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Enterprise-grade conversational AI agents that resolve customer support at Fortune 500 scale.
Pros
- Best-in-class enterprise support agents with high resolution rates
- Outcome-based pricing aligns cost with value
- Trusted by a large share of Fortune 50 companies
Cons
- No public pricing, no free trial, no self-serve
- Year-one costs commonly $150k-$1.5M+ with professional services
- Overkill for SMBs or non-support use cases
✓ Where it shines / best for
- Large enterprises automating customer service and support
- Companies wanting AI agents that resolve issues end-to-end
- Brands needing voice + chat support automation at scale
✕ Not the best fit for
- Small businesses or solo users wanting cheap self-serve tooling
- Teams needing transparent published pricing upfront
- Quick DIY prototypes without enterprise onboarding
Features
- ✓ Conversational AI agents for customer experience across chat, SMS, WhatsApp, email, voice, and ChatGPT
- ✓ Outcome-based pricing tied to value delivered, not seats
- ✓ Ghostwriter builds production-ready multilingual, multichannel agents from SOPs, transcripts, and plain English
- ✓ Explorer (deep research over conversations), Monitors, and Experiments (multivariate testing)
- ✓ Customer data platform with agent memory and warehouse integrations (Snowflake, Databricks, BigQuery, AWS, Redis)
- ✓ Live Assist for human handoff plus built-in guardrails
- ✓ Observability into agent actions and reasoning
- ✓ Deep system integration so agents take real actions, not just answer
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Outcome-based / Custom | Custom | annual | Sierra pioneered outcome-based pricing — customers pay for value delivered (e.g. resolved issues) rather than per seat. No public self-serve tier; contact sales |
Pricing verified from the official source. Prices change often — confirm on the vendor's site before buying.
Sponsored
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