Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 41.0% 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.
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.
Alibaba Cloud / Qwen Team
Qwen2 72B was developed as the flagship model in the Qwen2 generation, designed to provide advanced language understanding with 72 billion parameters. Built to deliver strong performance across diverse tasks, it represented a significant advancement in Qwen's model capabilities when introduced.
1 year newer

Qwen2 72B Instruct
Alibaba Cloud / Qwen Team
2024-07-23

Claude Sonnet 4.5
Anthropic
2025-09-29
Context window and performance specifications
Average performance across 1 common benchmarks

Claude Sonnet 4.5

Qwen2 72B Instruct
Claude Sonnet 4.5
2025-01-31
Available providers and their performance metrics

Claude Sonnet 4.5
Anthropic
ZeroEval


Claude Sonnet 4.5

Qwen2 72B Instruct

Claude Sonnet 4.5

Qwen2 72B Instruct
Qwen2 72B Instruct