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Model comparison

Qwen3.5-Plus vs GLM-5

Short answer

GLM-5 scores higher on 2 of the 3 benchmarks both models report (the other leads on 1); Qwen3.5-Plus is cheaper on input tokens ($0.4 vs $1 per 1M, 2.5×); Qwen3.5-Plus has the larger context window (1M vs 200K); GLM-5 ships open weights while Qwen3.5-Plus is API-only.

Specs and pricing side by side

SpecQwen3.5-PlusGLM-5
MakerAlibaba (Qwen)Z.ai (Zhipu / GLM)
Released2026-02-162026-02-11
Context window1M200K
Max output65,536 tokens128K
Input price$0.40$1.00 / 1M tokens
Output price$2.40$3.20 / 1M tokens
ParametersUndisclosed (serves the Qwen3.5 397B-A17B family — 397B total / 17B active)744B total / 40B active (MoE)
LicenseProprietaryMIT
WeightsAPI onlyOpen weights
ModalitiesText, Vision, VideoText

Not published by either maker: knowledge cutoff.

Benchmarks both models report

BenchmarkQwen3.5-PlusGLM-5
AIME 202691.3%92.7%
GPQA Diamond88.4%86%
SWE-bench Verified76.4%77.8%

Scores are as published by each maker or its cited source; harness, reasoning effort and date can differ between rows, so treat small gaps as ties. Sources are listed on each model page.

Which one should you pick?

Pick Qwen3.5-Plus if…

  • You care about GPQA Diamond (it scores higher on 1 shared benchmark).
  • Cost matters: input tokens cost 2.5× less ($0.4 vs $1 per 1M).
  • You need the longer context (1M vs 200K).
  • You need Vision / Video input, which GLM-5 lacks.
  • Your use case is: high-volume document and PDF understanding across very long contexts.

Pick GLM-5 if…

  • You care about AIME 2026, SWE-bench Verified (it scores higher on 2 shared benchmarks).
  • You want to self-host or fine-tune (open weights, MIT).
  • Your use case is: autonomous coding agents that plan, edit across many files, run tests and iterate on fixes.

FAQ

Which is better, Qwen3.5-Plus or GLM-5?

GLM-5 scores higher on 2 of the 3 benchmarks both models report (the other leads on 1); Qwen3.5-Plus is cheaper on input tokens ($0.4 vs $1 per 1M, 2.5×); Qwen3.5-Plus has the larger context window (1M vs 200K); GLM-5 ships open weights while Qwen3.5-Plus is API-only. The better pick depends on whether you value benchmark scores, price per token, context length or openness for your workload.

How much cheaper is Qwen3.5-Plus?

Qwen3.5-Plus: $0.40 input, $2.40 output. GLM-5: $1.00 / 1M tokens input, $3.20 / 1M tokens output (list API prices as published by each maker).

What are the context windows of Qwen3.5-Plus and GLM-5?

Qwen3.5-Plus offers 1M with up to 65,536 tokens output; GLM-5 offers 200K with up to 128K output.

Is Qwen3.5-Plus newer than GLM-5?

Qwen3.5-Plus was released 2026-02-16; GLM-5 was released 2026-02-11.

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