Compare AI voice agents, AI SDRs, and sales teams.
Voice AI platform? AI SDR? Customer service AI? Traditional BDR team? Pick the comparison closest to what you're considering and see which is best for inbound lead conversion.
Voice AI platforms
Air sells AI for long cold sales calls. Thoughtly converts the inbound leads you already paid for — voice + SMS + email + CRM, no cold outbound.
Bland's G2 reviews flag hallucinations and dropped calls. Thoughtly is multichannel inbound conversion that holds up in production — voice, SMS, email, CRM.
Retell is an engineer-shaped voice API with stacked pricing. Thoughtly is the RevOps platform — voice + SMS + email + CRM, bundled, ready to run.
Synthflow's flagship motion is agencies white-labeling voice agents. Thoughtly is the operator's product — built for the team running the funnel.
Vapi is a voice SDK for engineers. Thoughtly is the platform RevOps and growth teams turn on — voice + SMS + email + CRM, no developer needed.
AI SDRs and AI BDRs
11x's Alice cold-prospects at scale. Thoughtly converts the leads you already have — voice + SMS + email + CRM. We don't ship cold.
Artisan's Ava cold-emails strangers. Thoughtly converts the leads you already have — voice + SMS + email + CRM. No cold outbound.
Regal started as a human SDR dialer and pivoted to AI. Thoughtly is AI-native — faster, cheaper per contact, no rep overhead underneath.
Customer service AI
PolyAI is voice AI for customer service — IVR, deflection, contact-center automation. Thoughtly converts inbound leads. Different jobs.
Replicant is contact-center voice AI for containing service calls. Thoughtly converts inbound leads. Different funnel stage, different buyer.
Sierra builds enterprise CX agents for post-purchase support. Thoughtly converts inbound leads. Different category, buyer, and timeline.