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Claude Sonnet 4 vs GLM-4.5
Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. Claude Sonnet 4 offers 65.9K more tokens in context window than GLM-4.5. GLM-4.5 is $16.00 cheaper per million tokens. Claude Sonnet 4 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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Anthropic
Claude Sonnet 4 was created as the balanced offering in the Claude 4 family, designed to provide strong intelligence with practical speed and cost efficiency. Built to serve as a versatile workhorse for diverse applications, it balances advanced capabilities with operational considerations for everyday enterprise and consumer use.
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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.
2 months newer
Claude Sonnet 4
Anthropic
2025-05-22
GLM-4.5
Zhipu AI
2025-07-28
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Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4
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 Sonnet 4
Average Score:64.8%(+0.6%)
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GLM-4.5
Average Score:64.2%
Performance comparison across key benchmark categories
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Claude Sonnet 4
Coding72.7%(+8.5%)
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GLM-4.5
Coding64.2%
Provider Availability & Performance
Available providers and their performance metrics
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Claude Sonnet 4
4 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Sonnet 4
Avg Score:64.8%(+0.6%)
Providers:4
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GLM-4.5
Avg Score:64.2%
Providers:3