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Claude Sonnet 4.5 vs GLM-4.5-Air
Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 13.1% higher average benchmark score. Claude Sonnet 4.5 supports multimodal inputs. Claude Sonnet 4.5 is available on 2 providers. Overall, Claude Sonnet 4.5 is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4.5 was developed to bridge human thinking and machine assistance, allowing people to work with language and tools in a more conversational and natural way. Built with a focus on turning ideas into results, it represents an evolution in making AI feel less mechanical while maintaining strong capabilities across reasoning, coding, and collaborative tasks.
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Zhipu AI
GLM-4.5 Air was created as a lightweight variant of GLM-4.5, designed to provide strong bilingual capabilities with improved efficiency. Built to serve applications requiring practical deployment with reduced resource requirements, it extends GLM-4.5's multilingual strengths to resource-conscious scenarios.
2 months newer
GLM-4.5-Air
Zhipu AI
2025-07-28
Claude Sonnet 4.5
Anthropic
2025-09-29
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Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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Claude Sonnet 4.5
Average Score:73.4%(+13.1%)
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GLM-4.5-Air
Average Score:60.3%
Performance comparison across key benchmark categories
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Claude Sonnet 4.5
Coding77.2%(+19.6%)
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GLM-4.5-Air
Coding57.6%
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Knowledge Cutoff
Training data recency comparison
Claude Sonnet 4.5
2025-01-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude Sonnet 4.5
2 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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GLM-4.5-Air
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Claude Sonnet 4.5
Avg Score:73.4%(+13.1%)
Providers:2
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GLM-4.5-Air
Avg Score:60.3%
Providers:0