Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 offers 8.0K more tokens in context window than Command R+. Command R+ is $16.75 cheaper per million tokens. Claude Sonnet 4.5 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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.
Cohere
Command R+ was developed by Cohere as an advanced language model designed for enterprise applications requiring retrieval-augmented generation. Built to excel at combining external knowledge with language understanding, it serves businesses needing reliable, factually-grounded AI assistance with strong reasoning and multilingual capabilities.
1 year newer

Command R+
Cohere
2024-08-30

Claude Sonnet 4.5
Anthropic
2025-09-29
Cost per million tokens (USD)

Claude Sonnet 4.5

Command R+
Context window and performance specifications
Claude Sonnet 4.5
2025-01-31
Available providers and their performance metrics

Claude Sonnet 4.5
Anthropic
ZeroEval


Claude Sonnet 4.5

Command R+

Claude Sonnet 4.5

Command R+
Command R+
Bedrock
Cohere