Comprehensive side-by-side LLM comparison
o1-pro leads with 48.2% higher average benchmark score. o1-pro supports multimodal inputs. GPT-3.5 Turbo is available on 2 providers. Overall, o1-pro is the stronger choice for coding tasks.
OpenAI
GPT-3.5 Turbo was developed as an optimized version of GPT-3.5, designed to provide a balance of capability and efficiency for conversational and completion tasks. Built to serve as a cost-effective option for applications requiring reliable language understanding and generation, it became widely adopted for chatbots, content generation, and general-purpose AI assistance.
OpenAI
o1-pro was developed as an enhanced version of the o1 reasoning model, designed to provide extended reasoning capabilities with greater depth and reliability. Built for professionals and advanced users tackling complex analytical tasks, it offers enhanced thinking time and reasoning quality for the most demanding applications.
1 year newer

GPT-3.5 Turbo
OpenAI
2023-03-21

o1-pro
OpenAI
2024-12-17
Context window and performance specifications
Average performance across 1 common benchmarks

GPT-3.5 Turbo

o1-pro
GPT-3.5 Turbo
2021-09-30
o1-pro
2023-09-30
Available providers and their performance metrics

GPT-3.5 Turbo
Azure
OpenAI


GPT-3.5 Turbo

o1-pro

GPT-3.5 Turbo

o1-pro
o1-pro