---
title: "solar-pro4 Cost Calculator - OpenRouter"
description: "Calculate the cost of using solar-pro4 from OpenRouter. Input costs $0.03 and output $0.12 per 1M tokens."
url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter/model/solar-pro4"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter/model/solar-pro4.md"
---

# solar-pro4 Cost Calculator - OpenRouter

> Calculate the cost of using solar-pro4 from OpenRouter. Input costs $0.03 and output $0.12 per 1M tokens.

## 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 solar-pro4

solar-pro4 is a chat model from OpenRouter, one of 438 chat models they offer. It is priced at $0.03 per 1M input tokens and $0.12 per 1M output tokens, ranking 60 out of 2892 chat models by cost and cheaper than 98% of models in this category. solar-pro4 supports function calling, reasoning, prompt caching, structured output. Its 524K-token context window is in the top 19% among chat models.

## Pricing

Published OpenRouter pricing for solar-pro4.

- **$0.03 / 1M tokens Input.**
- **$0.12 / 1M tokens Output.**

## Technical Specifications

- **Chat Mode.**
- **524,288 Max Input Tokens.**
- **131,072 Max Output Tokens.**
- **131,072 Max Tokens.**

## Model Capabilities

solar-pro4 supports: Function Calling, Reasoning, Prompt Caching, Response Schema, Tool Choice.

## How Pricing Compares

At $0.03 per 1M input tokens and $0.12 per 1M output tokens, solar-pro4 ranks 60 out of 2892 chat models by input cost. It is more affordable compared to the median of $0.55 for chat models, and is cheaper than 98% of models in this category.

solar-pro4 is one of 438 OpenRouter chat models, with support for function calling, reasoning, prompt caching, structured output. its 524K-token context window places it in the top 19% of chat models.

| Model | Provider | Input $/1M | Output $/1M | vs solar-pro4 |
| --- | --- | --- | --- | --- |
| amazon.nova-micro-v1:0 | AWS Bedrock | $0.04 | $0.14 | +17% |
| apac.amazon.nova-micro-v1:0 | AWS Bedrock | $0.04 | $0.15 | +23% |
| nova-micro-v1 | Amazon Nova | $0.04 | $0.14 | +17% |
| us.amazon.nova-micro-v1:0 | AWS Bedrock | $0.04 | $0.14 | +17% |
| gpt-5-nano-2025-08-07 | Azure | $0.06 | $0.44 | +83% |

## More from OpenRouter

- [gpt-oss-120b ($0.03/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter/model/gpt-oss-120b.md)
- [gpt-oss-20b ($0.03/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter/model/gpt-oss-20b.md)
- [qwen3.7-flash ($0.03/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter/model/qwen3.7-flash.md)
- [llama-3.2-1b-instruct ($0.03/1M input)](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter/model/llama-3.2-1b-instruct.md)

## Related Resources

- [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 solar-pro4 cheaper than amazon.nova-micro-v1:0?

Yes. solar-pro4 costs $0.03 per 1M input tokens compared to amazon.nova-micro-v1:0's $0.04 per 1M input tokens, making it 17% more affordable. Both are chat models and share support for function calling, prompt caching, structured output.

### How does solar-pro4 pricing compare to the average chat model?

solar-pro4 input pricing is $0.03 per 1M tokens, which is 95% below the median of $0.55 for chat models. It ranks 60 out of 2892 chat models by input cost, making it cheaper than 98% of models in this category. For output, it costs $0.12 per 1M tokens compared to the median of $1.50.

### What makes solar-pro4 different from other OpenRouter models?

Among OpenRouter's 438 chat models, solar-pro4 ranks 11 by input cost.

### What are the best alternatives to solar-pro4?

The most comparable chat models to solar-pro4 are: amazon.nova-micro-v1:0 from AWS Bedrock ($0.04/1M input tokens); apac.amazon.nova-micro-v1:0 from AWS Bedrock ($0.04/1M input tokens); nova-micro-v1 from Amazon Nova ($0.04/1M input tokens); us.amazon.nova-micro-v1:0 from AWS Bedrock ($0.04/1M 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 solar-pro4's context window?

solar-pro4 supports up to 524,288 input tokens, placing it in the top 19% of chat models by context window size (rank 501 of 2694). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.

### 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 solar-pro4 costs?

solar-pro4 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 $0.03 and generating 1M output tokens costs $0.12.

## Related Resources

- [All OpenRouter pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter.md)
- [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md)
- [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.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/llm-cost-calculator/provider/openrouter/model/solar-pro4](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter/model/solar-pro4) for AI/LLM consumption.*