---
title: "csm-1b Cost Calculator - OpenRouter"
description: "Calculate the cost of using csm-1b from OpenRouter."
url: "https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/csm-1b"
markdown: "https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/csm-1b.md"
---

# csm-1b Cost Calculator - OpenRouter

> Calculate the cost of using csm-1b from OpenRouter.

## 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 csm-1b

csm-1b is a chat model from OpenRouter, one of 463 chat models they offer. It is priced at $7.00 per 1M input tokens, ranking 3448 out of 3639 chat models by cost and cheaper than 5% of models in this category. It accepts up to 4K input tokens.

## Pricing

Published OpenRouter pricing for csm-1b.

- **$7.00 / 1M tokens Input.**

## Technical Specifications

- **Chat Mode.**
- **4,096 Max Input Tokens.**
- **3,686 Max Output Tokens.**
- **3,686 Max Tokens.**

## How Pricing Compares

At $7.00 per 1M input tokens, csm-1b ranks 3448 out of 3639 chat models by input cost. It is more expensive compared to the median of $0.58 for chat models, and is cheaper than 5% of models in this category.

| Model | Provider | Input $/1M | Output $/1M | vs csm-1b |
| --- | --- | --- | --- | --- |
| anthropic.claude-v1 | AWS Bedrock | $8.00 | $24.00 | +14% |
| anthropic.claude-v2:1 | AWS Bedrock | $8.00 | $24.00 | +14% |
| mistral-large-2402 | Azure | $8.00 | $24.00 | +14% |
| mistral.mistral-large-2402-v1:0 | AWS Bedrock | $8.00 | $24.00 | +14% |
| grok-4 | Replicate | $7.20 | $36.00 | +3% |

## More from OpenRouter

- [orpheus-3b-0.1-ft ($7.00/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/orpheus-3b-0.1-ft.md)
- [qwen3-asr-1.7b ($7.50/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/qwen3-asr-1.7b.md)
- [whisper-large-v3 ($7.50/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/whisper-large-v3.md)
- [gpt-5-pro:batch ($7.50/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/gpt-5-pro-batch.md)

## Related Resources

- [OpenRouter status](https://www.getmaxim.ai/bifrost/provider-status/openrouter.md)
- [All OpenRouter pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter.md)

## FAQ

### Is csm-1b cheaper than anthropic.claude-v1?

Yes. csm-1b costs $7.00 per 1M input tokens compared to anthropic.claude-v1's $8.00 per 1M input tokens, making it 14% more affordable. Both are chat models.

### How does csm-1b pricing compare to the average chat model?

csm-1b input pricing is $7.00 per 1M tokens, which is 1107% above the median of $0.58 for chat models. It ranks 3448 out of 3639 chat models by input cost, making it cheaper than 5% of models in this category.

### What makes csm-1b different from other OpenRouter models?

Among OpenRouter's 463 chat models, csm-1b ranks 420 by input cost.

### What are the best alternatives to csm-1b?

The most comparable chat models to csm-1b are: anthropic.claude-v1 from AWS Bedrock ($8.00/1M input tokens); anthropic.claude-v2:1 from AWS Bedrock ($8.00/1M input tokens); mistral-large-2402 from Azure ($8.00/1M input tokens); mistral.mistral-large-2402-v1:0 from AWS Bedrock ($8.00/1M 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 csm-1b costs?

csm-1b 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.

## Related Resources

- [All OpenRouter pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter.md)
- [LLM cost calculator](https://www.getmaxim.ai/bifrost/llm-cost-calculator.md)
- [Model library](https://www.getmaxim.ai/bifrost/model-library.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/llm-cost-calculator/provider/openrouter/model/csm-1b](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/csm-1b) for AI/LLM consumption.*