---
title: "kimi-k3 - Model Details & Comparison"
description: "kimi-k3 from Moonshot: 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/moonshot/kimi-k3"
markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/moonshot/kimi-k3.md"
---

# kimi-k3 - Model Details & Comparison

> kimi-k3 from Moonshot: 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 kimi-k3

kimi-k3 is a chat model from Moonshot, one of 26 chat models they offer. It is priced at $3.00 per 1M input tokens and $15.00 per 1M output tokens, ranking 2381 out of 2669 chat models by cost and cheaper than 11% of models in this category. kimi-k3 supports function calling, reasoning, web search, prompt caching, structured output — one of only 2 chat models with this combination. Its 1,049K-token context window is in the top 7% among chat models.

## Specifications

- **Moonshot Provider.**
- **Chat Mode.**
- **1,048,576 Max Input Tokens.**
- **1,048,576 Max Tokens.**
- **$3.00 / 1M tokens Input Price.**
- **$15.00 / 1M tokens Output Price.**

## Capabilities

kimi-k3 supports: Function Calling, Reasoning, Web Search, Prompt Caching, Response Schema, Tool Choice.

## kimi-k3 Pricing Overview

At $3.00 per 1M input tokens and $15.00 per 1M output tokens, kimi-k3 ranks 2381 out of 2669 chat models by input cost. It is more expensive compared to the median of $0.50 for chat models, and is cheaper than 11% of models in this category.

kimi-k3 is one of 26 Moonshot chat models, one of only 2 chat models combining function calling, prompt caching, reasoning, structured output, web search. its 1,049K-token context window places it in the top 7% of chat models.

## Models to Compare

Alternatives to kimi-k3 with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| anthropic.claude-sonnet-4-6 | AWS Bedrock | $3.00 | $15.00 |
| global.anthropic.claude-sonnet-4-6 | AWS Bedrock | $3.00 | $15.00 |
| us.anthropic.claude-sonnet-4-6 | AWS Bedrock | $3.30 | $16.50 |
| eu.anthropic.claude-sonnet-4-6 | AWS Bedrock | $3.30 | $16.50 |
| au.anthropic.claude-sonnet-4-6 | AWS Bedrock | $3.30 | $16.50 |

- [Compare anthropic.claude-sonnet-4-6](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/anthropic.claude-sonnet-4-6.md)
- [Compare global.anthropic.claude-sonnet-4-6](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/global.anthropic.claude-sonnet-4-6.md)
- [Compare us.anthropic.claude-sonnet-4-6](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/us.anthropic.claude-sonnet-4-6.md)
- [Compare eu.anthropic.claude-sonnet-4-6](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/eu.anthropic.claude-sonnet-4-6.md)
- [Compare au.anthropic.claude-sonnet-4-6](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/au.anthropic.claude-sonnet-4-6.md)

## Related Resources

- [Calculate kimi-k3 costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/moonshot/model/kimi-k3.md)
- [All Moonshot pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/moonshot.md)

## FAQ

### Is kimi-k3 cheaper than anthropic.claude-sonnet-4-6?

No. kimi-k3 costs $3.00 per 1M input tokens while anthropic.claude-sonnet-4-6 costs $3.00 per 1M input tokens, making anthropic.claude-sonnet-4-6 0% more affordable for input. However, kimi-k3 may offer different capabilities or performance characteristics that justify the price difference.

### How does kimi-k3 pricing compare to the average chat model?

kimi-k3 input pricing is $3.00 per 1M tokens, which is 500% above the median of $0.50 for chat models. It ranks 2381 out of 2669 chat models by input cost, making it cheaper than 11% of models in this category. For output, it costs $15.00 per 1M tokens compared to the median of $1.44.

### What makes kimi-k3 different from other Moonshot models?

Among Moonshot's 26 chat models, kimi-k3 ranks 26 by input cost. Its combination of function calling, prompt caching, reasoning, structured output, web search is shared by only 1 other chat model.

### What are the best alternatives to kimi-k3?

The most comparable chat models to kimi-k3 are: anthropic.claude-sonnet-4-6 from AWS Bedrock ($3.00/1M input tokens); global.anthropic.claude-sonnet-4-6 from AWS Bedrock ($3.00/1M input tokens); us.anthropic.claude-sonnet-4-6 from AWS Bedrock ($3.30/1M input tokens); eu.anthropic.claude-sonnet-4-6 from AWS Bedrock ($3.30/1M 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 7% of chat models by context window size (rank 175 of 2653). 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 $3.00 and generating 1M output tokens costs $15.00.

## Related Resources

- [Moonshot models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/moonshot.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/moonshot/kimi-k3](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/moonshot/kimi-k3) for AI/LLM consumption.*