Start free — no credit card needed. Upgrade when nOS earns it. Billed annually, cancel anytime.
| Free | Plus | Pro | |
|---|---|---|---|
| Monthly credits | 50 | 1,250 | 3,000 |
| Fast mode | ✓ | ✓ | ✓ |
| Thinking mode | — | ✓ | ✓ |
| Opus (most powerful) | — | — | ✓ |
| SIS + file import | ✓ | ✓ | ✓ |
| Conversation memory | ✓ | ✓ | ✓ |
| Conflict detection | ✓ | ✓ | ✓ |
Need district-wide or unlimited access? Talk to us →
Each message costs credits by mode — Fast is light, Thinking does deeper reasoning, Opus is the most powerful. Your plan includes a monthly allowance and you always see what's left.
Yes — upgrade, downgrade, or cancel anytime from your billing page. Changes take effect at your next cycle.
Every account starts free with 50 credits a month and Fast mode. No credit card required to begin.
Create an account and ask your first question in under five minutes.