o3
Parameters
Undisclosed
Context Length
128K
Modality
Text
Architecture
Undisclosed
License
Proprietary
Release Date
20 Dec 2025
Knowledge Cutoff
Jun 2024
API Pricing (per 1M)
Input: $2.00 · Output: $8.00
Evaluation Benchmarks
Rank
#77
| Benchmark | Score | Rank |
|---|---|---|
Software Engineering | 0.58 | 29 |
Graduate-Level QA | 0.833 | 53 |
General Text | 1432 | 85 |
Intelligence Index | 0.20 | 155 |
QA Assistant Archived | 0.986 | 🥇 1 |
Coding Archived | high 0.81 Standard 0.77 | 🥈 2 4 |
Rankings
Overall Rank
#77
Coding Rank
#80
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
Architecture specifications are undisclosed 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