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GPT-5.5 vs Qwen3.6 Plus

Head to head on 25 shared benchmarks, with price, context window, and release dates.

Benchmark scores

60

evals · sort by any column, ⤢ to expand fullscreen

Model
GPT-5.5

OpenAI

68.4%86.0%51.8%51.7%76.8%13.7%46.1%84.7%82.5%81.1%73.0%87.7%96.3%87.7%49.1%86.9%68.8%51.5%47.3%75.0%49.2%57.4%68.1%69.8%69.3%-86.2%54.2%12.9%36.2%90.0%100.0%1315elo1844elo78.234.0%5.7%44.8%24.9%1769elo15.1%51.8%--2.1%92.8%--88.6%-78.7%45.3%100.0%50.0%4.2-58.6%75.7%83.4%-61.9%
Qwen3.6 Plus

Alibaba

61.9%23.0%40.8%26.2%88.2%27.8%75.2%73.5%78.2%69.9%58.3%75.0%83.7%75.8%36.9%77.0%68.0%44.9%40.7%74.7%43.9%32.0%51.5%25.6%97.7%95.3----------------96.783.2%--88.594.5-89.5-----73.8---59.559.0%
2 / 2 models
AttributeGPT-5.5

OpenAI

Qwen3.6 Plus

Alibaba

DescriptionGPT-5.5 is an AI model from OpenAI.Qwen3.6Plus is an AI model from Alibaba.
FamilyGPTQwen3.6
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released23 Apr 20262 Apr 2026
Context1,050,0001,000,000
Input $/1M$5.00$0.50
Output $/1M$30.00$3.00
Cache read $/1M$0.500-
Cache write $/1M-$0.406
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiesfile, image, texttext, image, video
Providers--
PublisherOpenAIAlibaba
Reported scores

FAQ

Is GPT-5.5 or Qwen3.6 Plus better?
Across the 25 benchmarks both models report on Sophon, GPT-5.5 leads on 21 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-5.5 and Qwen3.6 Plus compare on GPQA Diamond?
GPT-5.5 scores 76.8% and Qwen3.6 Plus scores 88.2% on GPQA Diamond.
Which is cheaper, GPT-5.5 or Qwen3.6 Plus?
Qwen3.6 Plus is cheaper at $3.00 per million output tokens against $30.00 for GPT-5.5 - about 10.0x.
When were GPT-5.5 and Qwen3.6 Plus released?
GPT-5.5 was released 23 Apr 2026 by OpenAI. Qwen3.6 Plus was released 2 Apr 2026 by Alibaba.

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