reasoning-sec`finished_duration_sec` of the reasoning block (`timing.reasoning_sec`). Measured 22 Aug 2026: standard 1–7 s, thinking 2–6 s on searching questions, 0 without search. The thinking level "medium" thus barely thinks longer than instant. Not to be confused with `timing.total_ms`, which contains the runner choreography and is not compared.
| Prompt | 20 Aug 2026 | 21 Aug 2026 | 22 Aug 2026 |
|---|---|---|---|
| K1-01 instant | 2 | 3 | 2 |
| K1-01 thinking | 6 | 7 | 6 |
| K1-02 instant | – | 3 | 3 |
| K10-01 instant | – | 2 | 1 |
| K11-01 instant | – | 3 | 4 |
| K11-02 instant | – | – | 3 |
| K13-01 instant | – | 5 | 4 |
| K14-01 thinking | – | 2 | 0 |
| K14-02 thinking | – | 0 | 0 |
| K2-01 instant | 3 | 4 | 3 |
| K2-01 thinking | 7 | 9 | 6 |
| K2-02 instant | – | 3 | 4 |
| K2-03 instant | – | 5 | 2 |
| K3-01 instant | – | 4 | 7 |
| K3-02 instant | – | 4 | 7 |
| K4-01 thinking | 1 | 0 | 0 |
| K5-01 instant | 5 | 3 | 3 |
| K5-01 thinking | 12 | 20 | 6 |
| K5-02 instant | – | 3 | 5 |
| K6-01 instant | 2 | 2 | 1 |
| K6-01 thinking | 3 | 4 | 2 |
| K6-02 instant | – | 1 | 2 |
| K7-01 instant | – | 1 | 1 |
| K7-02 instant | – | 4 | 5 |
| K8-01 instant | – | – | 2 |
| K9-02 instant | – | 2 | – |