GPT-6 Luna effort guide: ★ Max recommended, ability and cost by effort
GPT-6 Luna (OpenAI): the recommended effort is ★ Max, ability 35.4 at $0.168 per reference coding task.
Ability, cost and time at each effort
GPT-6 Luna · OpenAI · ★ Max
| Effort | Ability | vs ★ | Cost / task | Cost × | Time × |
|---|---|---|---|---|---|
| None | -4.2 | -39.5 | $0.032 | ×0.19 | ×0.30 (est.) |
| Low | 2.1 | -33.3 | $0.013 | ×0.08 | ×0.19 (est.) |
| Med | 18.6 | -16.8 | $0.050 | ×0.30 | ×0.09 (est.) |
| High | 24.7 | -10.7 | $0.083 | ×0.49 | ×0.25 (est.) |
| XHigh | 28.3 | -7.1 | $0.120 | ×0.72 | ×0.57 (est.) |
| ★ Max | 35.4 | — | $0.168 | ×1.00 | ×1.00 (est.) |
- ⚡ Fast (Codex): plan-quota ×2.5, credits ×2; speed-up not stated
Cost is the API cost of one reference coding task; cost × and time × are relative to the ★ recommended effort. Open in the effort console
In OpenAI's lineup
Cheapest
- GPT-6 Luna → GPT-6.1 Sol: ability +15.9, cost ×3.65
Where to use it
- API:
gpt-6-luna - Codex:
gpt-6-luna
Other models from this maker: GPT-6 Astra · GPT-5.6 Sol · GPT-6.1 Sol · GPT-5.6 Terra
Data published 2026-10-15 11:33 UTC · All data is also available through the public API