Noometry

Model comparison

GLM-5.1 vs Hy3

GLM-5.1 is the stronger model overall, scoring 47.8 to 44.2 on the Noometry Index. Hy3 costs 9.3× less per token, which makes it the better buy when GLM-5.1's lead doesn't matter for your workload.

Last verified . 19 shared benchmarks.

GLM-5.1 Z.ai (Zhipu)

47.8

Rank #59 Confirmed

Hy3 Tencent

44.2

Rank #79 Confirmed

Summary

  • They share 19 benchmarks with published results for both. GLM-5.1 scores higher in 8 categories and Hy3 in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GLM-5.1 leads 54.9 to 40.8.
  • The biggest single-benchmark swing is NYT Connections (extended): 77.7% for GLM-5.1 and 41.2% for Hy3.
  • Hy3 is cheaper at $0.13 / $0.53 per million input/output tokens, against $1.40 / $4.40 for GLM-5.1.
  • Hy3 accepts more context: 262K tokens versus 200K.

Side by side

GLM-5.1Hy3
ProviderZ.ai (Zhipu)Tencent
Noometry Index47.844.2
Released2026-04-072026-07-06
WeightsOpenOpen
Context window200K262K
Max output131K128K
Input $ / M tokens$1.40$0.13
Output $ / M tokens$4.40$0.53
Results tracked4119

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Category by category

Coding GLM-5.1 leads

GLM-5.1: 48.7 (#55), Hy3: 46.8 (#63)

BenchmarkGLM-5.1Hy3
LMArena WebDev15081508
LMArena Coding14851464
SWE-bench Verified74.2%—
SciCode43.8%—
WeirdML57.1%—
ALE-Bench887.1—

Agentic & Tool Use Not comparable

GLM-5.1: 24.9 (#113), Hy3: —

BenchmarkGLM-5.1Hy3
APEX-Agents40.9%—
ExploitBench18.1%—
GBAEval0%—
Vending-Bench 25,634—

Reasoning GLM-5.1 leads

GLM-5.1: 39.1 (#60), Hy3: 26.1 (#136)

BenchmarkGLM-5.1Hy3
NYT Connections (extended)77.7%41.2%
LMArena Hard Prompts14721447
SimpleBench55.1%—
CritPt4.6%—
Chess Puzzles19%—
Thematic Generalization69.8%—
Epoch Capabilities Index149.84—

Math GLM-5.1 leads

GLM-5.1: 49.7 (#60), Hy3: 40.1 (#93)

BenchmarkGLM-5.1Hy3
LMArena Math14731475
FrontierMath (Tiers 1-3)36.8%—
MathArena Final-Answer Competitions67.1%—
OTIS Mock AIME 2024-202593.3%—
ProofBench22.2%—
FrontierMath (Feb 2025 set)33.4%—
FrontierMath Tier 4 (v1)12.5%—

Knowledge GLM-5.1 leads

GLM-5.1: 54.9 (#50), Hy3: 40.8 (#114)

BenchmarkGLM-5.1Hy3
LMArena Expert14761460
GPQA Diamond89.9%—
SimpleQA Verified34%—

Multilingual GLM-5.1 leads

GLM-5.1: 55.0 (#36), Hy3: 53.5 (#65)

BenchmarkGLM-5.1Hy3
LMArena Non-English14471426
LMArena Chinese15151493
LMArena French14741461
LMArena German14651439
LMArena Japanese14341392
LMArena Korean14181395
LMArena Russian14541432
LMArena Spanish14691456

Instruction Following GLM-5.1 leads

GLM-5.1: 76.3 (#42), Hy3: 75.1 (#70)

BenchmarkGLM-5.1Hy3
LMArena Instruction Following14511426

Long Context Too close to call

GLM-5.1: 44.9 (#53), Hy3: 44.1 (#75)

BenchmarkGLM-5.1Hy3
LMArena Longer Query14661442

Writing & Preference GLM-5.1 leads

GLM-5.1: 66.9 (#31), Hy3: 62.2 (#81)

BenchmarkGLM-5.1Hy3
LMArena Text14611439
LMArena Creative Writing14531402
LMArena Multi-Turn14721436
EQ-Bench Creative Writing1592—

Frequently asked questions

Is GLM-5.1 better than Hy3?

GLM-5.1 is the stronger model overall, scoring 47.8 to 44.2 on the Noometry Index. Hy3 costs 9.3× less per token, which makes it the better buy when GLM-5.1's lead doesn't matter for your workload.

Which is cheaper, GLM-5.1 or Hy3?

Hy3 is cheaper. It lists at $0.13 per million input tokens and $0.53 per million output tokens; GLM-5.1 lists at $1.40 and $4.40.

Is GLM-5.1 or Hy3 better for coding?

GLM-5.1 scores higher on coding benchmarks: 48.7 versus 46.8 in the Noometry coding category.

Which has the bigger context window?

Hy3 does, with 262K tokens against 200K.

How many benchmarks do GLM-5.1 and Hy3 share?

19 benchmarks have published results for both models. GLM-5.1 has 41 scored results on Noometry and Hy3 has 19.

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