Resolve AI vs Retell AI
Which Agents AI tool is better in 2026?
Resolve AI
AI SRE for complex production environments
Retell AI
Hire your AI call center for sales, support, and appointment scheduling
Side-by-side
Resolve AI is the more established option (raised $190M); pricing is comparable on both sides.
| Metric | Resolve AI | Retell AI |
|---|---|---|
| Taglinei | AI SRE for complex production environments | Hire your AI call center for sales, support, and appointment scheduling |
| Foundedi | 2023 | 2023 |
| HQi | US | US |
| Employeesi | — | 1-10🏆 |
| Neuron scorei | 90🏆 | 60 |
| Total fundingi | $190M🏆 | Undisclosed |
| Latest roundi | Series A Extension · Apr 2026 | Seed |
| Valuationi | — | — |
| Cheapest paid plani | — | — |
| Free plani | ✗ | ✓ Free Trial |
| Free triali | ✗ | ✓ |
| Top tier pricei | Enterprise · Contact sales | Enterprise · Contact sales |
| Pricing summaryi | 1 published plans | 2 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Resolve AI and Retell AI.
| Capability | Resolve AI | Retell AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 2 (JavaScript, Python) |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Resolve AI
- Has raised more capital ($190M vs Undisclosed)
- Higher Neuron score (90 vs 60)
🔵 Strengths of Retell AI
- Offers a free plan
- Offers a free trial
Which should you choose?
Choose Retell AI if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Resolve AI if you want the most established option — it has raised $190M, 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
Resolve AI vs Retell AI — which is better?
It depends on your priority. Resolve AI has raised more capital and is the more established option; Retell AI has broader feature depth. See the side-by-side table above.
Is Resolve AI cheaper than Retell AI?
No — Retell AI's cheapest paid plan is Free, while Resolve AI's is Enterprise · Contact sales.
Do Resolve AI and Retell AI offer free plans?
Resolve AI: Paid only. Retell AI: Yes, has a free plan.
Explore more AI Agents tools
Contextual paths to related AI startups, deals and rankings.