LongCat 2.0
Public AI IQ model profile with source-backed benchmark results and derived ranking context.
IQ
97
EQ
n/a
Effective Cost
$13.06
IQ Rank
#94
LongCat 2.0 API pricing — full price table, workload cost examples, and cheaper alternatives.
IQ Dimensions
| Dimension | IQ | Coverage |
|---|---|---|
| Abstract Reasoning | 79 | 0/3 |
| Mathematical Reasoning | 87 | 0/5 |
| Academic Reasoning | 123 | 4/6 |
| Programmatic Reasoning | 95 | 1/6 |
| Computer Use | 99 | 0/6 |
| Reliability | 98 | 2/7 |
Benchmark Results
| Benchmark | Score | Dimension |
|---|---|---|
| AA Long Context Reasoning | 62.667 | Reliability |
| AA Omniscience | -23.42 | Reliability |
| CritPt | 2.571 | Academic Reasoning |
| GPQA Diamond | 77.98 | Academic Reasoning |
| Humanity's Last Exam | 33.689 | Academic Reasoning |
| SciCode | 35.417 | Academic Reasoning |
| Terminal-Bench 2.1 | 50.187 | Programmatic Reasoning |
Compare
Frequently Asked Questions
- What is the IQ of LongCat 2.0?
- LongCat 2.0 has an estimated IQ of 97, which ranks #94 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 LongCat 2.0 cost?
- LongCat 2.0 costs $0.75 per million input tokens and $2.95 per million output tokens. Adjusted for how many tokens it actually consumes on real tasks, its effective cost works out to $13.06 per million input-plus-output tokens.
- Is LongCat 2.0 open source?
- Yes — LongCat 2.0 is an open-weights model: its trained weights are published, so it can be downloaded and self-hosted.
- When was LongCat 2.0 released?
- LongCat 2.0 was publicly released on June 29, 2026.
- How large is the context window of LongCat 2.0?
- LongCat 2.0 supports a context window of 1,000,000 tokens — the amount of text it can consider in a single request.
- How fast is LongCat 2.0?
- In independent measurements, LongCat 2.0 generates about 42 tokens per second, with a typical response time of about 62 seconds.