Noometry

Model comparison

GLM-4.7 vs GPT-5.5 Instant

GLM-4.7 and GPT-5.5 Instant score almost the same on the Noometry Index (41.7 vs 42.5), so choose on price, context window or the category you care about most.

Last verified . 23 shared benchmarks.

GLM-4.7 Z.ai (Zhipu)

41.7

Rank #117 Confirmed

GPT-5.5 Instant OpenAI

42.5

Rank #99 Confirmed

Summary

  • They share 23 benchmarks with published results for both. GLM-4.7 scores higher in 2 categories and GPT-5.5 Instant in 6 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in math, where GLM-4.7 leads 37.7 to 26.1.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 83.3% for GLM-4.7 and 68.1% for GPT-5.5 Instant.
  • GLM-4.7 has downloadable open weights; the other is API-only.

Side by side

GLM-4.7GPT-5.5 Instant
ProviderZ.ai (Zhipu)OpenAI
Noometry Index41.742.5
Released2025-12-222026-05-05
WeightsOpenProprietary
Context window205K—
Max output131K—
Input $ / M tokens$0.60—
Output $ / M tokens$2.20—
Results tracked3627

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Category by category

Coding Too close to call

GLM-4.7: 43.6 (#74), GPT-5.5 Instant: 43.7 (#73)

BenchmarkGLM-4.7GPT-5.5 Instant
SciCode45.1%48.6%
LMArena Coding14541433
LMArena WebDev1435—
ALE-Bench399.48—

Agentic & Tool Use Not comparable

GLM-4.7: 26.4 (#96), GPT-5.5 Instant: —

BenchmarkGLM-4.7GPT-5.5 Instant
Terminal-Bench33.4%—
Vending-Bench 22,377—

Reasoning Too close to call

GLM-4.7: 23.7 (#161), GPT-5.5 Instant: 24.2 (#149)

BenchmarkGLM-4.7GPT-5.5 Instant
CritPt1.7%0%
Chess Puzzles6%12%
LMArena Hard Prompts14431426
Epoch Capabilities Index143.53142.48
SimpleBench47.7%—

Math GLM-4.7 leads

GLM-4.7: 37.7 (#92), GPT-5.5 Instant: 26.1 (#241)

BenchmarkGLM-4.7GPT-5.5 Instant
OTIS Mock AIME 2024-202583.3%68.1%
LMArena Math14231420
FrontierMath (Tiers 1-3)—26.3%
FrontierMath Tier 4—2.4%
ProofBench6%—
FrontierMath (Feb 2025 set)2.4%—
FrontierMath Tier 4 (v1)0%—

Knowledge GPT-5.5 Instant leads

GLM-4.7: 47.0 (#74), GPT-5.5 Instant: 48.9 (#68)

BenchmarkGLM-4.7GPT-5.5 Instant
GPQA Diamond83.3%82.5%
LMArena Expert14241409
SimpleQA Verified32.2%—
Vectara Hallucination Rate11.7%—

Multimodal Not comparable

GLM-4.7: —, GPT-5.5 Instant: 39.3 (#48)

BenchmarkGLM-4.7GPT-5.5 Instant
LMArena Vision—1250
LMArena Document—1403

Multilingual Too close to call

GLM-4.7: 53.0 (#75), GPT-5.5 Instant: 53.0 (#76)

BenchmarkGLM-4.7GPT-5.5 Instant
LMArena Non-English14171417
LMArena Chinese14951457
LMArena French14321428
LMArena German14261410
LMArena Japanese14391408
LMArena Korean14011393
LMArena Russian14231430
LMArena Spanish14331430

Instruction Following Too close to call

GLM-4.7: 74.6 (#90), GPT-5.5 Instant: 74.4 (#94)

BenchmarkGLM-4.7GPT-5.5 Instant
LMArena Instruction Following14111407

Long Context Too close to call

GLM-4.7: 42.8 (#111), GPT-5.5 Instant: 43.4 (#92)

BenchmarkGLM-4.7GPT-5.5 Instant
LMArena Longer Query14321422
CL-bench15.9%—
CL-bench Life10.9%—

Writing & Preference Too close to call

GLM-4.7: 61.1 (#89), GPT-5.5 Instant: 62.0 (#81)

BenchmarkGLM-4.7GPT-5.5 Instant
LMArena Text14361419
LMArena Creative Writing14011420
LMArena Multi-Turn14461434
EQ-Bench Creative Writing1413—

Frequently asked questions

Is GLM-4.7 better than GPT-5.5 Instant?

GLM-4.7 and GPT-5.5 Instant score almost the same on the Noometry Index (41.7 vs 42.5), so choose on price, context window or the category you care about most.

Is GLM-4.7 or GPT-5.5 Instant better for coding?

They score almost the same on coding (43.6 vs 43.7); test both on your own repository before choosing.

How many benchmarks do GLM-4.7 and GPT-5.5 Instant share?

23 benchmarks have published results for both models. GLM-4.7 has 36 scored results on Noometry and GPT-5.5 Instant has 27.

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