Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 49.6% 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.
DeepSeek
DeepSeek-R1-Distill-Qwen-1.5B was created through distillation into an ultra-compact Qwen architecture, designed to enable reasoning capabilities on resource-constrained devices. Built with just 1.5 billion parameters, it brings advanced analytical techniques to edge computing and mobile scenarios.
8 months newer

DeepSeek R1 Distill Qwen 1.5B
DeepSeek
2025-01-20

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

Claude Sonnet 4.5

DeepSeek R1 Distill Qwen 1.5B
Claude Sonnet 4.5
2025-01-31
Available providers and their performance metrics

Claude Sonnet 4.5
Anthropic
ZeroEval


Claude Sonnet 4.5

DeepSeek R1 Distill Qwen 1.5B

Claude Sonnet 4.5

DeepSeek R1 Distill Qwen 1.5B
DeepSeek R1 Distill Qwen 1.5B