Model comparison

GLM-4.6 vs Qwen3.5 Plus

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 41.4 on the Noometry Index.

Last verified . 4 shared benchmarks.

GLM-4.6 Z.ai (Zhipu)

41.4

Rank #135 Confirmed

Qwen3.5 Plus Alibaba (Qwen)

42.9

Rank #106 Confirmed

Summary

  • They share 4 benchmarks with published results for both. GLM-4.6 scores higher in 1 category and Qwen3.5 Plus in 3 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in math, where Qwen3.5 Plus leads 49.6 to 39.1.
  • Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $0.60 / $2.20 for GLM-4.6.
  • Qwen3.5 Plus accepts more context: 1M tokens versus 205K.
  • GLM-4.6 has downloadable open weights; the other is API-only.

Side by side

GLM-4.6 and Qwen3.5 Plus specifications
GLM-4.6Qwen3.5 Plus
ProviderZ.ai (Zhipu)Alibaba (Qwen)
Noometry Index41.442.9
Released2025-09-302026-02-16
WeightsOpenProprietary
Context window205K1M
Max output131K66K
Input $ / M tokens$0.60$0.40
Output $ / M tokens$2.20$2.40
Results tracked2915

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Category by category

Coding Not comparable

GLM-4.6: 40.1 (#148), Qwen3.5 Plus: —

Coding benchmarks
BenchmarkGLM-4.6Qwen3.5 Plus
ALE-Bench340.82621.92
SWE-bench Verified (bash only)55.4%—
LMArena WebDev1340—
SciCode38.4%—
LMArena Coding1449—

Agentic & Tool Use Not comparable

GLM-4.6: 32.3 (#66), Qwen3.5 Plus: —

Agentic & Tool Use benchmarks
BenchmarkGLM-4.6Qwen3.5 Plus
Terminal-Bench24.5%—
Berkeley Function Calling Leaderboard72.4%—
Vending-Bench 2—0.54

Reasoning Qwen3.5 Plus leads

GLM-4.6: 23.7 (#172), Qwen3.5 Plus: 32.8 (#74)

Reasoning benchmarks
BenchmarkGLM-4.6Qwen3.5 Plus
Kagi LLM Benchmark47.4%—
CritPt1.1%—
Chess Puzzles—22%
LMArena Hard Prompts1440—
Mystery Game Puzzles—17%
DTBench—80.5%
LMCA—36.4%
Epoch Capabilities Index—146.78

Math Qwen3.5 Plus leads

GLM-4.6: 39.1 (#111), Qwen3.5 Plus: 49.6 (#61)

Math benchmarks
BenchmarkGLM-4.6Qwen3.5 Plus
FrontierMath (Feb 2025 set)3.8%21%
FrontierMath Tier 4 (v1)2.1%2.1%
OTIS Mock AIME 2024-2025—86.7%
LMArena Math1432—

Knowledge Qwen3.5 Plus leads

GLM-4.6: 40.2 (#124), Qwen3.5 Plus: 46.0 (#83)

Knowledge benchmarks
BenchmarkGLM-4.6Qwen3.5 Plus
Vectara Hallucination Rate9.5%10.7%
GPQA Diamond—84.8%
SimpleQA Verified—25.4%
LMArena Expert1431—

Multilingual Not comparable

GLM-4.6: 53.5 (#66), Qwen3.5 Plus: —

Multilingual benchmarks
BenchmarkGLM-4.6Qwen3.5 Plus
LMArena Non-English1426—
LMArena Chinese1499—
LMArena French1459—
LMArena German1447—
LMArena Japanese1393—
LMArena Korean1400—
LMArena Russian1419—
LMArena Spanish1436—

Instruction Following Not comparable

GLM-4.6: 74.3 (#98), Qwen3.5 Plus: —

Instruction Following benchmarks
BenchmarkGLM-4.6Qwen3.5 Plus
LMArena Instruction Following1410—

Long Context Too close to call

GLM-4.6: 43.4 (#94), Qwen3.5 Plus: 43.0 (#113)

Long Context benchmarks
BenchmarkGLM-4.6Qwen3.5 Plus
CL-bench—19.8%
CL-bench Life—12.4%
LMArena Longer Query1422—

Writing & Preference Not comparable

GLM-4.6: 61.1 (#90), Qwen3.5 Plus: —

Writing & Preference benchmarks
BenchmarkGLM-4.6Qwen3.5 Plus
LMArena Text1440—
LMArena Creative Writing1411—
EQ-Bench Creative Writing1411—
LMArena Multi-Turn1427—

Frequently asked questions

Is GLM-4.6 better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 41.4 on the Noometry Index.

Which is cheaper, GLM-4.6 or Qwen3.5 Plus?

Qwen3.5 Plus is cheaper. It lists at $0.40 per million input tokens and $2.40 per million output tokens; GLM-4.6 lists at $0.60 and $2.20.

Which has the bigger context window?

Qwen3.5 Plus does, with 1M tokens against 205K.

How many benchmarks do GLM-4.6 and Qwen3.5 Plus share?

4 benchmarks have published results for both models. GLM-4.6 has 29 scored results on Noometry and Qwen3.5 Plus has 15.

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