Best alternatives to Dialogflow (2026)
15 verified ai agents alternatives to Dialogflow, machine-checked for live status, real pricing, and genuine free tiers.
| Tool | Free tier | API | Freshness | Key difference |
|---|---|---|---|---|
| SalesloftContact | — | ✓ | 100 | Contact pricing |
| CassidyFreemium | ✓ | — | 100 | Verified free tier |
| Stack AIFreemium | — | ✓ | 100 | Freemium pricing |
| OpenHandsOpen source | — | ✓ | 100 | Open source |
| SimFreemium | ✓ | ✓ | 100 | Open source |
| E2BUsage-based | ✓ | ✓ | 100 | Open source |
| BhindiFreemium | — | — | 100 | No public API |
| Relay.appFreemium | — | ✓ | 100 | Freemium pricing |
| ManusFreemium | — | — | 100 | No public API |
| SaleswiseSubscription | ✓ | — | 100 | Verified free tier |
| DelphiSubscription | — | — | 100 | No public API |
| Retell AIUsage-based | — | ✓ | 100 | Build real-time AI voice agents for calls. |
| ChatbaseFreemium | ✓ | ✓ | 100 | Verified free tier |
| CrewAIOpen source | — | ✓ | 100 | Open source |
| LindyFreemium | ✓ | — | 100 | Verified free tier |