Model comparison

GLM-5.3-Flash vs Nemotron 3.5 Lightning

GLM-5.3-Flash is the stronger model overall, scoring 51.8 to 40.0 on the Noometry Index. Nemotron 3.5 Lightning costs 2.7× less per token, which makes it the better buy when GLM-5.3-Flash's lead doesn't matter for your workload.

Last verified . 17 shared benchmarks.

GLM-5.3-Flash Z.ai (Zhipu)

51.8

Rank #41 Confirmed

Nemotron 3.5 Lightning NVIDIA

40.0

Rank #155 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GLM-5.3-Flash scores higher in 8 categories and Nemotron 3.5 Lightning in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GLM-5.3-Flash leads 48.0 to 26.8.
  • Nemotron 3.5 Lightning is cheaper at $0.05 / $0.20 per million input/output tokens, against $0.15 / $0.50 for GLM-5.3-Flash.
  • GLM-5.3-Flash accepts more context: 1M tokens versus 262K.

Side by side

GLM-5.3-Flash and Nemotron 3.5 Lightning specifications
GLM-5.3-FlashNemotron 3.5 Lightning
ProviderZ.ai (Zhipu)NVIDIA
Noometry Index51.840.0
Released2026-08-202026-08-11
WeightsOpenOpen
Context window1M262K
Max output131K262K
Input $ / M tokens$0.15$0.05
Output $ / M tokens$0.50$0.20
Results tracked4018

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding GLM-5.3-Flash leads

GLM-5.3-Flash: 53.1 (#31), Nemotron 3.5 Lightning: 40.4 (#141)

Coding benchmarks
BenchmarkGLM-5.3-FlashNemotron 3.5 Lightning
LMArena Coding15081375
DeepSWE63.4%—
FrontierCode31.8%—
CursorBench36.8%—
LMArena WebDev1609—
FrontierSWE18.1%—
SciCode51.6%—
ALE-Bench303.55—

Agentic & Tool Use Not comparable

GLM-5.3-Flash: 34.2 (#47), Nemotron 3.5 Lightning: —

Agentic & Tool Use benchmarks
BenchmarkGLM-5.3-FlashNemotron 3.5 Lightning
APEX-Agents52.8%—
GDP.pdf14%—

Reasoning GLM-5.3-Flash leads

GLM-5.3-Flash: 48.0 (#42), Nemotron 3.5 Lightning: 26.8 (#127)

Reasoning benchmarks
BenchmarkGLM-5.3-FlashNemotron 3.5 Lightning
LMArena Hard Prompts14911337
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), Nemotron 3.5 Lightning: 37.5 (#155)

Math benchmarks
BenchmarkGLM-5.3-FlashNemotron 3.5 Lightning
LMArena Math15001359
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), Nemotron 3.5 Lightning: 37.5 (#154)

Knowledge benchmarks
BenchmarkGLM-5.3-FlashNemotron 3.5 Lightning
LMArena Expert15131356
GPQA Diamond90.2%—

Multimodal Not comparable

GLM-5.3-Flash: 42.8 (#27), Nemotron 3.5 Lightning: —

Multimodal benchmarks
BenchmarkGLM-5.3-FlashNemotron 3.5 Lightning
LMArena Vision1296—

Multilingual GLM-5.3-Flash leads

GLM-5.3-Flash: 56.0 (#25), Nemotron 3.5 Lightning: 44.0 (#180)

Multilingual benchmarks
BenchmarkGLM-5.3-FlashNemotron 3.5 Lightning
LMArena Non-English14621295
LMArena Chinese15271359
LMArena French14961366
LMArena German14701282
LMArena Japanese14291206
LMArena Korean14461238
LMArena Russian14691253
LMArena Spanish14711345

Instruction Following GLM-5.3-Flash leads

GLM-5.3-Flash: 77.5 (#20), Nemotron 3.5 Lightning: 69.6 (#170)

Instruction Following benchmarks
BenchmarkGLM-5.3-FlashNemotron 3.5 Lightning
LMArena Instruction Following14781318

Long Context GLM-5.3-Flash leads

GLM-5.3-Flash: 45.4 (#39), Nemotron 3.5 Lightning: 39.9 (#165)

Long Context benchmarks
BenchmarkGLM-5.3-FlashNemotron 3.5 Lightning
LMArena Longer Query14821314

Writing & Preference GLM-5.3-Flash leads

GLM-5.3-Flash: 65.3 (#50), Nemotron 3.5 Lightning: 48.5 (#201)

Writing & Preference benchmarks
BenchmarkGLM-5.3-FlashNemotron 3.5 Lightning
LMArena Text14711327
LMArena Creative Writing14421254
LMArena Multi-Turn14671328
EQ-Bench Creative Writing—1280

Frequently asked questions

Is GLM-5.3-Flash better than Nemotron 3.5 Lightning?

GLM-5.3-Flash is the stronger model overall, scoring 51.8 to 40.0 on the Noometry Index. Nemotron 3.5 Lightning costs 2.7× less per token, which makes it the better buy when GLM-5.3-Flash's lead doesn't matter for your workload.

Which is cheaper, GLM-5.3-Flash or Nemotron 3.5 Lightning?

Nemotron 3.5 Lightning is cheaper. It lists at $0.05 per million input tokens and $0.20 per million output tokens; GLM-5.3-Flash lists at $0.15 and $0.50.

Is GLM-5.3-Flash or Nemotron 3.5 Lightning better for coding?

GLM-5.3-Flash scores higher on coding benchmarks: 53.1 versus 40.4 in the Noometry coding category.

Which has the bigger context window?

GLM-5.3-Flash does, with 1M tokens against 262K.

How many benchmarks do GLM-5.3-Flash and Nemotron 3.5 Lightning share?

17 benchmarks have published results for both models. GLM-5.3-Flash has 40 scored results on Noometry and Nemotron 3.5 Lightning has 18.

Related comparisons

Go deeper