o3
Parameters
-
Context Length
128K
Modality
Text
Architecture
Dense
License
Proprietary
Release Date
20 Dec 2025
Knowledge Cutoff
-
Evaluation Benchmarks
Rank
#28
| Benchmark | Score | Rank |
|---|---|---|
QA Assistant | 0.985 | 🥇 1 |
Coding | 0.81 | ⭐ 4 |
Summarization | 0.794 | 14 |
Professional Knowledge | 0.86 | 17 |
Graduate-Level QA | 0.833 | 17 |
General Text | 1431 | 68 |
Rankings
Overall Rank
#28
Coding Rank
#18
About o3
o3 provides advanced reasoning capabilities for complex problem-solving across multiple domains. Features deliberative thinking for mathematics, coding, and analytical tasks. Achieves strong performance on challenging benchmarks including competitive programming, advanced mathematics, and scientific reasoning. Well-suited for applications requiring careful analysis and multi-step reasoning at a balanced cost-performance ratio.
Technical Specifications
Detailed architecture specifications are limited for proprietary models.
Resources
About o3
OpenAI's o3 reasoning models represent a breakthrough in deliberative problem-solving and mathematical reasoning. These models use advanced chain-of-thought techniques and can be configured with different compute levels (low, medium, high) to balance reasoning depth with response time. Excel at complex mathematics, scientific reasoning, and multi-step problem solving.
Other o3 Models
- No related models available