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Claude 3.5 Sonnet vs GLM-4.5
Comprehensive side-by-side LLM comparison
GLM-4.5 leads with 11.8% higher average benchmark score. Claude 3.5 Sonnet offers 137.9K more tokens in context window than GLM-4.5. GLM-4.5 is $16.00 cheaper per million tokens. Claude 3.5 Sonnet supports multimodal inputs. Overall, GLM-4.5 is the stronger choice for coding tasks.
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Anthropic
This upgraded version of Claude 3.5 Sonnet was released with significant improvements in coding and agentic tool use. Built to deliver enhanced performance in software engineering tasks, it brought substantial gains in reasoning and problem-solving while introducing the groundbreaking computer use capability in public beta, allowing it to interact with computer interfaces like a human.
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Zhipu AI
GLM-4.5 was developed by Zhipu AI as an advanced bilingual language model, designed to excel at both Chinese and English language tasks. Built to serve diverse applications across multiple languages, it represents Zhipu AI's commitment to multilingual AI capabilities.
9 months newer
Claude 3.5 Sonnet
Anthropic
2024-10-22
GLM-4.5
Zhipu AI
2025-07-28
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Pricing Comparison
Cost per million tokens (USD)
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Claude 3.5 Sonnet
Input:$3.00
Output:$15.00
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GLM-4.5
Input:$0.40
Output:$1.60($16.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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Claude 3.5 Sonnet
Average Score:61.8%
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GLM-4.5
Average Score:73.6%(+11.8%)
Performance comparison across key benchmark categories
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Claude 3.5 Sonnet
Coding49.0%
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GLM-4.5
Coding64.2%(+15.2%)
Provider Availability & Performance
Available providers and their performance metrics
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Claude 3.5 Sonnet
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3.5 Sonnet
Avg Score:61.8%
Providers:3
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GLM-4.5
Avg Score:73.6%(+11.8%)
Providers:3