A real buyer question from the September 2026 snapshot, asked 3× to each of the three models. 9 answers recorded.
“What real estate CRM has the best integrations with MLS and lead sources?”
ChatGPT answered 3× this snapshot …strongest overall integration ecosystem, these are usually the top contenders: Follow Up Boss — best overall for lead source integrations and team lead routing kvCORE — best all-in-one for CRM + website + IDX/MLS + automation Sierra Interactive — best for high-performance IDX/MLS search + serious online lead gen teams BoomTown — best for larger teams wanting a full platform with strong lead management CINC — good…
Named across its answers: 1. Follow Up Boss2. kvCORE3. BoomTown4. LionDesk5. Sierra Interactive
Verbatim excerpt from one collected ChatGPT answer; formatting flattened, words untouched.
Claude answered 3× this snapshot Real Estate CRMs with Best MLS & Lead Source Integrations Top Performers Follow Up Boss Integrates with 200+ lead sources automatically Works with Zillow, Realtor.com, Facebook, Google Strong API for custom connections Popular with teams and brokerages LionDesk Direct MLS integrations in many markets Connects with major portals (Zillow, Trulia, etc.) Affordable price point Texting and video email built in kvCORE…
Named across its answers: 1. Follow Up Boss2. kvCORE3. LionDesk4. Sierra Interactive5. Chime
Verbatim excerpt from one collected Claude answer; formatting flattened, words untouched.
Gemini answered 3× this snapshot …estate CRMs categorized by their strength in MLS and lead source integrations. Follow Up Boss (The Best for Lead Source Integration) Follow Up Boss (FUB) is widely considered the gold standard for lead integration. It is an "open" CRM, meaning it doesn't try to be your website; it tries to be the "brain" that connects all your other tools. Lead Source Integrations: It has native, API-level integrations with over…
Named across its answers: 1. Follow Up Boss2. Lofty3. kvCORE4. Sierra Interactive5. LionDesk
Verbatim excerpt from one collected Gemini answer; formatting flattened, words untouched.
Follow Up Boss is the runaway winner, named first in all 9 answers across every model, with kvCORE consistently second at an average position of 2.4 but never grabbing the top slot. HubSpot and Salesforce, despite their category ranks, were shut out entirely, suggesting AI models treat MLS and lead-source integration as a specialist conversation where generalist CRMs don't register.
AI-generated read of the September 2026 measurements.