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GoogleGemini 2.5 FlashVSMetaLlama-3.1 70B

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

Our Take

We recommend Gemini 2.5 Flash if you need peak intelligence and a much larger context window for full-repo analysis, or the free Llama-3.1 70B if you want zero API costs and total offline privacy. While Gemini 2.5 Flash offers superior reasoning capability, Llama-3.1 70B runs entirely on your own local hardware. Choose Gemini 2.5 Flash for repository-scale analysis, or Llama-3.1 70B 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 2.5 Flash scored 68.3%, while Llama-3.1 70B scored 46.7% (+21.6% gap).
  • Coding Performance: Evaluated on different benchmarks. Llama-3.1 70B scored 80.5% on HumanEval (basic standalone code completion and simple functions), while Gemini 2.5 Flash scored 60.4% on SWE-bench Verified (multi-file code and clearly defined tasks).
  • Context Window: Gemini 2.5 Flash supports a 1M context window, while Llama-3.1 70B supports 131k.
  • Hosting Model: Llama-3.1 70B runs locally for $0 API costs, while Gemini 2.5 Flash is a cloud API.
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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)Winner (+21.6%)
    68.3%

    graduate-level science QA

    Cost & Context

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

    Llama-3.1 70B

    Open Source
    🤗HF

    Benchmarks & Scores

    Coding (human-eval)
    80.5%

    basic standalone code completion and simple functions

    Reasoning (gpqa-diamond)
    46.7%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    Self HostLocal execution (zero API fees)
    Context Window
    131.07k tokens
    Read our data collection methodology

    Frequently Asked Questions about Gemini 2.5 Flash vs Llama-3.1 70B

    For coding tasks, Gemini 2.5 Flash scores 60.4% on swe-bench-verified (multi-file code and clearly defined tasks), while Llama-3.1 70B scores 80.5% on human-eval (basic standalone code completion and simple functions).

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