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    Kimi K3 API pricing

    Moonshot model

    Short answer

    Kimi K3 by Moonshot costs $3 per 1M input tokens and $15 per 1M output tokens, with a 1M token context window. It scores 93.4% on SWE-bench Verified and 60.4% on ARC-AGI-2. GPT-6 Luna scores about as well on ARC-AGI-2 (59.3%) for $0.20 per 1M blended tokens versus $6.

    Prices updated Oct 23, 2026 (APIpulse, CC BY 4.0) · Benchmarks: ARC Prize, Vals.ai · all models

    Input$3 / 1M
    Output$15 / 1M
    Context1M
    Blended (3:1)$6 / 1M

    API cost calculator

    Enter your monthly usage in millions of tokens (1M tokens ≈ 750,000 words).

    Kimi K3$60 / month$720 / year

    Standard rates; batch processing and prompt caching can lower the bill.

    Benchmarks

    ARC-AGI-2 (reasoning)60.4% (Max)
    SWE-bench Verified (coding)93.4%

    Cheaper models with similar scores

    Within 3 points on the same benchmark, at a lower blended price.

    Compare Kimi K3

    Kimi K3 vs GPT-6 AstraKimi K3 vs Claude Opus 5.5Kimi K3 vs Gemini 4 ArgonKimi K3 vs DeepSeek V4 ProKimi K3 vs Grok 4.6Kimi K3 vs Mistral Large 4

    Other Moonshot models

    ModelInput / 1MOutput / 1M
    Kimi K2.7 Code$0.95$4
    Kimi K2.6$0.95$4

    Frequently asked questions

    How much does the Kimi K3 API cost?

    Kimi K3 costs $3 per 1M input tokens and $15 per 1M output tokens. A workload of 10M input and 2M output tokens a month costs $60.

    What is the context window of Kimi K3?

    Kimi K3 supports a 1M token context window.

    Is there a cheaper alternative to Kimi K3?

    GPT-6 Luna scores 59.3% on ARC-AGI-2, close to Kimi K3, at $0.20 per 1M blended tokens versus $6.