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Qwen3.5 Knowledge density and performance

Reddit r/LocalLLaMA / 3/19/2026

💬 OpinionIdeas & Deep AnalysisModels & Research

Key Points

  • The post notes several model releases in recent weeks but singles out Qwen3.5, especially the 27B variant, for its claimed knowledge density.
  • It suggests that scaling and the generalization of the RL environments may be key contributors to Qwen's superior performance relative to other models.
  • The author asks what the Qwen team (under former leadership) does to achieve such efficiency in size, knowledge, and performance.
  • Finally, the post questions whether this is the right subreddit for a technical inquiry and provides links to the related discussion thread.

Hello community, first time poster here

In the last few weeks multiple models have been released, including Minimax M2.7, Mimo-v2-pro, Nemotron 3 super, Mistral small 4, and others. But none of them even come close to the knowledge density that Qwen3.5 series has, specially the Qwen3.5 27B, at least when looking at Artifical Analysis, and yes I know benchmaxing is a thing, and benchmarks don't necessarily reflect reality, but I've seen multiple people praise the qwen series.

I feel like since the v3 series the Qwen models have been pushing way above their weight.

reading their technical report the only thing I can see that may have contributed to that is the scaling and generalisation of their RL environments.

So my question is, what things is the Qwen team (under former leadership) doing that makes their model so much better when it comes to size / knowledge / performance in comparison to others?

Edit: this is a technical question, is this the right sub?

submitted by /u/AccomplishedRow937
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