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Alibaba Cloud (Qwen)Qwen3.6-PlusVSGoogleGemini 3.5 Flash

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

Our Take

We recommend Qwen3.6-Plus for a 3.0x API cost saving at identical performance levels. While both models deliver similar intelligence, Qwen3.6-Plus is the optimal choice for high-volume pipelines. Choose Qwen3.6-Plus for budget efficiency without sacrificing quality.
▶WHY?
Benchmark Calculations & Evidence:
  • Performance Match: Both models perform almost identically, with an average score gap of just 1.6% across reasoning and coding benchmarks.
  • Coding Benchmarks: Both models were evaluated on the SWE-bench Pro benchmark. Qwen3.6-Plus scored 56.6%, while Gemini 3.5 Flash scored 55.1%.
  • Reasoning Benchmarks: Both models were evaluated on the GPQA Diamond benchmark. Qwen3.6-Plus scored 90.4%, while Gemini 3.5 Flash scored 92.2%.
  • Cost Efficiency: Qwen3.6-Plus pricing ($0.5/M input, $3/M output) is 3.0x cheaper than Gemini 3.5 Flash ($1.5/M input, $9/M output).
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    Model Specs

    Qwen3.6-Plus

    Website

    Benchmarks & Scores

    Coding (swe-bench-pro)Winner (+1.5%)
    56.6%

    complex codebases, multi-file repositories, and architectural planning

    Reasoning (gpqa-diamond)
    90.4%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)3.0x cheaper
    $1.13Input: $0.50 | Output: $3.00
    Context Window
    1.05M tokens
    Model Specs

    Gemini 3.5 Flash

    Website

    Benchmarks & Scores

    Coding (swe-bench-pro)
    55.1%

    complex codebases, multi-file repositories, and architectural planning

    Reasoning (gpqa-diamond)Winner (+1.8%)
    92.2%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    $3.38Input: $1.50 | Output: $9.00
    Context Window
    1.05M tokens
    Read our data collection methodology

    Frequently Asked Questions about Qwen3.6-Plus vs Gemini 3.5 Flash

    Qwen3.6-Plus is cheaper than Gemini 3.5 Flash. Qwen3.6-Plus has a blended cost of $1.13/1M tokens, which is about 3.0x cheaper than Gemini 3.5 Flash at $3.38/1M tokens.

    Qwen3.6-Plus is better for coding tasks on this benchmark. It scores 56.6% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning) compared to Gemini 3.5 Flash which scores 55.1%.

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