Effort levels by model › GPT-6 Luna
GPT-6 Luna reasoning effort levels: intelligence, cost and speed
How much smarter GPT-6 Luna gets at each reasoning effort, what each level costs per task, and how fast it answers. Benchmarks from Artificial Analysis.
| Effort | Intelligence Index | Gain vs. previous | Cost per task | Output tokens/s |
|---|---|---|---|---|
| low Best intelligence per dollar | 10 | — | $0.01 | 127 |
| medium | 18 | +8 | $0.04 | — |
| high | 21 | +3 | $0.07 | 120 |
| xhigh | 23 | +2 | $0.10 | 127 |
| max | 28 | +5 | $0.15 | 118 |
Source: Artificial Analysis LLM Leaderboard, checked 2026-11-02.