Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 20.3% higher average benchmark score. Overall, GPT-4.5 is the stronger choice for coding tasks.
OpenAI
GPT-4.5 was developed as an intermediate advancement between GPT-4 and GPT-5, designed to incorporate incremental improvements in reasoning, factuality, and instruction-following. Built to bridge generational capabilities while maintaining compatibility with existing applications, it represents a refinement of the GPT-4 architecture with enhanced performance characteristics.
Mistral AI
Mistral Small 3.1 24B Instruct was developed as the instruction-tuned version of the 3.1 base model, designed to deliver improved instruction-following with refinements from the updated architecture. Built to serve diverse applications with enhanced reliability, it advances the Small model line's capabilities.
18 days newer

GPT-4.5
OpenAI
2025-02-27

Mistral Small 3.1 24B Instruct
Mistral AI
2025-03-17
Context window and performance specifications
Average performance across 5 common benchmarks

GPT-4.5

Mistral Small 3.1 24B Instruct
Available providers and their performance metrics

GPT-4.5
OpenAI

Mistral Small 3.1 24B Instruct

GPT-4.5

Mistral Small 3.1 24B Instruct

GPT-4.5

Mistral Small 3.1 24B Instruct