GPT-6 Luna vs Kimi K2.7 Code

    Short answer

    GPT-6 Luna is about 9x cheaper than Kimi K2.7 Code for a typical 3:1 input-to-output token mix ($0.20 vs $1.71 per 1M tokens).

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

    GPT-6 LunacheaperKimi K2.7 Code
    ProviderOpenAIMoonshot
    Input / 1M tokens$0.10$0.95
    Output / 1M tokens$0.50$4
    Blended (3:1) / 1M$0.20$1.71
    Context window1.05M256K
    ARC-AGI-259.3% (Max)—
    SWE-bench Verified—78.2%

    API cost calculator

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

    GPT-6 Lunacheapest$2 / month$24 / year
    Kimi K2.7 Code$17.50 / month$210 / year

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

    Frequently asked questions

    Which is cheaper, GPT-6 Luna or Kimi K2.7 Code?

    GPT-6 Luna is about 9x cheaper than Kimi K2.7 Code for a typical 3:1 input-to-output token mix ($0.20 vs $1.71 per 1M tokens)..

    How much do GPT-6 Luna and Kimi K2.7 Code cost per month?

    For 10M input and 2M output tokens a month: GPT-6 Luna costs $2 and Kimi K2.7 Code costs $17.50.

    More: GPT-6 Luna pricing · Kimi K2.7 Code pricing · all API prices

    Benchmarks updated Oct 25, 2026.