---
title: "gen4.5 - Model Details & Comparison"
description: "gen4.5 from Runwayml: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://www.getmaxim.ai/bifrost/model-library/compare/runwayml/gen4.5"
markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/runwayml/gen4.5.md"
---

# gen4.5 - Model Details & Comparison

> gen4.5 from Runwayml: 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 gen4.5

gen4.5 is a video generation model from Runwayml.

## Specifications

- **Runwayml Provider.**
- **Video Generation Mode.**

## Models to Compare

Alternatives to gen4.5 with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| gemini-omni-flash-preview | Google Gemini | $1.50 | $9.00 |
| veo-2.0-generate-001 | Google Gemini | - | - |
| veo-3.1-fast-generate-preview | Google Gemini | - | - |
| veo-3.1-generate-preview | Google Gemini | - | - |
| veo-3.1-lite-generate-preview | Google Gemini | - | - |

- [Compare gemini-omni-flash-preview](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-omni-flash-preview.md)
- [Compare veo-2.0-generate-001](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/veo-2.0-generate-001.md)
- [Compare veo-3.1-fast-generate-preview](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/veo-3.1-fast-generate-preview.md)
- [Compare veo-3.1-generate-preview](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/veo-3.1-generate-preview.md)
- [Compare veo-3.1-lite-generate-preview](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/veo-3.1-lite-generate-preview.md)

## Related Resources

- [Calculate gen4.5 costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/runwayml/model/gen4.5.md)
- [All Runwayml pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/runwayml.md)

## FAQ

### What are the best alternatives to gen4.5?

The most comparable video generation models to gen4.5 are: gemini-omni-flash-preview from Google Gemini ($1.50/1M input tokens); veo-2.0-generate-001 from Google Gemini; veo-3.1-fast-generate-preview from Google Gemini; veo-3.1-generate-preview from Google Gemini. 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 do I calculate gen4.5 costs?

gen4.5 is priced based on usage. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected usage volume and the calculator will show the total cost breakdown.

## Related Resources

- [Runwayml models](https://www.getmaxim.ai/bifrost/model-library/provider/runwayml.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/runwayml/gen4.5](https://www.getmaxim.ai/bifrost/model-library/compare/runwayml/gen4.5) for AI/LLM consumption.*