Time Horizon Index: KSP - Progress Efficiency
Agents · 2026-07-18
Progress efficiency on Vals Time Horizon Index: KSP measures the area under an agent's mission-progress curve divided by its effective agent time so far, rewarding agents that reach the same KSP milestones earlier.
Top models (higher is better)
| Model | Score |
|---|---|
| Opus 4.8 | 7.7 |
| GPT-5.5 | 6.0 |
| Grok 4.5 | 5.9 |
| Muse Spark 1.1 | 0.7 |