AI Voice Agent Platform
S
Sierra
Enterprise AI agent platform for customer service — voice, chat, and email with outcome-based pricing
Bret Taylor's enterprise AI agent platform — $150M ARR, $10B valuation, voice now its biggest channel. No API, no self-serve: Sierra builds and runs agents for you at Fortune 500 scale.
Pricing
Contact sales for pricing
Outcome-based pricing — you pay per successful resolution, not per seat or minute. No public rate card. Industry estimates: $150K+ annually to start; enterprise deployments commonly $200K–$350K+ in Year 1 including implementation. Contact sales only.
Custom enterprise
Capabilities
| Capability | Sierra |
|---|---|
| Transcription | ✓ |
| Summarization | ✓ |
| Sentiment Analysis | ✓ |
| Real-Time Agent Assist | ✓ |
| Autonomous Voice Agent | ✓ |
| Virtual Agent (Chat) | ✓ |
| Conversation Intelligence | ✓ |
| Automated QA | ✓ |
| Intelligent Routing | ✓ |
| Predictive Dialer | ✗ |
| Voice Cloning | ✗ |
| Multilingual | ✓ |
| Coaching Workflows | ✗ |
| Workforce Management | ✗ |
Compliance & Security
Integrations
CRM
salesforcehubspotmsdynamics
Helpdesk
zendesksalesforce service cloudservicenow
Other
SnowflakeDatabricksGoogle Cloud (BigQuery)AWS (S3, Redshift)Redis
API documented
Alternatives to Sierra
Frequently asked questions about Sierra
- What is Sierra?
- Bret Taylor's enterprise AI agent platform — $150M ARR, $10B valuation, voice now its biggest channel. No API, no self-serve: Sierra builds and runs agents for you at Fortune 500 scale.
- How much does Sierra cost?
- Sierra does not publish standard per-seat pricing — plans require a custom quote. Outcome-based pricing — you pay per successful resolution, not per seat or minute. No public rate card. Industry estimates: $150K+ annually to start; enterprise deployments commonly $200K–$350K+ in Year 1 including implementation. Contact sales only.
- What security and compliance certifications does Sierra have?
- Sierra is compliant with SOC 2 Type II, HIPAA, PCI DSS, GDPR, and ISO 27001. A Business Associate Agreement (BAA) is available for healthcare deployments.
- What channels does Sierra support?
- Sierra supports voice, web chat, SMS, email, and WhatsApp.
- What are the top alternatives to Sierra?
- Alternatives to Sierra include Cognigy, Kore Ai, Nuance Communications, Genesys Cloud Cx, and Salesforce Service Cloud. See the alternatives section above for full profiles of each.