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Alibaba Cloud (Qwen)

Qwen3.6-Plus

VS
Z.ai (Zhipu AI)

GLM-5.1

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

Decision Recommendation

⚖️ Editorial Verdict: In our analysis, Qwen3.6-Plus is the premium intelligence choice, scoring 1.8% higher on coding benchmarks. It also maintains strong cost efficiency. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, GLM-5.1 offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of Qwen3.6-Plus fully justifies the cost.

Model Specs

Qwen3.6-Plus

Benchmarks & Scores

Coding (swe-bench-pro)
56.6%
Reasoning (gpqa-diamond)Winner (+4.2%)
90.4%

Cost & Performance

Cost (per 1M tokens)1.3x cheaper
$1.13Input: $0.50 | Output: $3.00
Speed
52 tps
Context WindowLarger
1M tokens
Model Specs

GLM-5.1

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+1.8%)
58.4%
Reasoning (gpqa-diamond)
86.2%

Cost & Performance

Cost (per 1M tokens)
$1.50Input: $0.98 | Output: $3.08
Speed
N/A
Context Window
204.8k tokens

Frequently Asked Questions

Qwen3.6-Plus is cheaper than GLM-5.1. Qwen3.6-Plus has a blended cost of $1.13/1M tokens, which is about 1.3x cheaper than GLM-5.1 at $1.50/1M tokens.

Speed data is not available for GLM-5.1, while Qwen3.6-Plus generates 52 tokens per second.

GLM-5.1 is better for coding tasks. It scores 58.4% on coding evaluations (swe-bench-pro) compared to Qwen3.6-Plus which scores 56.6%.

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