Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
✕
Glassix
✓ verifiedPaid
AI-native contact center that resolves customer inquiries across chat, voice and social channels for support teams.
271K visits/mo752 saves
✕
Sierra
✓ verifiedPaid
Enterprise conversational AI platform, founded by former Google/Salesforce leaders, for building customer-facing AI agents across channels.
326K visits/mo
Pricing
Starter: $49/user/mo
Growth: $65/user/mo (annual)
Free trial available
No public pricing
Core features
- ✦Omnichannel inbox for chat, email, social and voice
- ✦AI agents and chatbots with human co-handling
- ✦CrystalVoice AI voice channel
- ✦Automation and workflow routing
- ✦Reporting and real-time dashboards
- ✦Mobile agent app and API
- ✦AI agent builder from SOPs/transcripts (Ghostwriter)
- ✦Multi-channel deployment (chat, voice, SMS, email)
- ✦Conversation analytics and monitoring
- ✦A/B testing of conversation design
- ✦Agent memory and customer data integration
- ✦Outcome-based pricing model
Use cases
- →Automate first-line customer support
- →Unify messaging across channels in one inbox
- →Deploy chatbots for 24/7 self-service
- →Scale support for e-commerce and enterprise teams
- →Large brands automating customer support across channels
- →Enterprises building agents without heavy engineering support
- →Companies personalizing AI interactions using CRM data
Visit