Noometry

Model comparison

GLM-4.7-Flash vs Step 5 Preview

Step 5 Preview is the stronger model overall, scoring 47.9 to 38.8 on the Noometry Index. GLM-4.7-Flash costs 9.8× less per token, which makes it the better buy when Step 5 Preview's lead doesn't matter for your workload.

Last verified . 13 shared benchmarks.

GLM-4.7-Flash Z.ai (Zhipu)

38.8

Rank #180 Confirmed

Step 5 Preview StepFun

47.9

Rank #58 Confirmed

Summary

  • They share 13 benchmarks with published results for both. GLM-4.7-Flash scores higher in 0 categories and Step 5 Preview in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Step 5 Preview leads 40.0 to 20.9.
  • GLM-4.7-Flash is cheaper at $0.06 / $0.40 per million input/output tokens, against $1 / $2.70 for Step 5 Preview.
  • Step 5 Preview accepts more context: 1.02M tokens versus 200K.
  • GLM-4.7-Flash has downloadable open weights; the other is API-only.

Side by side

GLM-4.7-FlashStep 5 Preview
ProviderZ.ai (Zhipu)StepFun
Noometry Index38.847.9
Released2026-01-192026-09-16
WeightsOpenProprietary
Context window200K1.02M
Max output131K66K
Input $ / M tokens$0.06$1
Output $ / M tokens$0.40$2.70
Results tracked2118

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Category by category

Coding Step 5 Preview leads

GLM-4.7-Flash: 40.6 (#135), Step 5 Preview: 51.8 (#36)

BenchmarkGLM-4.7-FlashStep 5 Preview
LMArena Coding13831480
LMArena WebDev—1564
SciCode—58.9%

Reasoning Step 5 Preview leads

GLM-4.7-Flash: 20.9 (#229), Step 5 Preview: 40.0 (#57)

BenchmarkGLM-4.7-FlashStep 5 Preview
LMArena Hard Prompts13561465
CritPt—20.9%
Chess Puzzles0%—

Math Step 5 Preview leads

GLM-4.7-Flash: 36.1 (#173), Step 5 Preview: 46.1 (#72)

BenchmarkGLM-4.7-FlashStep 5 Preview
LMArena Math13551470
OTIS Mock AIME 2024-202558.3%—
ProofBench—42%

Knowledge Step 5 Preview leads

GLM-4.7-Flash: 35.5 (#184), Step 5 Preview: 41.2 (#112)

BenchmarkGLM-4.7-FlashStep 5 Preview
LMArena Expert13571470
GPQA Diamond60.5%—
Vectara Hallucination Rate9.3%—

Multimodal Not comparable

GLM-4.7-Flash: —, Step 5 Preview: 41.0 (#41)

BenchmarkGLM-4.7-FlashStep 5 Preview
LMArena Vision—1267

Multilingual Step 5 Preview leads

GLM-4.7-Flash: 46.5 (#158), Step 5 Preview: 53.8 (#54)

BenchmarkGLM-4.7-FlashStep 5 Preview
LMArena Non-English13301432
LMArena Chinese14031519
LMArena Russian13321436
LMArena Spanish13501439
LMArena French1332—
LMArena German1337—
LMArena Korean1283—

Instruction Following Step 5 Preview leads

GLM-4.7-Flash: 70.1 (#167), Step 5 Preview: 76.0 (#50)

BenchmarkGLM-4.7-FlashStep 5 Preview
LMArena Instruction Following13271444

Long Context Step 5 Preview leads

GLM-4.7-Flash: 40.9 (#148), Step 5 Preview: 44.5 (#64)

BenchmarkGLM-4.7-FlashStep 5 Preview
LMArena Longer Query13451455

Writing & Preference Step 5 Preview leads

GLM-4.7-Flash: 47.4 (#210), Step 5 Preview: 62.8 (#71)

BenchmarkGLM-4.7-FlashStep 5 Preview
LMArena Text13511442
LMArena Creative Writing12971410
LMArena Multi-Turn13421447
EQ-Bench Creative Writing1125—

Frequently asked questions

Is GLM-4.7-Flash better than Step 5 Preview?

Step 5 Preview is the stronger model overall, scoring 47.9 to 38.8 on the Noometry Index. GLM-4.7-Flash costs 9.8× less per token, which makes it the better buy when Step 5 Preview's lead doesn't matter for your workload.

Which is cheaper, GLM-4.7-Flash or Step 5 Preview?

GLM-4.7-Flash is cheaper. It lists at $0.06 per million input tokens and $0.40 per million output tokens; Step 5 Preview lists at $1 and $2.70.

Is GLM-4.7-Flash or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 51.8 versus 40.6 in the Noometry coding category.

Which has the bigger context window?

Step 5 Preview does, with 1.02M tokens against 200K.

How many benchmarks do GLM-4.7-Flash and Step 5 Preview share?

13 benchmarks have published results for both models. GLM-4.7-Flash has 21 scored results on Noometry and Step 5 Preview has 18.

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