Sierra alternatives
These 12 tools sit in the same categories as Sierra and are ranked by community score. Enterprise conversational AI agents for customer engagement.
| Tool | Pricing | Score | Categories |
|---|---|---|---|
| Sierrathis one Enterprise conversational AI agents for customer engagement | Contact | 58 | Chatbots, Productivity |
| Mistral AI European frontier models and autonomous agents for developers | Freemium | 176 | Coding, Chatbots |
| Writer Enterprise AI for content creation and generation | Contact | 107 | AI Writing, Productivity |
| Deepgram Enterprise voice AI unifying speech-to-text, text-to-speech, and agents | Freemium | 118 | Audio & Voice, Chatbots |
| Decagon AI agents that scale customer service operations | Contact | 40 | Chatbots, Productivity |
| Cartesia Real-time voice AI for production applications | Freemium | 65 | Audio & Voice, Chatbots |
| Inworld AI Real-time voice AI infrastructure for conversational applications | Contact | 17 | Audio & Voice, Chatbots |
| Tiledesk Build and deploy AI agents across channels without code | Freemium | 11 | Chatbots, Productivity |
| ConvoStack AI voice agents that handle business calls end-to-end | Contact | 12 | Chatbots, Productivity |
All alternatives to Sierra
Mistral AI
FreemiumEuropean frontier models and autonomous agents for developers
Writer
ContactEnterprise AI for content creation and generation
Deepgram
FreemiumEnterprise voice AI unifying speech-to-text, text-to-speech, and agents
Decagon
ContactAI agents that scale customer service operations
Cartesia
FreemiumReal-time voice AI for production applications
Inworld AI
ContactReal-time voice AI infrastructure for conversational applications
Tiledesk
FreemiumBuild and deploy AI agents across channels without code
ConvoStack
ContactAI voice agents that handle business calls end-to-end
Sendr
FreemiumUnified outbound sales automation with AI-powered personalization
AVA
FreeOpen-source AI voice agent for Asterisk phone systems
AiAm
FreemiumAll-in-one AI toolkit for content, design, and code
Chatbase
FreemiumDeploy AI agents for customer conversations