--- title: "kimi-k3-fast - Model Details & Comparison" description: "kimi-k3-fast from Fireworks AI: 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/fireworks_ai/kimi-k3-fast" markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/fireworks_ai/kimi-k3-fast.md" --- # kimi-k3-fast - Model Details & Comparison > kimi-k3-fast from Fireworks AI: 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-fast kimi-k3-fast is a chat model from Fireworks AI, one of 274 chat models they offer. It is priced at $4.50 per 1M input tokens and $22.50 per 1M output tokens, ranking 2421 out of 2669 chat models by cost and cheaper than 9% of models in this category. kimi-k3-fast supports prompt caching. ## Specifications - **Fireworks AI Provider.** - **Chat Mode.** - **$4.50 / 1M tokens Input Price.** - **$22.50 / 1M tokens Output Price.** ## Capabilities kimi-k3-fast supports: Prompt Caching. ## kimi-k3-fast Pricing Overview At $4.50 per 1M input tokens and $22.50 per 1M output tokens, kimi-k3-fast ranks 2421 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 9% of models in this category. kimi-k3-fast is one of 274 Fireworks AI chat models, with support for prompt caching. ## Models to Compare Alternatives to kimi-k3-fast with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | anthropic.claude-opus-4-5-20251101-v1:0 | AWS Bedrock | $5.00 | $25.00 | | anthropic.claude-opus-4-6-v1 | AWS Bedrock | $5.00 | $25.00 | | global.anthropic.claude-opus-4-6-v1 | AWS Bedrock | $5.00 | $25.00 | | us.anthropic.claude-opus-4-6-v1 | AWS Bedrock | $5.50 | $27.50 | | eu.anthropic.claude-opus-4-6-v1 | AWS Bedrock | $5.50 | $27.50 | - [Compare anthropic.claude-opus-4-5-20251101-v1:0](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/anthropic.claude-opus-4-5-20251101-v1-0.md) - [Compare anthropic.claude-opus-4-6-v1](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/anthropic.claude-opus-4-6-v1.md) - [Compare global.anthropic.claude-opus-4-6-v1](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/global.anthropic.claude-opus-4-6-v1.md) - [Compare us.anthropic.claude-opus-4-6-v1](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/us.anthropic.claude-opus-4-6-v1.md) - [Compare eu.anthropic.claude-opus-4-6-v1](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/bedrock/eu.anthropic.claude-opus-4-6-v1.md) ## Related Resources - [Calculate kimi-k3-fast costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/fireworks_ai/model/kimi-k3-fast.md) - [Check Fireworks AI status](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/provider-status/fireworks-ai.md) - [All Fireworks AI pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/fireworks_ai.md) ## FAQ ### Is kimi-k3-fast cheaper than anthropic.claude-opus-4-5-20251101-v1:0? Yes. kimi-k3-fast costs $4.50 per 1M input tokens compared to anthropic.claude-opus-4-5-20251101-v1:0's $5.00 per 1M input tokens, making it 11% more affordable. Both are chat models and share support for vision, function calling, reasoning, prompt caching, structured output. ### How does kimi-k3-fast pricing compare to the average chat model? kimi-k3-fast input pricing is $4.50 per 1M tokens, which is 800% above the median of $0.50 for chat models. It ranks 2421 out of 2669 chat models by input cost, making it cheaper than 9% of models in this category. For output, it costs $22.50 per 1M tokens compared to the median of $1.44. ### What makes kimi-k3-fast different from other Fireworks AI models? Among Fireworks AI's 274 chat models, kimi-k3-fast ranks 274 by input cost. ### What are the best alternatives to kimi-k3-fast? The most comparable chat models to kimi-k3-fast are: anthropic.claude-opus-4-5-20251101-v1:0 from AWS Bedrock ($5.00/1M input tokens); anthropic.claude-opus-4-6-v1 from AWS Bedrock ($5.00/1M input tokens); global.anthropic.claude-opus-4-6-v1 from AWS Bedrock ($5.00/1M input tokens); us.anthropic.claude-opus-4-6-v1 from AWS Bedrock ($5.50/1M 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 Fireworks AI is down? You can monitor Fireworks AI service health in real time on the Bifrost Fireworks AI 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 kimi-k3-fast costs? kimi-k3-fast 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 $4.50 and generating 1M output tokens costs $22.50. ## Related Resources - [Fireworks AI models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/fireworks_ai.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/fireworks_ai/kimi-k3-fast](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/fireworks_ai/kimi-k3-fast) for AI/LLM consumption.*