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Sierra

Conversational AI platform where businesses build customer service agents that run across chat, SMS, email and voice.

Agent by Sierra

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Chalk Labs

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About

Sierra is a conversational AI platform for businesses that build customer-facing agents. Ghostwriter can build an agent from uploaded SOPs, transcripts and recordings or from a plain-English goal, and its optimize step proposes agent updates from flagged issues for review before shipping. A single agent can be deployed across chat, SMS, WhatsApp, email, voice and ChatGPT, with outcome-based pricing.

Use cases: customer-support, voice-agents

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Fact sheet

Jobs
customer supportsierra.ai
Autonomy
Autonomous: runs tasks end to end and reports backsierra.ai
Where you use it
Email, Voice, othersierra.ai
Hosting
Hosted by the vendorsierra.ai
Billing
Outcome-based pricing, so you pay for the value Sierra delivers.sierra.ai

Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.

Details

License
License unknown
Website
sierra.ai
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Website

More from Sierra

Done for you

Rather not set it up yourself?

Chalk Labs scopes, builds and runs agents for your team: the task audit, the eval harness, the integrations and the weekly ops report. Fixed scope, priced before we start.

See how we build AI agents →Read the case studies

Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.

launches shipped
50+
launches shipped
media placements
500+
media placements
founders on every account
2
founders on every account

Press we've placed: Forbes · CoinDesk · Decrypt · Cointelegraph · The Block

Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.

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Cite this page

Sierra. Agent Mart. https://agentmart.dev/agents/sierra (last updated 2026-10-24)