Comprehensive side-by-side LLM comparison
o1-pro leads with 30.9% higher average benchmark score. o1-pro supports multimodal inputs. Overall, o1-pro is the stronger choice for coding tasks.
Moonshot AI
Kimi K2 Base was created as the foundation model in the K2 series, designed to serve as a starting point for fine-tuning and customization. Built to provide strong base capabilities for domain-specific applications, it enables developers to build specialized solutions on Moonshot's architecture.
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.
6 months newer

o1-pro
OpenAI
2024-12-17

Kimi K2 Base
Moonshot AI
2025-07-11
Average performance across 1 common benchmarks

Kimi K2 Base

o1-pro
o1-pro
2023-09-30
Available providers and their performance metrics

Kimi K2 Base

o1-pro

Kimi K2 Base

o1-pro