Sierra · Enterprise platform for customer service agents
Product and access
Sierra connects customer service agents to business systems. Agent Studio manages workflows and knowledge, Ghostwriter assists with changes and tests, and Explorer analyzes conversations.
Provider
Sierra develops a platform for AI-powered customer experiences. The company was co-founded by Bret Taylor and Clay Bavor.
- Operator
- Sierra
- Organization
- Company
- Website
- sierra.ai
Core features
6 features from provider sources · checked on 10 October 2026. Availability and limitations follow below.
Model customer journeys
Agent Studio defines step-by-step journeys and uses external data in responses.
Source 2Connect business systems
Pre-built and custom integrations enable actions and handoffs with conversation context.
Source 2Modify agents with descriptions
Ghostwriter turns descriptions into changes to workflows, integrations and behavioral rules.
Source 3Simulate changes
Agent Studio offers simulations, regression testing and voice tests; Ghostwriter generates tests for changes.
Source 2Analyze conversations with Explorer
Explorer answers questions with themes, data and links to the underlying customer conversations.
Source 4
Requirements and limits
Requirement
Configure knowledge and actions
Knowledge, journeys and system integrations must be configured for the customer process.
Source 2Requirement
Review changes before release
Ghostwriter presents generated changes for review and approval before they go live.
Source 3Not yet confirmed
Agree outcome criteria contractually
The provider agrees outcome criteria in advance. Unit prices, minimum commitments and contract duration require an individual quote.
Source 6
Operation & oversight
Operational details for this profile have not yet been researched.
Practical tasks
Editorial examples based on documented features. No product tests performed.
Set up a returns journey
- Your input
- Returns policy, order system and identity verification rules.
- Possible result
- An agent journey that handles returns questions and performs authorized actions.
- What to check
- Check permissions, edge cases, handoffs and persisted changes.
Close recurring support gaps
- Your input
- Customer conversations, a quality question and approved knowledge sources.
- Possible result
- An Explorer analysis and an improvement proposal prepared with Ghostwriter.
- What to check
- Review conversation evidence, proposed changes and simulations before approval.
Returns policy, order system and identity verification rules.
Your possible prompt
Design a process for new requests: capture information, sort it by topic, and create a proposed response. Plan an approval step before external actions.
Getting-started idea based on documented capabilities. Not an executed product test. Adapt the task, data, and permissions.
Setup and pricing
Setup
Contact the provider, define customer workflows and knowledge sources, connect systems and test agents
Prices and included usage
Pricing checked
Quote on request; billing based on agreed outcomes, with blended models available
- Custom agreement
- Custom quote
Outcome-based billing against criteria agreed in advance; blended models are available for suitable workflows.
Price source
- Unit prices are not published on the reviewed page. The provider says escalated or unresolved cases are free of charge in most cases; the individual agreement governs.
Sources and evidence
Official product documentation reviewed. Workflows and assessments are editorial; hands-on product tests are outside the scope of this directory.
Editorial team: Michael Meierhoff · sources reviewed on . Provider information is not independent evidence of performance.
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sierra.ai /product
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sierra.ai /product/agent-studio
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sierra.ai /product/ghostwriter
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sierra.ai /product/explorer
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sierra.ai /about
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sierra.ai /blog/outcome-based-pricing-for-ai-agents