AI agents vs GTM engineers vs SDRs

AI agents run at $20 a month. A GTM engineer costs $6,000. An SDR, $5,000.

Everyone frames this as a replacement question. After running outbound for 275+ companies, I keep all three. Here is exactly why:

1. AI agents

The ‘AI employees’… autonomous, zero ramp time, and very cheap.

Point them at lead research, ICP scoring, email personalization, intent monitoring, deep list building, and reply classification.

Prospeo and Explorium for the data underneath. PredictLeads for the signals worth reacting to. Artisan if you want an agent that runs the whole top of funnel instead of one task.

Limits: they hallucinate, and the personalization can read as if a robot wrote it.

2. GTM engineer

One person running the whole outbound machine.

Inbox infrastructure with Hypertide. TAM mapping and account prioritisation with GetLeads. LinkedIn outreach through Expandi.

…and you can orchestrate 40+ data sources with 700+ endpoints through ColdIQ’s unified API.

This is the fancy way to say you can find any data point out there through one subscription.

The GTM engineer is technical enough to build systems, commercial enough to know what to build. That pairing is rare, which is why they are the most expensive out of the three options.

3. SDR

Human-to-human, the part nothing else covers.

Cold calls and discovery with Nooks. Mobile numbers via FullEnrich. Vibe Prospecting sits beside them as the assistant.

SDRs do not scale, by definition. 50 to 150 touchpoints a day is the ceiling, and the campaigns rarely get sophisticated.

But when it is time to read a room or save a deal on a live call, there is no substitute for a good old SDR…

What should you pick now?

The further you are from the prospect, the more the AI should do. Research, enrichment, scoring, list building at scale: hand all of it to agents.

Volume and speed went up. Quality has not overtaken people yet.

The GTM engineer builds the workflows and makes sure every touchpoint looks intentional. Orchestrated by a person, powered by a lot of AI, so it does not sound like it.

The GTM engineer can typically tier down your prospects for the SDR to reach out to the highest-value accounts…

Mich

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