Compare AI models: Grok 4.5 vs GLM-5.1

Grok 4.5xAIHollow points use fallbacks · hover for details
GLM-5.1ZhipuHollow points use fallbacks · hover for details

ReasoningCodingCost efficiencyContext windowMultimodalTool use

Normalized model capability scores
Model	Reasoning	Coding	Cost efficiency	Context window	Multimodal	Tool use
Grok 4.5	50/100 — Reasoning supported; no comparable benchmark	90/100	24/100	75/100	33/100	57/100
GLM-5.1	50/100 — Reasoning supported; no comparable benchmark	88/100	33/100	47/100	0/100	45/100

Overview

Author

xAI

Zhipu

Context length

500K

200K

Reasoning

True

Input modalities

Text, Image

Text

Output modalities

Text

Providers

xAI

Zhipu

Pricing

Input

$2.00/ 1M

$0.90/ 1M

Output

$6.00/ 1M

$3.59/ 1M

Cached input

$0.30/ 1M

$0.19/ 1M

MomentumLast 2 mo

Unique users

5.7K

40K

Completed sessions

37,948

101,367

Token share

0.01%

Tokens

588M-100%

64B-79%

AUG 31OCT 25

RetentionWeek 1

Returning users

46.4%373 user-weeks

55.8%1.8K user-weeks

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