Day.ai vs Nautilus
Which Sales AI tool is better in 2026?
Day.ai
An AI-native CRM that builds itself from your emails, meetings, and conversations.
Nautilus
AI platform to grow and to optimize car washes
Side-by-side
Day.ai is the more established option (raised $24M); pricing is comparable on both sides.
| Metric | Day.ai | Nautilus |
|---|---|---|
| Taglinei | An AI-native CRM that builds itself from your emails, meetings, and conversations. | AI platform to grow and to optimize car washes |
| Foundedi | 2023🏆 | 2025 |
| HQi | San Francisco, US | San Francisco, US |
| Employeesi | 11-50 | 1-10🏆 |
| Neuron scorei | 59🏆 | 51 |
| Total fundingi | $24M🏆 | $1M |
| Latest roundi | Series A · Nov 2025 | Seed · Aug 2025 |
| Valuationi | — | — |
| Cheapest paid plani | — | Pricing not disclosed |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | By the Agent · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Pricing not listed |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Day.ai and Nautilus.
| Capability | Day.ai | Nautilus |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Day.ai
- Has raised more capital ($24M vs $1M)
- Higher Neuron score (59 vs 51)
- More mature (2023)
🔵 Strengths of Nautilus
- Newer company (2025)
Which should you choose?
Choose Nautilus if price matters most — it starts at Pricing not listed, which is friendlier for teams watching burn. Both AI Sales tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Day.ai if you want the most established option — it has raised $24M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Day.ai vs Nautilus — which is better?
It depends on your priority. Day.ai has raised more capital and is the more established option; Nautilus has broader feature depth. See the side-by-side table above.
Is Day.ai cheaper than Nautilus?
No — Nautilus's cheapest paid plan is Pricing not listed, while Day.ai's is Paid.
Do Day.ai and Nautilus offer free plans?
Day.ai: Paid only. Nautilus: Paid only.
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