GLM-5.1 vs Qwen3.5-27B

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

Benchmark data for one or both models is coming soon. This page currently shows metadata and pricing where BenchLM has it, and score-level comparisons will populate as public benchmark results land.
Agentic
Coding
Multimodal & Grounded
Reasoning
Knowledge
Instruction Following
Multilingual
Mathematics

GLM-5.1· Qwen3.5-27B

Quick Verdict

Benchmark data for GLM-5.1 and Qwen3.5-27B is coming soon on BenchLM.

BenchLM does not have sourced benchmark coverage for GLM-5.1 yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.

Qwen3.5-27B has the larger context window at 262K, compared with 200K for GLM-5.1.

Operational tradeoffs

PriceN/AFree*
SpeedN/AN/A
TTFTN/AN/A
Context200K262K

Decision framing

BenchLM keeps the benchmark table and the operator tradeoffs on the same page so a better score does not hide a materially slower, pricier, or smaller-context model.

Runtime metrics show N/A when BenchLM does not have a sourced snapshot for that exact model. The scoring rules and freshness policy are documented on the methodology page.

BenchmarkGLM-5.1Qwen3.5-27B
Agentic
Terminal-Bench 2.041.6%
BrowseComp61%
OSWorld-Verified56.2%
tau2-bench79%
Coding
SWE-bench Verified72.4%
LiveCodeBench80.7%
Multimodal & Grounded
MMMU-Pro75%
Reasoning
LongBench v260.6%
Knowledge
MMLU-Pro86.1%
SuperGPQA65.6%
GPQA85.5%
Instruction Following
IFEval95%
Multilingual
MMLU-ProX82.2%
Mathematics
Coming soon
Frequently Asked Questions (3)

Can I compare GLM-5.1 and Qwen3.5-27B on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for GLM-5.1 and Qwen3.5-27B today?

Qwen3.5-27B: $0.00 input / $0.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Last updated: March 31, 2026

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