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GoogleGemini 2.5 FlashVSMoonshot AI (Kimi)Kimi K2.7 Code

Analysis by:the whichllmmodel Editorial Team|Updated: June 2026

Our Take

We recommend Kimi K2.7 Code for complex complex codebases, multi-file repositories, and architectural planning, or the 2.0x cheaper Gemini 2.5 Flash if your budget requires optimizing costs for very high-volume pipelines. While Kimi K2.7 Code offers a clear reasoning advantage, it carries a moderate price premium. Choose Kimi K2.7 Code for architectural codebase planning, or Gemini 2.5 Flash to save on API costs for simple scripts.
▶WHY?
Benchmark Calculations & Evidence:
  • Coding Evaluation: Gemini 2.5 Flash was evaluated on SWE-bench Verified (scoring 60.4%), while Kimi K2.7 Code was evaluated on SWE-bench Pro (scoring 58.6%).
  • Reasoning Accuracy: Both models were evaluated on the GPQA Diamond benchmark. Kimi K2.7 Code scored 90%, while Gemini 2.5 Flash scored 68.3%.
  • Cost Efficiency: Gemini 2.5 Flash pricing ($0.3/M input, $2.5/M output) is 2.0x cheaper than Kimi K2.7 Code ($0.95/M input, $4/M output).
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    Model Specs

    Gemini 2.5 Flash

    Website

    Benchmarks & Scores

    Coding (swe-bench-verified)
    60.4%

    multi-file code and clearly defined tasks

    Reasoning (gpqa-diamond)
    68.3%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)2.0x cheaper
    $0.85Input: $0.30 | Output: $2.50
    Context WindowLarger
    1.05M tokens
    Model Specs

    Kimi K2.7 Code

    Open SourceAPI Available
    Website🤗HF

    Benchmarks & Scores

    Coding (swe-bench-pro)
    58.6%

    complex codebases, multi-file repositories, and architectural planning

    Reasoning (gpqa-diamond)Winner (+21.7%)
    90%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    $1.71Input: $0.95 | Output: $4.00
    Context Window
    262.14k tokens
    Read our data collection methodology

    Frequently Asked Questions about Gemini 2.5 Flash vs Kimi K2.7 Code

    Gemini 2.5 Flash is cheaper than Kimi K2.7 Code. Gemini 2.5 Flash has a blended cost of $0.85/1M tokens, which is about 2.0x cheaper than Kimi K2.7 Code at $1.71/1M tokens.

    For coding tasks, Gemini 2.5 Flash scores 60.4% on swe-bench-verified (multi-file code and clearly defined tasks), while Kimi K2.7 Code scores 58.6% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning).

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