# Best Sales & marketing agents — Seat model

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

4 of 8 sales & marketing agents have a confirmed yes for “Seat model”. 3 are qualified or tier-scoped, 1 are confirmed no, and 0 remain not established. Only confirmed yes answers appear in this set; an unknown is never treated as a negative.

| # | Name | What it is | Pricing | API |
| --- | --- | --- | --- | --- |
| 1 | [11x](https://theagentsindex.com/11x.md) | AI SDR and AI phone agent that run outbound and inbound pipeline for revenue teams | paid | Yes |
| 2 | [Amplemarket](https://theagentsindex.com/amplemarket.md) | AI sales platform with buying-signal detection, prospect data and multichannel outreach | paid | Yes |
| 3 | [Unify](https://theagentsindex.com/unify.md) | AI outbound agents that research accounts, build prospect lists and run email sequences | freemium | Yes |
| 4 | [Warmly](https://theagentsindex.com/warmly.md) | Identifies anonymous website visitors and runs AI inbound chat and outbound orchestration for B2B revenue teams. | paid | Yes |

## Methodology

Projected from the live listing datasheets using the tenant’s “Per seat, and is there a floor or a ceiling?” axis. Membership requires a sourced yes; partial and unknown answers are reported above but excluded from the ranking. Entries retain the directory’s paid-tier ordering, visibly labelled on every promoted card.