Calculate the cost of using kimi-k3-fast from Fireworks AI for your AI applications
Pricing data last updated:
Mode: Chat
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kimi-k3-fast is a chat model from Fireworks AI, one of 273 chat models they offer. It is priced at $4.50 per 1M input tokens and $22.50 per 1M output tokens, ranking 2412 out of 2660 chat models by cost and cheaper than 9% of models in this category. kimi-k3-fast supports prompt caching.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
At $4.50 per 1M input tokens and $22.50 per 1M output tokens, kimi-k3-fast ranks 2412 out of 2660 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 273 Fireworks AI chat models, with support for prompt caching.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs kimi-k3-fast |
|---|---|---|---|---|
| anthropic.claude-opus-4-5-20251101-v1:0 | AWS Bedrock | $5.00 | $25.00 | +11% |
| anthropic.claude-opus-4-6-v1 | AWS Bedrock | $5.00 | $25.00 | +11% |
| global.anthropic.claude-opus-4-6-v1 | AWS Bedrock | $5.00 | $25.00 | +11% |
Similar chat models from other providers
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.
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 2412 out of 2660 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.
Among Fireworks AI's 273 chat models, kimi-k3-fast ranks 273 by input cost.
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.
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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.