Comprehensive side-by-side LLM comparison
Claude Sonnet 4 leads with 2.1% higher average benchmark score. Claude Sonnet 4 supports multimodal inputs. Claude Sonnet 4 is available on 4 providers. Both models have their strengths depending on your specific coding needs.
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.
DeepSeek
DeepSeek-R1-Zero was introduced as an experimental variant trained with minimal human supervision, designed to develop reasoning patterns through self-guided reinforcement learning. Built to explore how models can discover analytical strategies independently, it represents research into autonomous reasoning capability development.
4 months newer

DeepSeek R1 Zero
DeepSeek
2025-01-20

Claude Sonnet 4
Anthropic
2025-05-22
Context window and performance specifications
Average performance across 1 common benchmarks

Claude Sonnet 4

DeepSeek R1 Zero
Available providers and their performance metrics

Claude Sonnet 4
Anthropic
Bedrock
ZeroEval

Claude Sonnet 4

DeepSeek R1 Zero

Claude Sonnet 4

DeepSeek R1 Zero

DeepSeek R1 Zero