---
title: "grok-4 - Model Details & Comparison"
description: "grok-4 from OpenRouter: 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/openrouter/grok-4"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openrouter/grok-4.md"
---

# grok-4 - Model Details & Comparison

> grok-4 from OpenRouter: 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 grok-4

grok-4 is a chat model from OpenRouter, one of 357 chat models they offer. It is priced at $3.00 per 1M input tokens and $15.00 per 1M output tokens, ranking 2259 out of 2669 chat models by cost and cheaper than 15% of models in this category. grok-4 supports function calling, reasoning, web search — one of only 6 chat models with this combination. Its 256K-token context window is in the top 31% among chat models.

## Specifications

- **OpenRouter Provider.**
- **Chat Mode.**
- **256,000 Max Input Tokens.**
- **256,000 Max Output Tokens.**
- **256,000 Max Tokens.**
- **$3.00 / 1M tokens Input Price.**
- **$15.00 / 1M tokens Output Price.**

## Capabilities

grok-4 supports: Function Calling, Reasoning, Web Search, Tool Choice.

## grok-4 Pricing Overview

At $3.00 per 1M input tokens and $15.00 per 1M output tokens, grok-4 ranks 2259 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 15% of models in this category.

grok-4 is one of 357 OpenRouter chat models, one of only 6 chat models combining function calling, reasoning, web search. its 256K-token context window places it in the top 31% of chat models.

## Models to Compare

Alternatives to grok-4 with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| anthropic.claude-sonnet-4-6 | AWS Bedrock | $3.00 | $15.00 |
| global.anthropic.claude-sonnet-4-6 | AWS Bedrock | $3.00 | $15.00 |
| us.anthropic.claude-sonnet-4-6 | AWS Bedrock | $3.30 | $16.50 |
| eu.anthropic.claude-sonnet-4-6 | AWS Bedrock | $3.30 | $16.50 |
| au.anthropic.claude-sonnet-4-6 | AWS Bedrock | $3.30 | $16.50 |

- [Compare anthropic.claude-sonnet-4-6](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/anthropic.claude-sonnet-4-6.md)
- [Compare global.anthropic.claude-sonnet-4-6](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/global.anthropic.claude-sonnet-4-6.md)
- [Compare us.anthropic.claude-sonnet-4-6](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/us.anthropic.claude-sonnet-4-6.md)
- [Compare eu.anthropic.claude-sonnet-4-6](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/eu.anthropic.claude-sonnet-4-6.md)
- [Compare au.anthropic.claude-sonnet-4-6](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/au.anthropic.claude-sonnet-4-6.md)

## Related Resources

- [Calculate grok-4 costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter/model/grok-4.md)
- [Check OpenRouter status](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/provider-status/openrouter.md)
- [All OpenRouter pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter.md)

## FAQ

### Is grok-4 cheaper than anthropic.claude-sonnet-4-6?

Yes. grok-4 costs $3.00 per 1M input tokens compared to anthropic.claude-sonnet-4-6's $3.00 per 1M input tokens, making it 0% more affordable. Both are chat models and share support for vision, function calling, reasoning, web search, prompt caching, structured output.

### How does grok-4 pricing compare to the average chat model?

grok-4 input pricing is $3.00 per 1M tokens, which is 500% above the median of $0.50 for chat models. It ranks 2259 out of 2669 chat models by input cost, making it cheaper than 15% of models in this category. For output, it costs $15.00 per 1M tokens compared to the median of $1.44.

### What makes grok-4 different from other OpenRouter models?

Among OpenRouter's 357 chat models, grok-4 ranks 299 by input cost. Its combination of function calling, reasoning, web search is shared by only 5 other chat models.

### What are the best alternatives to grok-4?

The most comparable chat models to grok-4 are: anthropic.claude-sonnet-4-6 from AWS Bedrock ($3.00/1M input tokens); global.anthropic.claude-sonnet-4-6 from AWS Bedrock ($3.00/1M input tokens); us.anthropic.claude-sonnet-4-6 from AWS Bedrock ($3.30/1M input tokens); eu.anthropic.claude-sonnet-4-6 from AWS Bedrock ($3.30/1M 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 do I check if OpenRouter is down?

You can monitor OpenRouter service health in real time on the Bifrost OpenRouter Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds.

### How do I calculate grok-4 costs?

grok-4 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 $3.00 and generating 1M output tokens costs $15.00.

## Related Resources

- [OpenRouter models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/openrouter.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/openrouter/grok-4](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openrouter/grok-4) for AI/LLM consumption.*