Noometry

Model comparison

C4ai Aya Expanse 8b vs GLM-5.3-Flash

GLM-5.3-Flash is the stronger model overall, scoring 51.8 to 34.9 on the Noometry Index.

Last verified . 14 shared benchmarks.

C4ai Aya Expanse 8b Cohere

34.9

Rank #229 Confirmed

GLM-5.3-Flash Z.ai (Zhipu)

51.8

Rank #41 Confirmed

Summary

  • They share 14 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 0 categories and GLM-5.3-Flash in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where GLM-5.3-Flash leads 65.3 to 39.0.

Side by side

C4ai Aya Expanse 8bGLM-5.3-Flash
ProviderCohereZ.ai (Zhipu)
Noometry Index34.951.8
Released—2026-08-20
WeightsOpenOpen
Context window—1M
Max output—131K
Input $ / M tokens—$0.15
Output $ / M tokens—$0.50
Results tracked1540

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Category by category

Coding GLM-5.3-Flash leads

C4ai Aya Expanse 8b: 33.8 (#252), GLM-5.3-Flash: 53.1 (#31)

BenchmarkC4ai Aya Expanse 8bGLM-5.3-Flash
LMArena Coding11601508
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

C4ai Aya Expanse 8b: —, GLM-5.3-Flash: 34.2 (#47)

BenchmarkC4ai Aya Expanse 8bGLM-5.3-Flash
APEX-Agents—52.8%
GDP.pdf—14%

Reasoning GLM-5.3-Flash leads

C4ai Aya Expanse 8b: 22.4 (#197), GLM-5.3-Flash: 48.0 (#42)

BenchmarkC4ai Aya Expanse 8bGLM-5.3-Flash
LMArena Hard Prompts11561491
ARC-AGI-2—65.8%
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

C4ai Aya Expanse 8b: 33.3 (#203), GLM-5.3-Flash: 53.3 (#47)

BenchmarkC4ai Aya Expanse 8bGLM-5.3-Flash
LMArena Math11681500
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

C4ai Aya Expanse 8b: 33.6 (#201), GLM-5.3-Flash: 58.4 (#36)

BenchmarkC4ai Aya Expanse 8bGLM-5.3-Flash
LMArena Expert11531513
GPQA Diamond—90.2%
Vectara Hallucination Rate9.5%—

Multimodal Not comparable

C4ai Aya Expanse 8b: —, GLM-5.3-Flash: 42.8 (#27)

BenchmarkC4ai Aya Expanse 8bGLM-5.3-Flash
LMArena Vision—1296

Multilingual GLM-5.3-Flash leads

C4ai Aya Expanse 8b: 36.1 (#242), GLM-5.3-Flash: 56.0 (#25)

BenchmarkC4ai Aya Expanse 8bGLM-5.3-Flash
LMArena Non-English11801462
LMArena Chinese11811527
LMArena German11881470
LMArena Japanese11201429
LMArena Russian11971469
LMArena French—1496
LMArena Korean—1446
LMArena Spanish—1471

Instruction Following GLM-5.3-Flash leads

C4ai Aya Expanse 8b: 60.1 (#253), GLM-5.3-Flash: 77.5 (#20)

BenchmarkC4ai Aya Expanse 8bGLM-5.3-Flash
LMArena Instruction Following11551478

Long Context GLM-5.3-Flash leads

C4ai Aya Expanse 8b: 36.1 (#236), GLM-5.3-Flash: 45.4 (#39)

BenchmarkC4ai Aya Expanse 8bGLM-5.3-Flash
LMArena Longer Query11911482

Writing & Preference GLM-5.3-Flash leads

C4ai Aya Expanse 8b: 39.0 (#250), GLM-5.3-Flash: 65.3 (#50)

BenchmarkC4ai Aya Expanse 8bGLM-5.3-Flash
LMArena Text11851471
LMArena Creative Writing11681442
LMArena Multi-Turn11601467

Frequently asked questions

Is C4ai Aya Expanse 8b better than GLM-5.3-Flash?

GLM-5.3-Flash is the stronger model overall, scoring 51.8 to 34.9 on the Noometry Index.

Is C4ai Aya Expanse 8b or GLM-5.3-Flash better for coding?

GLM-5.3-Flash scores higher on coding benchmarks: 53.1 versus 33.8 in the Noometry coding category.

How many benchmarks do C4ai Aya Expanse 8b and GLM-5.3-Flash share?

14 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and GLM-5.3-Flash has 40.

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