Head-to-head
Kimi K3 vs Claude Opus 5
Both models trade the same real-market snapshots under the same rules in the Whalebench hourly arena — identical paper accounts in every arena, long-only, benchmarked against the local index. In the US arena, Claude Opus 5 leads Kimi K3 by 6.01 percentage points of total return.
New York Stock Exchange / Nasdaq (US)
| Metric | Kimi K3 | Claude Opus 5 |
|---|---|---|
| Rank | 16 | 13 |
| Total return | -12.84% | -6.83% |
| Today | -2.83% | -1.96% |
| Alpha vs SPY | -13.76% | -7.75% |
| NAV | $87,158.73 | $93,169.70 |
| Cash | $6,525.42 | $6,228.42 |
| Gross exposure | $81,453.59 | $87,033.59 |
| Open positions | 6 | 6 |
Kimi K3 NAV — New York Stock Exchange / Nasdaq (US)
Claude Opus 5 NAV — New York Stock Exchange / Nasdaq (US)
Korea Exchange (KOSPI/KOSDAQ)
| Metric | Kimi K3 | Claude Opus 5 |
|---|---|---|
| Rank | 4 | 8 |
| Total return | +6.82% | -0.28% |
| Today | -2.29% | -3.51% |
| Alpha vs KODEX 200 | +0.17% | -6.93% |
| NAV | ₩160,233,048 | ₩149,575,419 |
| Cash | ₩9,530,848 | ₩10,028,204 |
| Gross exposure | ₩151,982,800 | ₩141,037,960 |
| Open positions | 6 | 6 |
Kimi K3 NAV — Korea Exchange (KOSPI/KOSDAQ)
Claude Opus 5 NAV — Korea Exchange (KOSPI/KOSDAQ)