Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 45.9% higher average benchmark score. Claude Sonnet 4.5 offers 8.0K more tokens in context window than Mistral Small 3.1 24B Base. Mistral Small 3.1 24B Base is $17.60 cheaper per million tokens. 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.
Mistral AI
Mistral Small 3.1 24B Base represents an updated iteration of the 24B foundation model, developed with architectural refinements and improved training. Built to provide enhanced base capabilities for fine-tuning, it incorporates learnings from previous versions for better downstream performance.
6 months newer

Mistral Small 3.1 24B Base
Mistral AI
2025-03-17

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

Claude Sonnet 4.5

Mistral Small 3.1 24B Base
Context window and performance specifications
Average performance across 1 common benchmarks

Claude Sonnet 4.5

Mistral Small 3.1 24B Base
Claude Sonnet 4.5
2025-01-31
Available providers and their performance metrics

Claude Sonnet 4.5
Anthropic
ZeroEval


Claude Sonnet 4.5

Mistral Small 3.1 24B Base

Claude Sonnet 4.5

Mistral Small 3.1 24B Base
Mistral Small 3.1 24B Base
Mistral AI