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Claude Sonnet 4.5 vs Qwen3-235B-A22B
Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 31.8% higher average benchmark score. Qwen3-235B-A22B offers 6.3K more tokens in context window than Claude Sonnet 4.5. Qwen3-235B-A22B is $17.00 cheaper per million tokens. Claude Sonnet 4.5 supports multimodal inputs. Claude Sonnet 4.5 is available on 3 providers. Overall, Claude Sonnet 4.5 is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4.5, released by Anthropic in September 2025, is a large language model from the Claude 4.5 family that balances response quality and efficiency for coding, agentic tasks, and analytical work. It features a 200K token context window (extendable to 1M tokens in beta), 64K maximum output tokens, native image understanding, and extended thinking support. Sonnet 4.5 targets use cases that require a balance of throughput and reasoning depth, including code generation, data analysis, and multi-step agentic pipelines.
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Alibaba / Qwen
Qwen3-235B-A22B, released by Alibaba's Qwen team on April 28, 2025, is a Mixture-of-Experts large language model with 235 billion total parameters and 22 billion active parameters per inference. It features a 256K token context window, hybrid thinking capabilities (both reasoning and direct generation modes), and was trained on 36 trillion tokens across 119 languages. Qwen3-235B targets complex reasoning, multilingual tasks, and open-source deployments under the Apache 2.0 license.
5 months newer
Qwen3-235B-A22B
Alibaba / Qwen
2025-04-28
Claude Sonnet 4.5
Anthropic
2025-09-29
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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Qwen3-235B-A22B
Input:$0.25
Output:$0.75($17.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Sonnet 4.5
Average Score:43.8%(+31.8%)
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Qwen3-235B-A22B
Average Score:12.0%
Performance comparison across key benchmark categories
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Claude Sonnet 4.5
Tool Use43.8%(+31.8%)
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Qwen3-235B-A22B
Tool Use12.0%
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Knowledge Cutoff
Training data recency comparison
Claude Sonnet 4.5
2025-01
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
3 providers
Anthropic
AWS Bedrock
Google Cloud Vertex AI
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Qwen3-235B-A22B
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Claude Sonnet 4.5
Avg Score:43.8%(+31.8%)
Providers:3
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Qwen3-235B-A22B
Avg Score:12.0%
Providers:1