Comprehensive side-by-side LLM comparison
GPT-4.1 leads with 3.0% higher average benchmark score. GPT-4.1 offers 919.6K more tokens in context window than o1-preview. GPT-4.1 is $65.00 cheaper per million tokens. GPT-4.1 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
OpenAI
GPT-4.1 represents an iterative improvement in the GPT-4 series, developed to refine the foundational capabilities established by GPT-4. Built to incorporate learnings and optimizations from the deployment of previous versions, it continues the evolution of OpenAI's flagship model line with enhanced reliability and performance.
OpenAI
o1-preview was introduced as an early version of OpenAI's reasoning model series, designed to demonstrate the potential of AI models that engage in extended thinking before responding. Built to solve complex problems through deliberate reasoning processes, it represented an initial step toward more thoughtful and analytical AI systems.
7 months newer

o1-preview
OpenAI
2024-09-12

GPT-4.1
OpenAI
2025-04-14
Cost per million tokens (USD)

GPT-4.1

o1-preview
Context window and performance specifications
Average performance across 4 common benchmarks

GPT-4.1

o1-preview
Performance comparison across key benchmark categories

GPT-4.1

o1-preview
GPT-4.1
2024-06-01
Available providers and their performance metrics

GPT-4.1
OpenAI

o1-preview

GPT-4.1

o1-preview

GPT-4.1

o1-preview
Azure
OpenAI