2025-08-07](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openai/gpt-5-mini-2025-08-07.md)
- [Compare gemini-3.1-flash-lite-preview](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openrouter/gemini-3.1-flash-lite-preview.md)

## Related Resources

- [Calculate gemini-2.5-flash costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/gemini/model/gemini-2.5-flash.md)
- [All Google Gemini pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/gemini.md)

## FAQ

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

No. gemini-2.5-flash costs $0.30 per 1M input tokens while gemini-2.5-flash costs $0.30 per 1M input tokens, making gemini-2.5-flash 0% more affordable for input. However, gemini-2.5-flash may offer different capabilities or performance characteristics that justify the price difference.

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

gemini-2.5-flash input pricing is $0.30 per 1M tokens, which is 40% below the median of $0.50 for chat models. It ranks 1010 out of 2669 chat models by input cost, making it cheaper than 59% of models in this category. For output, it costs $2.50 per 1M tokens compared to the median of $1.44.

### What makes gemini-2.5-flash different from other Google Gemini models?

Among Google Gemini's 34 chat models, gemini-2.5-flash ranks 12 by input cost.

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

The most comparable chat models to gemini-2.5-flash are: gemini-2.5-flash from Vertex AI ($0.30/1M input tokens); gemini-2.5-flash-preview-09-2025 from Vertex AI ($0.30/1M input tokens); gpt-5-mini from OpenAI ($0.25/1M input tokens); gpt-5-mini-2025-08-07 from OpenAI ($0.25/1M 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-flash's context window?

gemini-2.5-flash supports up to 1,048,576 input tokens, placing it in the top 7% of chat models by context window size (rank 108 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-flash costs?

gemini-2.5-flash 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 $0.30 and generating 1M output tokens costs $2.50.

## Related Resources

- [Google Gemini models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/gemini.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/gemini/gemini-2.5-flash](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-2.5-flash) for AI/LLM consumption.*
