---
title: "laguna-s-2.1 - Model Details & Comparison"
description: "laguna-s-2.1 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/laguna-s-2.1"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openrouter/laguna-s-2.1.md"
---

# laguna-s-2.1 - Model Details & Comparison

> laguna-s-2.1 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 laguna-s-2.1

laguna-s-2.1 is a chat model from OpenRouter, one of 357 chat models they offer. It is priced at $0.10 per 1M input tokens and $0.20 per 1M output tokens, ranking 384 out of 2669 chat models by cost and cheaper than 85% of models in this category. laguna-s-2.1 supports function calling, reasoning, prompt caching. Its 1,049K-token context window is in the top 7% among chat models.

## Specifications

- **OpenRouter Provider.**
- **Chat Mode.**
- **1,048,576 Max Input Tokens.**
- **131,072 Max Output Tokens.**
- **131,072 Max Tokens.**
- **$0.10 / 1M tokens Input Price.**
- **$0.20 / 1M tokens Output Price.**

## Capabilities

laguna-s-2.1 supports: Function Calling, Reasoning, Prompt Caching, Tool Choice.

## laguna-s-2.1 Pricing Overview

At $0.10 per 1M input tokens and $0.20 per 1M output tokens, laguna-s-2.1 ranks 384 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 85% of models in this category.

laguna-s-2.1 is one of 357 OpenRouter chat models, with support for function calling, reasoning, prompt caching. its 1,049K-token context window places it in the top 7% of chat models.

## Models to Compare

Alternatives to laguna-s-2.1 with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| gemini-2.5-flash-lite | Vertex AI | $0.10 | $0.40 |
| gemini-2.5-flash-lite-preview-09-2025 | Vertex AI | $0.10 | $0.40 |
| gemini-2.5-flash-lite-preview-06-17 | Vertex AI | $0.10 | $0.40 |
| gemini-2.5-flash-lite | Google Gemini | $0.10 | $0.40 |
| gemini-2.5-flash-lite-preview-09-2025 | Google Gemini | $0.10 | $0.40 |

- [Compare gemini-2.5-flash-lite](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-flash-lite.md)
- [Compare gemini-2.5-flash-lite-preview-09-2025](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-flash-lite-preview-09-2025.md)
- [Compare gemini-2.5-flash-lite-preview-06-17](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gemini-2.5-flash-lite-preview-06-17.md)
- [Compare gemini-2.5-flash-lite](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-2.5-flash-lite.md)
- [Compare gemini-2.5-flash-lite-preview-09-2025](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-2.5-flash-lite-preview-09-2025.md)

## Related Resources

- [Calculate laguna-s-2.1 costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/openrouter/model/laguna-s-2.1.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 laguna-s-2.1 cheaper than gemini-2.5-flash-lite?

No. laguna-s-2.1 costs $0.10 per 1M input tokens while gemini-2.5-flash-lite costs $0.10 per 1M input tokens, making gemini-2.5-flash-lite 0% more affordable for input. However, laguna-s-2.1 may offer different capabilities or performance characteristics that justify the price difference.

### How does laguna-s-2.1 pricing compare to the average chat model?

laguna-s-2.1 input pricing is $0.10 per 1M tokens, which is 80% below the median of $0.50 for chat models. It ranks 384 out of 2669 chat models by input cost, making it cheaper than 85% of models in this category. For output, it costs $0.20 per 1M tokens compared to the median of $1.44.

### What makes laguna-s-2.1 different from other OpenRouter models?

Among OpenRouter's 357 chat models, laguna-s-2.1 ranks 52 by input cost.

### What are the best alternatives to laguna-s-2.1?

The most comparable chat models to laguna-s-2.1 are: gemini-2.5-flash-lite from Vertex AI ($0.10/1M input tokens); gemini-2.5-flash-lite-preview-09-2025 from Vertex AI ($0.10/1M input tokens); gemini-2.5-flash-lite-preview-06-17 from Vertex AI ($0.10/1M input tokens); gemini-2.5-flash-lite from Google Gemini ($0.10/1M 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 laguna-s-2.1's context window?

laguna-s-2.1 supports up to 1,048,576 input tokens, placing it in the top 7% of chat models by context window size (rank 158 of 2653). 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 laguna-s-2.1 costs?

laguna-s-2.1 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 $0.10 and generating 1M output tokens costs $0.20.

## 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/laguna-s-2.1](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openrouter/laguna-s-2.1) for AI/LLM consumption.*