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GoogleGemini 3.1 Flash-LiteVSMetaLlama-3.1 405B

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

Our Take

We recommend Gemini 3.1 Flash-Lite if you need peak intelligence and a much larger context window for full-repo analysis, or the free Llama-3.1 405B if you want zero API costs and total offline privacy. While Gemini 3.1 Flash-Lite offers superior reasoning capability, Llama-3.1 405B runs entirely on your own local hardware. Choose Gemini 3.1 Flash-Lite for repository-scale analysis, or Llama-3.1 405B for zero-cost offline privacy and basic standalone code completion and simple functions.
WHY?
Benchmark Calculations & Evidence:
  • Reasoning Accuracy: Both models were evaluated on the GPQA Diamond benchmark. Gemini 3.1 Flash-Lite scored 82.2%, while Llama-3.1 405B scored 50.7% (+31.5% gap).
  • Coding Performance: Evaluated on different benchmarks. Llama-3.1 405B scored 89% on HumanEval (basic standalone code completion and simple functions), while Gemini 3.1 Flash-Lite scored 72% on LiveCodeBench (scripting single-file apps or clearly defined functions).
  • Context Window: Gemini 3.1 Flash-Lite supports a 1M context window, while Llama-3.1 405B supports 131k.
  • Hosting Model: Llama-3.1 405B runs locally for $0 API costs, while Gemini 3.1 Flash-Lite is a cloud API.
  • Was this recommendation helpful?
    Model Specs

    Gemini 3.1 Flash-Lite

    Benchmarks & Scores

    Coding (live-code-bench)
    72%

    scripting single-file apps or clearly defined functions

    Reasoning (gpqa-diamond)Winner (+31.5%)
    82.2%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    $0.56Input: $0.25 | Output: $1.50
    Context WindowLarger
    1.05M tokens
    Model Specs

    Llama-3.1 405B

    Open Source

    Benchmarks & Scores

    Coding (human-eval)
    89%

    basic standalone code completion and simple functions

    Reasoning (gpqa-diamond)
    50.7%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    Self HostLocal execution (zero API fees)
    Context Window
    131.07k tokens

    Frequently Asked Questions about Gemini 3.1 Flash-Lite vs Llama-3.1 405B

    For coding tasks, Gemini 3.1 Flash-Lite scores 72% on live-code-bench (scripting single-file apps or clearly defined functions), while Llama-3.1 405B scores 89% on human-eval (basic standalone code completion and simple functions).

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