Model comparison

GLM-5.3-Flash vs Yi-Lightning

GLM-5.3-Flash is the stronger model overall, scoring 51.8 to 37.1 on the Noometry Index.

Last verified . 17 shared benchmarks.

GLM-5.3-Flash Z.ai (Zhipu)

51.8

Rank #41 Confirmed

Yi-Lightning 01.AI

37.1

Rank #209 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GLM-5.3-Flash scores higher in 8 categories and Yi-Lightning in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in coding, where GLM-5.3-Flash leads 53.1 to 27.4.
  • GLM-5.3-Flash has downloadable open weights; the other is API-only.

Side by side

GLM-5.3-Flash and Yi-Lightning specifications
GLM-5.3-FlashYi-Lightning
ProviderZ.ai (Zhipu)01.AI
Noometry Index51.837.1
Released2026-08-202024-12-02
WeightsOpenProprietary
Context window1M—
Max output131K—
Input $ / M tokens$0.15—
Output $ / M tokens$0.50—
Results tracked4018

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Category by category

Coding GLM-5.3-Flash leads

GLM-5.3-Flash: 53.1 (#31), Yi-Lightning: 27.4 (#320)

Coding benchmarks
BenchmarkGLM-5.3-FlashYi-Lightning
LMArena Coding15081312
DeepSWE63.4%—
FrontierCode31.8%—
Aider Polyglot—12.9%
CursorBench36.8%—
LMArena WebDev1609—
FrontierSWE18.1%—
SciCode51.6%—
ALE-Bench303.55—

Agentic & Tool Use Not comparable

GLM-5.3-Flash: 34.2 (#47), Yi-Lightning: —

Agentic & Tool Use benchmarks
BenchmarkGLM-5.3-FlashYi-Lightning
APEX-Agents52.8%—
GDP.pdf14%—

Reasoning GLM-5.3-Flash leads

GLM-5.3-Flash: 48.0 (#42), Yi-Lightning: 25.9 (#139)

Reasoning benchmarks
BenchmarkGLM-5.3-FlashYi-Lightning
LMArena Hard Prompts14911302
ARC-AGI-265.8%—
ARC-AGI-191%—
CritPt15.4%—
Chess Puzzles14%—
Mystery Game Puzzles8%—
Surface Evolver Bench52.5%—
Bench to the Future 30.15—
Epoch Capabilities Index151.88—

Math GLM-5.3-Flash leads

GLM-5.3-Flash: 53.3 (#47), Yi-Lightning: 36.2 (#172)

Math benchmarks
BenchmarkGLM-5.3-FlashYi-Lightning
LMArena Math15001300
FrontierMath (Tiers 1-3)55.8%—
FrontierMath Tier 417.1%—
OTIS Mock AIME 2024-202593.9%—
ProofBench21%—

Knowledge GLM-5.3-Flash leads

GLM-5.3-Flash: 58.4 (#36), Yi-Lightning: 35.4 (#185)

Knowledge benchmarks
BenchmarkGLM-5.3-FlashYi-Lightning
LMArena Expert15131286
GPQA Diamond90.2%—

Multimodal Not comparable

GLM-5.3-Flash: 42.8 (#27), Yi-Lightning: —

Multimodal benchmarks
BenchmarkGLM-5.3-FlashYi-Lightning
LMArena Vision1296—

Multilingual GLM-5.3-Flash leads

GLM-5.3-Flash: 56.0 (#25), Yi-Lightning: 42.2 (#196)

Multilingual benchmarks
BenchmarkGLM-5.3-FlashYi-Lightning
LMArena Non-English14621269
LMArena Chinese15271320
LMArena French14961305
LMArena German14701267
LMArena Japanese14291228
LMArena Korean14461192
LMArena Russian14691255
LMArena Spanish14711315

Instruction Following GLM-5.3-Flash leads

GLM-5.3-Flash: 77.5 (#20), Yi-Lightning: 67.4 (#196)

Instruction Following benchmarks
BenchmarkGLM-5.3-FlashYi-Lightning
LMArena Instruction Following14781278

Long Context GLM-5.3-Flash leads

GLM-5.3-Flash: 45.4 (#39), Yi-Lightning: 39.4 (#181)

Long Context benchmarks
BenchmarkGLM-5.3-FlashYi-Lightning
LMArena Longer Query14821297

Writing & Preference GLM-5.3-Flash leads

GLM-5.3-Flash: 65.3 (#50), Yi-Lightning: 50.2 (#184)

Writing & Preference benchmarks
BenchmarkGLM-5.3-FlashYi-Lightning
LMArena Text14711302
LMArena Creative Writing14421280
LMArena Multi-Turn14671311

Frequently asked questions

Is GLM-5.3-Flash better than Yi-Lightning?

GLM-5.3-Flash is the stronger model overall, scoring 51.8 to 37.1 on the Noometry Index.

Is GLM-5.3-Flash or Yi-Lightning better for coding?

GLM-5.3-Flash scores higher on coding benchmarks: 53.1 versus 27.4 in the Noometry coding category.

How many benchmarks do GLM-5.3-Flash and Yi-Lightning share?

17 benchmarks have published results for both models. GLM-5.3-Flash has 40 scored results on Noometry and Yi-Lightning has 18.

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