---
title: "DeepSeek-V4.1-Flash - Model Details & Comparison"
description: "DeepSeek-V4.1-Flash from Sail: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://www.getmaxim.ai/bifrost/model-library/compare/sail/deepseek-v4.1-flash"
markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/sail/deepseek-v4.1-flash.md"
---

# DeepSeek-V4.1-Flash - Model Details & Comparison

> DeepSeek-V4.1-Flash from Sail: capabilities, context limits, pricing, and side-by-side comparisons with alternative models.

## Important Links

- [View MCP Gateway](https://www.getmaxim.ai/resources/mcp-gateway.md)
- [Features](https://www.getmaxim.ai/bifrost/#features)
- [Enterprise](https://www.getmaxim.ai/enterprise)
- [Pricing](https://www.getmaxim.ai/pricing.md)
- [Docs](https://docs.getbifrost.ai)
- [GitHub](https://github.com/maximhq/bifrost)
- [Book a Demo](https://www.getmaxim.ai/book-a-demo)

## About DeepSeek-V4.1-Flash

DeepSeek-V4.1-Flash is a chat model from Sail, one of 12 chat models they offer. It is priced at $0.09 per 1M input tokens and $0.30 per 1M output tokens, ranking 366 out of 3793 chat models by cost and cheaper than 90% of models in this category. DeepSeek-V4.1-Flash supports function calling, reasoning, prompt caching, structured output. Its 1,049K-token context window is in the top 13% among chat models.

## Specifications

- **Sail Provider.**
- **Chat Mode.**
- **1,048,576 Max Input Tokens.**
- **1,048,576 Max Output Tokens.**
- **1,048,576 Max Tokens.**
- **$0.09 / 1M tokens Input Price.**
- **$0.30 / 1M tokens Output Price.**

## Capabilities

DeepSeek-V4.1-Flash supports: Function Calling, Reasoning, Prompt Caching, Response Schema, Tool Choice.

## DeepSeek-V4.1-Flash Pricing Overview

At $0.09 per 1M input tokens and $0.30 per 1M output tokens, DeepSeek-V4.1-Flash ranks 366 out of 3793 chat models by input cost. It is more affordable compared to the median of $0.60 for chat models, and is cheaper than 90% of models in this category.

DeepSeek-V4.1-Flash is one of 12 Sail chat models, with support for function calling, reasoning, prompt caching, structured output. its 1,049K-token context window places it in the top 13% of chat models.

## Models to Compare

Alternatives to DeepSeek-V4.1-Flash with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| gpt-6-luna | Azure | $0.10 | $0.50 |
| gpt-6-luna-2026-09-22 | Azure | $0.10 | $0.50 |
| 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 | Google Gemini | $0.10 | $0.40 |

- [Compare gpt-6-luna](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-6-luna.md)
- [Compare gpt-6-luna-2026-09-22](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-6-luna-2026-09-22.md)
- [Compare gemini-2.5-flash-lite](https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-2.5-flash-lite.md)
- [Compare gemini-2.5-flash-lite-preview-09-2025](https://www.getmaxim.ai/bifrost/model-library/compare/vertex_ai/gemini-2.5-flash-lite-preview-09-2025.md)
- [Compare gemini-2.5-flash-lite](https://www.getmaxim.ai/bifrost/model-library/compare/gemini/gemini-2.5-flash-lite.md)

## Related Resources

- [Calculate DeepSeek-V4.1-Flash costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/sail/model/deepseek-v4.1-flash.md)
- [All Sail pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/sail.md)

## FAQ

### Is DeepSeek-V4.1-Flash cheaper than gpt-6-luna?

Yes. DeepSeek-V4.1-Flash costs $0.09 per 1M input tokens compared to gpt-6-luna's $0.10 per 1M input tokens, making it 11% more affordable. Both are chat models and share support for vision, function calling, reasoning, web search, prompt caching, structured output.

### How does DeepSeek-V4.1-Flash pricing compare to the average chat model?

DeepSeek-V4.1-Flash input pricing is $0.09 per 1M tokens, which is 85% below the median of $0.60 for chat models. It ranks 366 out of 3793 chat models by input cost, making it cheaper than 90% of models in this category. For output, it costs $0.30 per 1M tokens compared to the median of $1.75.

### What makes DeepSeek-V4.1-Flash different from other Sail models?

Among Sail's 12 chat models, DeepSeek-V4.1-Flash ranks 4 by input cost.

### What are the best alternatives to DeepSeek-V4.1-Flash?

The most comparable chat models to DeepSeek-V4.1-Flash are: gpt-6-luna from Azure ($0.10/1M input tokens); gpt-6-luna-2026-09-22 from Azure ($0.10/1M input tokens); 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). 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 DeepSeek-V4.1-Flash's context window?

DeepSeek-V4.1-Flash supports up to 1,048,576 input tokens, placing it in the top 13% of chat models by context window size (rank 154 of 3746). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.

### How do I calculate DeepSeek-V4.1-Flash costs?

DeepSeek-V4.1-Flash 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 $0.09 and generating 1M output tokens costs $0.30.

## Related Resources

- [Sail models](https://www.getmaxim.ai/bifrost/model-library/provider/sail.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.md)
- [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/resources.md)

---

*This is a markdown version of [https://www.getmaxim.ai/bifrost/model-library/compare/sail/deepseek-v4.1-flash](https://www.getmaxim.ai/bifrost/model-library/compare/sail/deepseek-v4.1-flash) for AI/LLM consumption.*