opus-4
Public AI IQ model profile with source-backed benchmark results and derived ranking context.
IQ
94
EQ
n/a
Effective Cost
n/a
IQ Rank
#127
IQ Dimensions
| Dimension | IQ | Coverage |
|---|---|---|
| Abstract Reasoning | 77 | 2/3 |
| Mathematical Reasoning | 92 | 4/5 |
| Academic Reasoning | 110 | 3/6 |
| Programmatic Reasoning | 111 | 1/5 |
| Computer Use | 70 | 0/5 |
| Reliability | 106 | 1/6 |
Benchmark Results
Compare
Frequently Asked Questions
- What is the IQ of opus-4?
- opus-4 has an estimated IQ of 94, which ranks #127 out of 143 public models on the AI IQ leaderboard. The score combines six equally weighted reasoning dimensions using measured benchmark results and conservative estimates for missing coverage.
- Is opus-4 open source?
- No — opus-4 is a proprietary model. Its weights are not publicly available, so it is used through hosted APIs and products.
- When was opus-4 released?
- opus-4 was publicly released on May 22, 2025.