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GoogleGemini 3.1 Flash-LiteVSZ.ai (Zhipu AI)GLM-5.2

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

Our Take

We recommend GLM-5.2 if you need peak intelligence for complex complex codebases, multi-file repositories, and architectural planning, or the 3.8x cheaper Gemini 3.1 Flash-Lite if your workflow is limited to scripting single-file apps or clearly defined functions. While GLM-5.2 holds a major reasoning advantage, Gemini 3.1 Flash-Lite is optimized for high-volume budget pipelines. Choose GLM-5.2 for architectural codebase planning, or Gemini 3.1 Flash-Lite to maximize your budget for basic scripts.
▶WHY?
Benchmark Calculations & Evidence:
  • Coding Evaluation: Gemini 3.1 Flash-Lite was evaluated on LiveCodeBench (scoring 72%), while GLM-5.2 was evaluated on SWE-bench Pro (scoring 62.1%).
  • Reasoning Accuracy: Both models were evaluated on the GPQA Diamond benchmark. GLM-5.2 scored 91.2%, while Gemini 3.1 Flash-Lite scored 82.2%.
  • Cost Efficiency: Gemini 3.1 Flash-Lite pricing ($0.25/M input, $1.5/M output) is 3.8x cheaper than GLM-5.2 ($1.4/M input, $4.4/M output).
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    Model Specs

    Gemini 3.1 Flash-Lite

    Website

    Benchmarks & Scores

    Coding (live-code-bench)
    72%

    scripting single-file apps or clearly defined functions

    Reasoning (gpqa-diamond)
    82.2%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)3.8x cheaper
    $0.56Input: $0.25 | Output: $1.50
    Context Window
    1.05M tokens
    Model Specs

    GLM-5.2

    Open SourceAPI Available
    Website🤗HF

    Benchmarks & Scores

    Coding (swe-bench-pro)
    62.1%

    complex codebases, multi-file repositories, and architectural planning

    Reasoning (gpqa-diamond)Winner (+9.0%)
    91.2%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    $2.15Input: $1.40 | Output: $4.40
    Context Window
    1.05M tokens
    Read our data collection methodology

    Frequently Asked Questions about Gemini 3.1 Flash-Lite vs GLM-5.2

    Gemini 3.1 Flash-Lite is cheaper than GLM-5.2. Gemini 3.1 Flash-Lite has a blended cost of $0.56/1M tokens, which is about 3.8x cheaper than GLM-5.2 at $2.15/1M tokens.

    For coding tasks, Gemini 3.1 Flash-Lite scores 72% on live-code-bench (scripting single-file apps or clearly defined functions), while GLM-5.2 scores 62.1% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning).

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