AI SDR vs. AI Sales Engineer
The two roles get conflated constantly. They shouldn't be — they sit at opposite ends of the funnel and solve different problems. Here's a plain-English breakdown of where each one fits, what it actually does, and how CoLive runs both at once.
What is an AI SDR?
An AI Sales Development Rep automates the top of the funnel: meeting visitors, replying to inbound forms, running outbound at scale, qualifying against an ICP, and booking the first meeting. Think of it as an always-on front line that opens real conversations instead of pushing leads into a sequence.
At CoLive, that role is Vesper — our AI Inbound SDR — and Mira, our AI Outbound. They greet, qualify, and book — but they hand off the moment a question gets technical.
What is an AI Sales Engineer?
An AI Sales Engineer answers the hard questions: VPC deployment, PHI handling, SSO, rate limits, integration architectures, security questionnaires. It reads from your real product docs and gives source-grounded answers — not generic LLM hand-waving.
At CoLive, that's Atlas. Atlas sits next to Vesper and joins live calls as a co-pilot the moment the prospect goes deep. The handoff is invisible to the buyer.
Will AI replace sales engineers?
Not for strategic deals. AI Sales Engineers replace the repetitive work — the same VPC question answered for the 400th time, the SIG-lite questionnaire that takes 6 hours to draft. They free senior SEs to focus on architecture review, complex POCs, and the deals that actually need a human in the room.
Why you need both
An AI SDR with no AI SE generates qualified meetings that stall the moment a technical question lands. An AI SE with no AI SDR sits idle, waiting for someone to feed it leads. The two roles compound — pipeline volume from one, deal velocity from the other.
CoLive ships them together, plus the four other agents that own booking, recap, follow-up, and CRM hygiene. One system. End to end.
See the full agent roster live
Six named agents. One revenue engine. Real-time console.