K2-Think
K2-Think.
6
Benchmarks with a score
0
Ranked first, out of five or more models
0
In the top three
K2-Think
Open weights Mid-size
No Epoch Capabilities Index score yet
- BRUMO 2025 83.3% #33 /42
- SMT 2025 79.7% #29 /40
- CMIMC 2025 68.1% #29 /33
Where it ranks
Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.
Math and science
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| AIME 2025 | 83.3% | #32 of 53 | Official leaderboard | |
| HMMT 2025 | 65% | #34 of 53 | Official leaderboard | |
| SMT 2025 | 79.7% | #29 of 40 | Official leaderboard | |
| BRUMO 2025 | 83.3% | #33 of 42 | Official leaderboard | |
| CMIMC 2025 | 68.1% | #29 of 33 | Official leaderboard |
Agents and tools
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| LLM Chess | -458 | #110 of 124 | Official leaderboard |