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Claude Sonnet 4.5 vs Qwen3 30B A3B
Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 16.9% higher average benchmark score. Claude Sonnet 4.5 offers 8.0K more tokens in context window than Qwen3 30B A3B. Qwen3 30B A3B is $17.60 cheaper per million tokens. Claude Sonnet 4.5 supports multimodal inputs. 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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Alibaba Cloud / Qwen Team
Qwen3 30B was created with a mixture-of-experts architecture featuring 30 billion total parameters and 3 billion active parameters. Built to provide strong capabilities with efficient inference through sparse activation, it balances performance with practical computational requirements.
5 months newer
Qwen3 30B A3B
Alibaba Cloud / Qwen Team
2025-04-29
Claude Sonnet 4.5
Anthropic
2025-09-29
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Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4.5
Input:$3.00
Output:$15.00
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Qwen3 30B A3B
Input:$0.10
Output:$0.30($17.60 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Claude Sonnet 4.5
Average Score:85.2%(+16.9%)
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Qwen3 30B A3B
Average Score:68.3%
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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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Claude Sonnet 4.5
Avg Score:85.2%(+16.9%)
Providers:2
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Qwen3 30B A3B
Avg Score:68.3%
Providers:3