Redfin built a conversational home-search agent with Sierra. Sierra reports that users of conversational search view nearly twice as many listings and are 47% more likely to request a tour.
Reported outcomes
Outcomes are reported exactly as stated by the source; we have not independently audited them.
How it works
- Agent searches listings using natural-language criteria.
- Pushes back on unrealistic criteria and suggests alternatives.
Risks & compliance
- Wrong or hallucinated answers to customers; needs guardrails and handoff
- Vendor-published results; not independently audited
Tools mentioned & how to build it
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Tools mentioned
- Sierra (Sierra)
Conversational AI agents for customer service, chat and voice.
Build a version yourself
- Relevance AI
Build an 'AI workforce' of agents, e.g. BDR agents that research and book meetings. - HubSpot (Breeze agents)
SMB-friendly CRM with Breeze AI agents for prospecting and support. - Close
Sales CRM with built-in calling and email for inside-sales teams.
Sources
“conversational search users view nearly twice as many listings, and are 47% more likely to request a tour.”Redfin and Sierra
Grade rationale: Named organization with a quantified outcome from the vendor or the organization itself (self-reported). Automated check on Oct 17, 2026: 1/1 quotes and 1/1 outcome claims matched the source. Compiled by the Agent Casefile research desk (AI-assisted; see methodology). Spot an error? Request a correction.



