Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 10.9% higher average benchmark score. GPT-4.5 supports multimodal inputs. 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.
Alibaba Cloud / Qwen Team
Qwen2 72B was developed as the flagship model in the Qwen2 generation, designed to provide advanced language understanding with 72 billion parameters. Built to deliver strong performance across diverse tasks, it represented a significant advancement in Qwen's model capabilities when introduced.
7 months newer

Qwen2 72B Instruct
Alibaba Cloud / Qwen Team
2024-07-23

GPT-4.5
OpenAI
2025-02-27
Context window and performance specifications
Average performance across 4 common benchmarks

GPT-4.5

Qwen2 72B Instruct
Available providers and their performance metrics

GPT-4.5
OpenAI

Qwen2 72B Instruct

GPT-4.5

Qwen2 72B Instruct

GPT-4.5

Qwen2 72B Instruct