Noometry

Model comparison

ERNIE 5.1 vs GLM-5.3-Flash

GLM-5.3-Flash is the stronger model overall, scoring 51.8 to 43.8 on the Noometry Index.

Last verified . 17 shared benchmarks.

ERNIE 5.1 Baidu

43.8

Rank #83 Confirmed

GLM-5.3-Flash Z.ai (Zhipu)

51.8

Rank #41 Confirmed

Summary

  • They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 0 categories and GLM-5.3-Flash in 8 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GLM-5.3-Flash leads 48.0 to 21.9.
  • GLM-5.3-Flash has downloadable open weights; the other is API-only.

Side by side

ERNIE 5.1GLM-5.3-Flash
ProviderBaiduZ.ai (Zhipu)
Noometry Index43.851.8
Released—2026-08-20
WeightsProprietaryOpen
Context window—1M
Max output—131K
Input $ / M tokens—$0.15
Output $ / M tokens—$0.50
Results tracked1940

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Category by category

Coding GLM-5.3-Flash leads

ERNIE 5.1: 44.0 (#76), GLM-5.3-Flash: 53.1 (#31)

BenchmarkERNIE 5.1GLM-5.3-Flash
LMArena Coding14881508
DeepSWE—63.4%
FrontierCode—31.8%
CursorBench—36.8%
LMArena WebDev—1609
FrontierSWE—18.1%
SciCode—51.6%
ALE-Bench—303.55

Agentic & Tool Use Not comparable

ERNIE 5.1: —, GLM-5.3-Flash: 34.2 (#47)

BenchmarkERNIE 5.1GLM-5.3-Flash
APEX-Agents—52.8%
GDP.pdf—14%
LMArena Search1227—

Reasoning GLM-5.3-Flash leads

ERNIE 5.1: 21.9 (#211), GLM-5.3-Flash: 48.0 (#42)

BenchmarkERNIE 5.1GLM-5.3-Flash
LMArena Hard Prompts14811491
ARC-AGI-2—65.8%
NYT Connections (extended)23.4%—
ARC-AGI-1—91%
CritPt—15.4%
Chess Puzzles—14%
Mystery Game Puzzles—8%
Surface Evolver Bench—52.5%
Bench to the Future 3—0.15
Epoch Capabilities Index—151.88

Math GLM-5.3-Flash leads

ERNIE 5.1: 40.3 (#92), GLM-5.3-Flash: 53.3 (#47)

BenchmarkERNIE 5.1GLM-5.3-Flash
LMArena Math14811500
FrontierMath (Tiers 1-3)—55.8%
FrontierMath Tier 4—17.1%
OTIS Mock AIME 2024-2025—93.9%
ProofBench—21%

Knowledge GLM-5.3-Flash leads

ERNIE 5.1: 41.9 (#102), GLM-5.3-Flash: 58.4 (#36)

BenchmarkERNIE 5.1GLM-5.3-Flash
LMArena Expert14921513
GPQA Diamond—90.2%

Multimodal Not comparable

ERNIE 5.1: —, GLM-5.3-Flash: 42.8 (#27)

BenchmarkERNIE 5.1GLM-5.3-Flash
LMArena Vision—1296

Multilingual Too close to call

ERNIE 5.1: 55.5 (#29), GLM-5.3-Flash: 56.0 (#25)

BenchmarkERNIE 5.1GLM-5.3-Flash
LMArena Non-English14541462
LMArena Chinese15081527
LMArena French14881496
LMArena German14701470
LMArena Japanese14221429
LMArena Korean14271446
LMArena Russian14591469
LMArena Spanish14731471

Instruction Following Too close to call

ERNIE 5.1: 76.7 (#37), GLM-5.3-Flash: 77.5 (#20)

BenchmarkERNIE 5.1GLM-5.3-Flash
LMArena Instruction Following14601478

Long Context Too close to call

ERNIE 5.1: 44.7 (#59), GLM-5.3-Flash: 45.4 (#39)

BenchmarkERNIE 5.1GLM-5.3-Flash
LMArena Longer Query14621482

Writing & Preference Too close to call

ERNIE 5.1: 65.1 (#52), GLM-5.3-Flash: 65.3 (#50)

BenchmarkERNIE 5.1GLM-5.3-Flash
LMArena Text14681471
LMArena Creative Writing14411442
LMArena Multi-Turn14711467

Frequently asked questions

Is ERNIE 5.1 better than GLM-5.3-Flash?

GLM-5.3-Flash is the stronger model overall, scoring 51.8 to 43.8 on the Noometry Index.

Is ERNIE 5.1 or GLM-5.3-Flash better for coding?

GLM-5.3-Flash scores higher on coding benchmarks: 53.1 versus 44.0 in the Noometry coding category.

How many benchmarks do ERNIE 5.1 and GLM-5.3-Flash share?

17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and GLM-5.3-Flash has 40.

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