# The Best AI Sales & Marketing Agents (2026)

> Source: https://theagentsindex.com/best-ai-sales-marketing-agents (curated, quality-gated, re-verified)

Every tool in this category gets called an "AI sales agent," but the five Published here are built for four genuinely different jobs, not one head-to-head contest. Clay is fundamentally a GTM data and enrichment platform — Claygent, its AI research agent, is one feature layered on top of waterfall enrichment across 200+ data providers, not a dedicated sales rep. 11x (Alice) and Artisan (Ava) are both autonomous outbound AI SDR/BDRs, built to prospect cold and run the entire outreach motion end to end — the one real head-to-head matchup in this set. Qualified (Piper) is the functional opposite of both: an inbound agent that engages visitors and leads who are already on your site or in your inbox, wired natively into Salesforce.

A fifth job, orthogonal to all three above: Rox doesn't generate or convert leads at all — it assigns a persistent AI agent to every account already in your pipeline, continuously researching and monitoring it and keeping your existing CRM (Salesforce/HubSpot) up to date, queried in plain English rather than through a dashboard. It's the only listing in this category built to complement a CRM instead of running a lead motion inside or around it — and, notably, the only enterprise-shaped entrant here with a genuine free self-serve tier alongside Clay.

One honest, cross-cutting caveat applies specifically to the two outbound specialists: both 11x and Artisan have real, independently reported controversies from the past year and a half that a buyer should weigh alongside the product itself. TechCrunch reported in March 2025 that 11x had displayed logos of companies, including ZoomInfo and Airtable, that said they were not customers and had not granted permission, alongside former-staff accounts of high early churn. Artisan went through a roughly three-week LinkedIn company-page ban (Dec 2025–Jan 2026) after a data vendor it used scraped LinkedIn in violation of its terms, and settled a dispute over unauthorized use of a cartoonist's artwork in ad creative within the month — Artisan pulled the ads after KC Green, creator of the "This Is Fine" webcomic, said the campaign used his character without permission. Neither issue means the product does not work — both companies are real, funded and used by paying customers — but it is exactly why a measured pilot on your own reply and booking data matters more here than a features comparison alone.

| # | Name | What it is | Pricing | API |
| --- | --- | --- | --- | --- |
| 1 | [Clay](https://theagentsindex.com/clay.md) | GTM data platform with an AI research agent (Claygent), enrich, research and personalise outbound at scale. | Free | Yes |
| 2 | [11x](https://theagentsindex.com/11x.md) | AI "digital workers" for sales, Alice runs autonomous outbound; Julian is an AI voice agent. | $3,750 / month | Yes |
| 3 | [Artisan](https://theagentsindex.com/artisan.md) | Ava, the AI BDR, an autonomous sales agent that sources leads, runs multi-channel outbound and books meetings without a human writing each message. | Custom | No |
| 4 | [Qualified](https://theagentsindex.com/qualified.md) | Piper, the inbound AI SDR, engages website visitors in real time, qualifies them against your ICP and books the meeting. Salesforce-native; Salesforce itself acquired the company in April 2026. | Custom | Yes |
| 5 | [Rox](https://theagentsindex.com/rox.md) | An AI-native revenue operating system, "agent swarms" (one per account) that research, monitor and update your existing CRM across the whole deal lifecycle, with a genuine free self-serve tier. | Free | No |

## Methodology

Every entry is a Published listing that already cleared this site's per-listing quality gate — sourced facts, admitted weaknesses, a "best for" and a "not for," re-verified on a rolling cadence (see /methodology). sales-marketing-agents was the last sub-8-member category in theagentsindex's "Agents" group to clear the programmatic engine's 4-listing minimum for a standalone ranking and has since grown to 5 (coding-agents already has 14 Published listings and is covered adequately by the flagship /best-ai-agents grouping instead). The ordering here runs from the broadest tool (a GTM data platform with an AI research agent built in) through the two head-to-head autonomous outbound AI SDR/BDR plays and the sole inbound specialist, closing with the one built to monitor accounts you already have rather than generate or convert new ones, since the five serve genuinely different jobs rather than one "best overall" pick. The live score chip on every card (evidence, honesty, depth, freshness) is computed the same way as that tool's own listing page.