opus-5
Public AI IQ model profile with source-backed benchmark results and derived ranking context.
IQ
135
EQ
n/a
Effective Cost
$37.56
IQ Rank
#5
opus-5 API pricing — full price table, workload cost examples, and cheaper alternatives.
IQ Dimensions
| Dimension | IQ | Coverage |
|---|---|---|
| Abstract Reasoning | 131 | 3/3 |
| Mathematical Reasoning | 137 | 0/5 |
| Academic Reasoning | 143 | 5/6 |
| Programmatic Reasoning | 144 | 3/6 |
| Computer Use | 136 | 0/6 |
| Reliability | 119 | 2/7 |
Benchmark Results
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Frequently Asked Questions
- What is the IQ of opus-5?
- opus-5 has an estimated IQ of 135, which ranks #5 out of 131 public models on the AI IQ leaderboard. The score combines six equally weighted reasoning dimensions, each measured from source-backed benchmark results.
- How much does opus-5 cost?
- opus-5 costs $5.00 per million input tokens and $25.00 per million output tokens. Adjusted for how many tokens it actually consumes on real tasks, its effective cost works out to $37.56 per million input-plus-output tokens.
- Is opus-5 open source?
- No — opus-5 is a proprietary model. Its weights are not publicly available, so it is used through hosted APIs and products.
- When was opus-5 released?
- opus-5 was publicly released on July 24, 2026.
- How large is the context window of opus-5?
- opus-5 supports a context window of 1,000,000 tokens — the amount of text it can consider in a single request.
- How fast is opus-5?
- In independent measurements, opus-5 generates about 60 tokens per second, with a typical response time of about 75 seconds.