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Model Comparison

Comprehensive side-by-side analysis of model capabilities and performance

GLM-4.5-Air

Zhipu AI

GLM-4.5-Air is a language model developed by Zhipu AI. It achieves strong performance with an average score of 60.8% across 14 benchmarks. It excels particularly in MATH-500 (98.1%), AIME 2024 (89.4%), MMLU-Pro (81.4%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Zhipu AI's latest advancement in AI technology.

xAI

Grok-4 Heavy

xAI

Grok-4 Heavy is a multimodal language model developed by xAI. It achieves strong performance with an average score of 79.5% across 6 benchmarks. It excels particularly in AIME 2025 (100.0%), HMMT25 (96.7%), GPQA (88.4%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.

xAI

Grok-4 Heavy

xAI

2025-07-09

GLM-4.5-Air

Zhipu AI

2025-07-28

19 days newer

Average performance across 2 common benchmarks

GLM-4.5-Air

Average Score:72.8%
xAI

Grok-4 Heavy

+11.0%
Average Score:83.9%

Performance comparison across key benchmark categories

GLM-4.5-Air

math
98.1%
code
46.0%
general
+1.5%
76.0%
xAI

Grok-4 Heavy

math
+1.9%
100.0%
code
+33.4%
79.4%
general
74.4%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

Grok-4 Heavy

2024-12-31

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

GLM-4.5-Air

0 providers
xAI

Grok-4 Heavy

0 providers

GLM-4.5-Air

Avg Score:72.8%
Providers:0
xAI

Grok-4 Heavy

+11.0%
Avg Score:83.9%
Providers:0