Model comparison

GLM-5.3 vs Qwen3 8B

GLM-5.3 is the stronger model overall, scoring 54.8 to 33.7 on the Noometry Index. Qwen3 8B costs 6.9× less per token, which makes it the better buy when GLM-5.3's lead doesn't matter for your workload.

Last verified . 8 shared benchmarks.

GLM-5.3 Z.ai (Zhipu)

54.8

Rank #26 Confirmed

Qwen3 8B Alibaba (Qwen)

33.7

Rank #238 Confirmed

Summary

  • They share 8 benchmarks with published results for both. GLM-5.3 scores higher in 6 categories and Qwen3 8B in 0 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GLM-5.3 leads 46.1 to 16.6.
  • The biggest single-benchmark swing is LMCA: 55.5% for GLM-5.3 and 8.8% for Qwen3 8B.
  • Qwen3 8B is cheaper at $0.18 / $0.70 per million input/output tokens, against $1.40 / $4.40 for GLM-5.3.
  • GLM-5.3 accepts more context: 1M tokens versus 131K.

Side by side

GLM-5.3 and Qwen3 8B specifications
GLM-5.3Qwen3 8B
ProviderZ.ai (Zhipu)Alibaba (Qwen)
Noometry Index54.833.7
Released2026-08-142025-04
WeightsOpenOpen
Context window1M131K
Max output131K8K
Input $ / M tokens$1.40$0.18
Output $ / M tokens$4.40$0.70
Results tracked4211

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Category by category

Coding GLM-5.3 leads

GLM-5.3: 59.5 (#14), Qwen3 8B: 34.0 (#248)

Coding benchmarks
BenchmarkGLM-5.3Qwen3 8B
SciCode59%22.6%
DeepSWE69%—
FrontierCode40.1%—
CursorBench42.6%—
LMArena WebDev1622—
FrontierSWE30.2%—
WeirdML75.4%—
LMArena Coding1496—
ALE-Bench1,317—

Agentic & Tool Use GLM-5.3 leads

GLM-5.3: 36.4 (#38), Qwen3 8B: 30.2 (#78)

Agentic & Tool Use benchmarks
BenchmarkGLM-5.3Qwen3 8B
APEX-Agents56.6%—
Berkeley Function Calling Leaderboard—42.6%
Vending-Bench 28,164—

Reasoning GLM-5.3 leads

GLM-5.3: 46.1 (#46), Qwen3 8B: 16.6 (#303)

Reasoning benchmarks
BenchmarkGLM-5.3Qwen3 8B
CritPt19.1%0%
Chess Puzzles21%5%
DTBench87.7%59.7%
LMCA55.5%8.8%
Epoch Capabilities Index155.61136.17
NYT Connections (extended)74.2%—
LMArena Hard Prompts1489—
Mystery Game Puzzles33%—
Bench to the Future 30.15—

Math GLM-5.3 leads

GLM-5.3: 62.3 (#33), Qwen3 8B: 34.9 (#191)

Math benchmarks
BenchmarkGLM-5.3Qwen3 8B
OTIS Mock AIME 2024-202591.1%56.1%
FrontierMath (Tiers 1-3)68.8%—
FrontierMath Tier 429.3%—
ProofBench49%—
LMArena Math1489—

Knowledge GLM-5.3 leads

GLM-5.3: 58.3 (#37), Qwen3 8B: 36.1 (#173)

Knowledge benchmarks
BenchmarkGLM-5.3Qwen3 8B
GPQA Diamond90.9%56.8%
SimpleQA Verified41%—
Vectara Hallucination Rate—4.8%
LMArena Expert1516—

Multilingual Not comparable

GLM-5.3: 55.7 (#28), Qwen3 8B: —

Multilingual benchmarks
BenchmarkGLM-5.3Qwen3 8B
LMArena Non-English1457—
LMArena Chinese1528—
LMArena French1499—
LMArena German1499—
LMArena Japanese1453—
LMArena Korean1472—
LMArena Russian1463—
LMArena Spanish1460—

Instruction Following Not comparable

GLM-5.3: 77.5 (#23), Qwen3 8B: —

Instruction Following benchmarks
BenchmarkGLM-5.3Qwen3 8B
LMArena Instruction Following1477—

Long Context GLM-5.3 leads

GLM-5.3: 45.4 (#41), Qwen3 8B: 37.9 (#210)

Long Context benchmarks
BenchmarkGLM-5.3Qwen3 8B
Fiction.LiveBench—62.1%
LMArena Longer Query1482—

Writing & Preference Not comparable

GLM-5.3: 75.7 (#6), Qwen3 8B: —

Writing & Preference benchmarks
BenchmarkGLM-5.3Qwen3 8B
LMArena Text1471—
LMArena Creative Writing1457—
EQ-Bench Creative Writing2075—
LMArena Multi-Turn1472—

Frequently asked questions

Is GLM-5.3 better than Qwen3 8B?

GLM-5.3 is the stronger model overall, scoring 54.8 to 33.7 on the Noometry Index. Qwen3 8B costs 6.9× less per token, which makes it the better buy when GLM-5.3's lead doesn't matter for your workload.

Which is cheaper, GLM-5.3 or Qwen3 8B?

Qwen3 8B is cheaper. It lists at $0.18 per million input tokens and $0.70 per million output tokens; GLM-5.3 lists at $1.40 and $4.40.

Is GLM-5.3 or Qwen3 8B better for coding?

GLM-5.3 scores higher on coding benchmarks: 59.5 versus 34.0 in the Noometry coding category.

Which has the bigger context window?

GLM-5.3 does, with 1M tokens against 131K.

How many benchmarks do GLM-5.3 and Qwen3 8B share?

8 benchmarks have published results for both models. GLM-5.3 has 42 scored results on Noometry and Qwen3 8B has 11.

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