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GPT-5.1 vs Qwen: Qwen3.6 Plus Preview (free)

Compare GPT-5.1 by OpenAI against Qwen: Qwen3.6 Plus Preview (free) by Qwen, context windows of 400K vs 1.0M, tested across 51 shared challenges. Updated March 2026.

Which is better, GPT-5.1 or Qwen: Qwen3.6 Plus Preview (free)?

GPT-5.1 and Qwen: Qwen3.6 Plus Preview (free) are both competitive models. GPT-5.1 costs $1.25/M input tokens vs $0/M for Qwen: Qwen3.6 Plus Preview (free). Context windows: 400K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-5.1 and Qwen: Qwen3.6 Plus Preview (free)

GPT-5.1 is made by openai while Qwen: Qwen3.6 Plus Preview (free) is from qwen. GPT-5.1 has a 400K token context window compared to Qwen: Qwen3.6 Plus Preview (free)'s 1000K. On pricing, GPT-5.1 costs $1.25/M input tokens vs $0/M for Qwen: Qwen3.6 Plus Preview (free).

Our Verdict
GPT-5.1
GPT-5.1
Qwen: Qwen3.6 Plus Preview (free)
Qwen: Qwen3.6 Plus Preview (free)

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call
Writing DNA

Style Comparison

Similarity
94%

Qwen: Qwen3.6 Plus Preview (free) uses 118.2x more emoji

GPT-5.1
Qwen: Qwen3.6 Plus Preview (free)
62%Vocabulary63%
19wSentence Length14w
0.29Hedging0.21
3.5Bold3.7
7.2Lists2.3
0.00Emoji1.18
0.61Headings0.77
0.03Transitions0.05
Based on 14 + 27 text responses
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GPT-5.1Qwen: Qwen3.6 Plus Preview (free)
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