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Alibaba Cloud (Qwen)Qwen3.6-PlusVSAnthropicClaude Haiku 4.5

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

Our Take

We recommend Qwen3.6-Plus for superior overall value and reasoning capabilities, as it is cheaper or equal in cost while delivering peak intelligence. While Qwen3.6-Plus excels at complex complex codebases, multi-file repositories, and architectural planning, Claude Haiku 4.5 is suited for scripting multi-file code and clearly defined tasks. Choose Qwen3.6-Plus for architectural codebase planning, or Claude Haiku 4.5 if you specifically require its simpler functions profile.
▶WHY?
Benchmark Calculations & Evidence:
  • Coding Evaluation: Qwen3.6-Plus was evaluated on SWE-bench Pro (scoring 56.6%), while Claude Haiku 4.5 was evaluated on SWE-bench Verified (scoring 73.3%).
  • Reasoning Accuracy: Both models were evaluated on the GPQA Diamond benchmark. Qwen3.6-Plus scored 90.4%, while Claude Haiku 4.5 scored 73%.
  • Cost Efficiency: Claude Haiku 4.5 pricing ($1/M input, $5/M output) is 0.6x cheaper than Qwen3.6-Plus ($0.5/M input, $3/M output).
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    Model Specs

    Qwen3.6-Plus

    Website

    Benchmarks & Scores

    Coding (swe-bench-pro)
    56.6%

    complex codebases, multi-file repositories, and architectural planning

    Reasoning (gpqa-diamond)Winner (+17.4%)
    90.4%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)1.8x cheaper
    $1.13Input: $0.50 | Output: $3.00
    Context WindowLarger
    1.05M tokens
    Model Specs

    Claude Haiku 4.5

    Website

    Benchmarks & Scores

    Coding (swe-bench-verified)
    73.3%

    multi-file code and clearly defined tasks

    Reasoning (gpqa-diamond)
    73%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    $2.00Input: $1.00 | Output: $5.00
    Context Window
    200k tokens
    Read our data collection methodology

    Frequently Asked Questions about Qwen3.6-Plus vs Claude Haiku 4.5

    Qwen3.6-Plus is cheaper than Claude Haiku 4.5. Qwen3.6-Plus has a blended cost of $1.13/1M tokens, which is about 1.8x cheaper than Claude Haiku 4.5 at $2.00/1M tokens.

    For coding tasks, Qwen3.6-Plus scores 56.6% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning), while Claude Haiku 4.5 scores 73.3% on swe-bench-verified (multi-file code and clearly defined tasks).

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