Noometry

Model comparison

GLM-5.3-Flash vs Kimi K2 Thinking Turbo

GLM-5.3-Flash is the stronger model overall, scoring 49.6 to 45.4 on the Noometry Index.

Last verified . 21 shared benchmarks.

GLM-5.3-Flash Z.ai (Zhipu)

49.6

Rank #45 Confirmed

Kimi K2 Thinking Turbo Moonshot AI

45.4

Rank #63 Confirmed

Summary

  • They share 21 benchmarks with published results for both. GLM-5.3-Flash scores higher in 8 categories and Kimi K2 Thinking Turbo in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in coding, where GLM-5.3-Flash leads 53.7 to 38.1.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 93.9% for GLM-5.3-Flash and 83.1% for Kimi K2 Thinking Turbo.

Side by side

GLM-5.3-FlashKimi K2 Thinking Turbo
ProviderZ.ai (Zhipu)Moonshot AI
Noometry Index49.645.4
Released2026-08-202025-11-06
WeightsOpenOpen
Context window1M—
Max output131K—
Input $ / M tokens$0.15—
Output $ / M tokens$0.50—
Results tracked3621

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: 53.7 (#26), Kimi K2 Thinking Turbo: 38.1 (#166)

BenchmarkGLM-5.3-FlashKimi K2 Thinking Turbo
LMArena WebDev16141322
LMArena Coding15061454
DeepSWE63.4%—
FrontierCode31.8%—
SciCode51.6%—
ALE-Bench303.55—

Agentic & Tool Use Not comparable

GLM-5.3-Flash: 34.3 (#41), Kimi K2 Thinking Turbo: —

BenchmarkGLM-5.3-FlashKimi K2 Thinking Turbo
APEX-Agents52.8%—
GDP.pdf14%—

Reasoning Too close to call

GLM-5.3-Flash: 31.7 (#69), Kimi K2 Thinking Turbo: 31.4 (#72)

BenchmarkGLM-5.3-FlashKimi K2 Thinking Turbo
Chess Puzzles14%20%
LMArena Hard Prompts14901428
CritPt15.4%—
Mystery Game Puzzles8%—
Surface Evolver Bench52.5%—
Bench to the Future 30.15—
Epoch Capabilities Index151.9—

Math GLM-5.3-Flash leads

GLM-5.3-Flash: 53.1 (#38), Kimi K2 Thinking Turbo: 45.5 (#62)

BenchmarkGLM-5.3-FlashKimi K2 Thinking Turbo
OTIS Mock AIME 2024-202593.9%83.1%
LMArena Math14991429
FrontierMath (Tiers 1-3)55.8%—
FrontierMath Tier 417.1%—
ProofBench21%—

Knowledge GLM-5.3-Flash leads

GLM-5.3-Flash: 58.4 (#33), Kimi K2 Thinking Turbo: 50.9 (#64)

BenchmarkGLM-5.3-FlashKimi K2 Thinking Turbo
GPQA Diamond90.2%84.2%
LMArena Expert15121439

Multimodal Not comparable

GLM-5.3-Flash: 42.6 (#25), Kimi K2 Thinking Turbo: —

BenchmarkGLM-5.3-FlashKimi K2 Thinking Turbo
LMArena Vision1304—

Multilingual GLM-5.3-Flash leads

GLM-5.3-Flash: 56.2 (#24), Kimi K2 Thinking Turbo: 51.6 (#104)

BenchmarkGLM-5.3-FlashKimi K2 Thinking Turbo
LMArena Non-English14621398
LMArena Chinese15291457
LMArena French14951425
LMArena German14571390
LMArena Japanese14201356
LMArena Korean14431329
LMArena Russian14721390
LMArena Spanish14711407

Instruction Following GLM-5.3-Flash leads

GLM-5.3-Flash: 77.8 (#17), Kimi K2 Thinking Turbo: 74.2 (#103)

BenchmarkGLM-5.3-FlashKimi K2 Thinking Turbo
LMArena Instruction Following14801403

Long Context GLM-5.3-Flash leads

GLM-5.3-Flash: 45.3 (#41), Kimi K2 Thinking Turbo: 43.2 (#99)

BenchmarkGLM-5.3-FlashKimi K2 Thinking Turbo
LMArena Longer Query14791415

Writing & Preference GLM-5.3-Flash leads

GLM-5.3-Flash: 65.4 (#49), Kimi K2 Thinking Turbo: 60.2 (#99)

BenchmarkGLM-5.3-FlashKimi K2 Thinking Turbo
LMArena Text14711415
LMArena Creative Writing14401373
LMArena Multi-Turn14711414

Frequently asked questions

Is GLM-5.3-Flash better than Kimi K2 Thinking Turbo?

GLM-5.3-Flash is the stronger model overall, scoring 49.6 to 45.4 on the Noometry Index.

Is GLM-5.3-Flash or Kimi K2 Thinking Turbo better for coding?

GLM-5.3-Flash scores higher on coding benchmarks: 53.7 versus 38.1 in the Noometry coding category.

How many benchmarks do GLM-5.3-Flash and Kimi K2 Thinking Turbo share?

21 benchmarks have published results for both models. GLM-5.3-Flash has 36 scored results on Noometry and Kimi K2 Thinking Turbo has 21.

Related comparisons

Go deeper