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Estimate

Kimi K3 uses custom pricing as of August 2026. Contact Kimi K3 directly for a personalized quote. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: No free tier available

Kimi K3 offers 1 pricing tiers: Kimi K3 API (Pay-as-you-go). The Kimi K3 API (Pay-as-you-go) plan is long-horizon coding, knowledge work, and advanced reasoning tasks needing a 1m-token context window.

Last verified: | Sources: 2 pricing pages and reviews
Know Before You Buy — See Kimi K3 Plans

Kimi K3 lists $0.3-$15/per million tokens, but hidden costs like implementation and support add to the total as of August 2026. Key hidden costs: higher output token volume, conversation history reprocessing, system prompt overhead. Verified from 2 sources by CostBench.

Hidden Costs Breakdown

1

Higher Output Token Volume

high overage

Kimi K3 tends to generate a higher volume of output tokens compared to comparable reasoning models, leading to higher total costs.

industry

For instance, in a full Intelligence Index evaluation, K3 generated approximately 130 million output tokens, roughly double the median output volume of 63 million tokens from other models

2

Conversation History Reprocessing

medium overage

In stateless APIs, the full conversation history is sent with each message, linearly increasing input tokens with session depth.

industry

Other potential hidden costs common to LLM APIs that buyers should consider include: * Conversation history re-processing: In stateless APIs, the full conversation history is sent with each message, linearly increasing input tokens with session depth

3

System Prompt Overhead

medium overage

A lengthy system prompt resent with every request can accumulate significant costs due to increased input tokens.

industry

System prompt overhead: A lengthy system prompt resent with every request can accumulate significant costs

4

Uncapped Output Generation

high overage

Models can produce variable-length responses, potentially exceeding projected output tokens if max_tokens limits are not explicitly set.

industry

Uncapped output generation: Models can produce variable-length responses, potentially exceeding projected output tokens if max_tokens limits are not explicitly set

Frequently Asked Questions

01 What hidden costs should I budget for with Kimi K3?

Beyond the license fee, budget for: Higher Output Token Volume ($15 per million output tokens). Exact totals depend on your deployment size and negotiated terms.

02 Does Kimi K3 charge for implementation?

Implementation costs for Kimi K3 vary by deployment size and customization. Contact the vendor or check our sourced hidden-cost breakdown above for verified figures.

03 How much does Kimi K3 support cost?

Premium support pricing for Kimi K3 depends on your tier and contract terms. See the sourced cost breakdown above for any verified figures we have.

04 Are there overage or storage costs with Kimi K3?

Kimi K3 tends to generate a higher volume of output tokens compared to comparable reasoning models, leading to higher total costs.. Estimated impact: $15 per million output tokens.

05 What add-ons cost extra with Kimi K3?

Add-on pricing for Kimi K3 varies by feature. The sourced cost breakdown above lists any verified add-on costs we have.

Now You Know the Real Cost — See Kimi K3 Plans

Check current Kimi K3 pricing

Prices and terms change; verify against the live pricing page.

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