Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. o1-pro supports multimodal inputs. DeepSeek-V3.2-Exp is available on 2 providers. Both models have their strengths depending on your specific coding needs.
DeepSeek
DeepSeek-V3.2-Exp was introduced as an experimental release, designed to test new architectural innovations and training methodologies. Built to explore the boundaries of mixture-of-experts design, it serves as a research preview for techniques that may be incorporated into future stable releases.
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.
9 months newer

o1-pro
OpenAI
2024-12-17

DeepSeek-V3.2-Exp
DeepSeek
2025-09-29
Context window and performance specifications
Average performance across 1 common benchmarks

DeepSeek-V3.2-Exp

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

DeepSeek-V3.2-Exp
Novita
ZeroEval

o1-pro

DeepSeek-V3.2-Exp

o1-pro

DeepSeek-V3.2-Exp

o1-pro