---
title: "Kimi-K3 - Model Details & Comparison"
description: "Kimi-K3 from Sail: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://www.getmaxim.ai/bifrost/model-library/compare/sail/kimi-k3"
markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/sail/kimi-k3.md"
---

# Kimi-K3 - Model Details & Comparison

> Kimi-K3 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 Kimi-K3

Kimi-K3 is a chat model from Sail, one of 12 chat models they offer. It is priced at $2.50 per 1M input tokens and $12.50 per 1M output tokens, ranking 3126 out of 3793 chat models by cost and cheaper than 16% of models in this category. Kimi-K3 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.**
- **$2.50 / 1M tokens Input Price.**
- **$12.50 / 1M tokens Output Price.**

## Capabilities

Kimi-K3 supports: Function Calling, Reasoning, Prompt Caching, Response Schema, Tool Choice.

## Kimi-K3 Pricing Overview

At $2.50 per 1M input tokens and $12.50 per 1M output tokens, Kimi-K3 ranks 3126 out of 3793 chat models by input cost. It is more expensive compared to the median of $0.60 for chat models, and is cheaper than 16% of models in this category.

Kimi-K3 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 Kimi-K3 with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| anthropic.claude-3-7-sonnet-20240620-v1:0 | AWS Bedrock | $3.00 | $15.00 |
| anthropic.claude-3-7-sonnet-20250219-v1:0 | AWS Bedrock | $3.00 | $15.00 |
| us.anthropic.claude-sonnet-5 | AWS Bedrock | $2.20 | $11.00 |
| eu.anthropic.claude-sonnet-5 | AWS Bedrock | $2.20 | $11.00 |
| au.anthropic.claude-sonnet-5 | AWS Bedrock | $2.20 | $11.00 |

- [Compare anthropic.claude-3-7-sonnet-20240620-v1:0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/anthropic.claude-3-7-sonnet-20240620-v1-0.md)
- [Compare anthropic.claude-3-7-sonnet-20250219-v1:0](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/anthropic.claude-3-7-sonnet-20250219-v1-0.md)
- [Compare us.anthropic.claude-sonnet-5](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/us.anthropic.claude-sonnet-5.md)
- [Compare eu.anthropic.claude-sonnet-5](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/eu.anthropic.claude-sonnet-5.md)
- [Compare au.anthropic.claude-sonnet-5](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock/au.anthropic.claude-sonnet-5.md)

## Related Resources

- [Calculate Kimi-K3 costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/sail/model/kimi-k3.md)
- [All Sail pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/sail.md)

## FAQ

### Is Kimi-K3 cheaper than anthropic.claude-3-7-sonnet-20240620-v1:0?

Yes. Kimi-K3 costs $2.50 per 1M input tokens compared to anthropic.claude-3-7-sonnet-20240620-v1:0's $3.00 per 1M input tokens, making it 20% more affordable. Both are chat models and share support for vision, function calling, reasoning, prompt caching, structured output.

### How does Kimi-K3 pricing compare to the average chat model?

Kimi-K3 input pricing is $2.50 per 1M tokens, which is 317% above the median of $0.60 for chat models. It ranks 3126 out of 3793 chat models by input cost, making it cheaper than 16% of models in this category. For output, it costs $12.50 per 1M tokens compared to the median of $1.75.

### What makes Kimi-K3 different from other Sail models?

Among Sail's 12 chat models, Kimi-K3 ranks 12 by input cost.

### What are the best alternatives to Kimi-K3?

The most comparable chat models to Kimi-K3 are: anthropic.claude-3-7-sonnet-20240620-v1:0 from AWS Bedrock ($3.00/1M input tokens); anthropic.claude-3-7-sonnet-20250219-v1:0 from AWS Bedrock ($3.00/1M input tokens); us.anthropic.claude-sonnet-5 from AWS Bedrock ($2.20/1M input tokens); eu.anthropic.claude-sonnet-5 from AWS Bedrock ($2.20/1M 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 Kimi-K3's context window?

Kimi-K3 supports up to 1,048,576 input tokens, placing it in the top 13% of chat models by context window size (rank 149 of 3746). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.

### How do I calculate Kimi-K3 costs?

Kimi-K3 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 $2.50 and generating 1M output tokens costs $12.50.

## 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/kimi-k3](https://www.getmaxim.ai/bifrost/model-library/compare/sail/kimi-k3) for AI/LLM consumption.*