Readme
OpenAI o1 is the most powerful language model available in ChatGPT as of 2025, designed to solve the most complex and high-stakes problems in research, engineering, and beyond. Optimized for depth, accuracy, and reliability, o1 represents a new tier of research-grade intelligence — with o1 pro mode pushing the boundaries even further through higher compute and more deliberative reasoning.
Core Strengths
- Research-grade intelligence with cutting-edge performance
- Built for high-stakes tasks in law, medicine, data science, and engineering
- o1 pro mode enables deeper, more reliable thinking with extra compute
- Powers ChatGPT’s Pro experience for professionals and researchers
- Outperforms previous models (GPT-4o, GPT-4-turbo) on hard problems
- Evaluated using stricter reliability metrics (4/4 accuracy)
Model Performance
Competition Math (AIME 2024): - o1-preview: 50 - o1: 78 - o1 pro mode: 86 Competition Code (Codeforces): - o1-preview: 62 - o1: 89 - o1 pro mode: 90 PhD-Level Science (GPQA Diamond): - o1-preview: 74 - o1: 76 - o1 pro mode: 79
Competition Math (AIME 2024): - o1-preview: 37 - o1: 67 - o1 pro mode: 80 Competition Code (Codeforces): - o1-preview: 26 - o1: 64 - o1 pro mode: 75 PhD-Level Science (GPQA Diamond): - o1-preview: 58 - o1: 67 - o1 pro mode: 74
Use Cases
- Research-grade analysis in data science, law, and medicine
- Debugging and deep investigation in advanced software engineering
- Complex reasoning in math, science, and multimodal tasks
- Writing and validating technical content with 4/4 reliability
- High-compute applications that benefit from extra deliberation time