6sense vs FuseAI (2025): Which One’s Right for Your Revenue Team?

25 August, 2025

7 min read

TL;DR

Choose 6sense if you’re an enterprise marketing org running ABM + programmatic ads, want broad 3rd-party intent, and can invest in heavier onboarding and multi-year contracts for $100K+ deals.

Choose FuseAI if you’re a startup/scaleup or modern RevOps team that needs contact-level data, website de-anonymization, advanced filters, embedded waterfall enrichment, and agentic execution—with transparent pricing from $50/mo and 5–10× conversion uplifts in outbound.

Quick Verdict

  • Best for ABM advertising + 3rd-party intent: 6sense

  • Best for sales execution + contact-level personalization + real-time website insights: FuseAI

Product Overview

6sense (ABM + Intent + Ads)

6sense is an AI-powered ABM platform best known for broad intent signals (500B+ monthly), account-level surge scoring, and dynamic audience building. It’s widely used by mid-market/enterprise marketing teams for ad retargeting and ABM orchestration.

Strengths

  • Account-level surge/intent coverage

  • Dynamic audience segmentation (80+ filters)

  • Ad retargeting and orchestration

Trade-offs

  • Primarily identifies companies, not contacts

  • Learning curve for orchestrations/workflows

  • Opaque pricing and multi-year contracts

FuseAI (Sales Superintelligence + Website ID + Enrichment)

FuseAI is a sales operating system with Waterfall Enrichment, website de-anonymization, and advanced filteringbuilt natively into its platform. It combines first-party website signals with contact-level resolution, then uses agentic AIto execute personalization and outreach automatically.

Strengths

  • Website de-anonymization down to the contact level (not just company)

  • 80+ advanced filters for ICP building, segmentation, and real-time cohorting

  • Waterfall Enrichment across premium data sources for world-class accuracy

  • Customer Knowledge Graph “clones” each buyer archetype for hyper-personalized models

  • End-to-end agentic execution (list building → enrichment → outreach → optimization)

  • Transparent pricing starting at $50/month

Trade-offs

  • Doesn’t replace DSPs for paid media-heavy ABM

  • Optimized for sales pipeline creation, not pure ad reach

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Cloud-Based Champions

Feature

Primary motion

6sense: ABM + ad orchestration

Fuse AI: Sales execution + personalization

Identity resolution

6sense: Company-level website ID

Fuse AI: Contact-level de-anonymization

Data enrichment

6sense: Company/intent enrichment

Fuse AI: Embedded Waterfall Enrichment

Filters & segmentation

6sense: 80+ filters

Fuse AI: 80+ filters + outcome-based cohorting

Intent signals

6sense: Strong 3rd-party intent

Fuse AI: First-party site signals + contact engagement

Sales agents

6sense: None (marketing orchestration focus)

Fuse AI: Agentic AI SDR/AE/RevOps

Dashboards

6sense: ABM & buying stage

Fuse AI: Pipeline + conversion optimization

Ease of use

6sense: Steep learning curve

Fuse AI: Minutes-to-launch

Pricing

6sense: Opaque, multi-year

Fuse AI: Transparent, starts $50/mo

Best fit

6sense: Enterprise ABM

Fuse AI: Startups/scaleups, sales execution

Feature

6sense

Fuse AI

Primary motion

ABM + ad orchestration

Sales execution + personalization

Identity resolution

Company-level website ID

Contact-level de-anonymization

Data enrichment

Company/intent enrichment

Embedded Waterfall Enrichment

Filters & segmentation

80+ filters

80+ filters + outcome-based cohorting

Intent signals

Strong 3rd-party intent

First-party site signals + contact engagement

Sales agents

None (marketing orchestration focus)

Agentic AI SDR/AE/RevOps

Dashboards

ABM & buying stage

Pipeline + conversion optimization

Ease of use

Steep learning curve

Minutes-to-launch

Pricing

Opaque, multi-year

Transparent, starts $50/mo

Best fit

Enterprise ABM

Startups/scaleups, sales execution

Data Quality & Depth

  • 6sense excels at breadth of intent (searches, categories, surge signals). Ideal for which accounts are heating up

  • FuseAI delivers accuracy at contact level, with website de-anonymization plus Waterfall Enrichment. Its Customer Knowledge Graph adapts enrichment to each client’s ICP, refining continuously with live outcomes.

Bottom Line

6sense is broad but account-focused. FuseAI is precise, contact-focused, and adaptive.

Orchestration & Execution

Fuse AI

Orchestrates ABM ads and campaigns, good for awareness + nurture.

6sense

Orchestrates sales execution end-to-end, from enrichment to personalization and omni-channel engagement, including website visitors in real time.

Pricing & Contracts

Fuse AI

Premium-priced, usually multi-year. Average contracts ~$50k+. Free tier (50 credits) is too limited for serious use.

6sense

Starts at $50/month, scales flexibly. Accessible for startups but powerful enough for enterprises.

Feature

6sense

Fuse AI

Orchestration & Execution

Orchestrates ABM ads and campaigns, good for awareness + nurture.

Orchestrates sales execution end-to-end, from enrichment to personalization and omni-channel engagement, including website visitors in real time.

Pricing & Contracts

Premium-priced, usually multi-year. Average contracts ~$50k+. Free tier (50 credits) is too limited for serious use.

Starts at $50/month, scales flexibly. Accessible for startups but powerful enough for enterprises.

Which Should You Pick?

Choose 6sense if:

  • You’re running ABM advertising at enterprise scale

  • You need broad 3rd-party intent coverage

  • You have resources for a heavier setup and multi-year commitment

Choose FuseAI if:

  • You want website de-anonymization at the contact level

  • You need advanced filters plus Waterfall Enrichment in one platform

  • You expect 5–10× conversion uplifts from precise, personalized outreach

  • You prefer transparent, startup-friendly pricing

Final Take

Both platforms solve revenue intelligence, but from opposite angles:

  • 6sense is a marketing-first ABM engine: strong for advertising, surge scoring, and enterprise-scale targeting.

  • FuseAI is a sales-first superintelligence platform: strong for enrichment, personalization, website ID, and agentic execution that converts conversations into pipeline.

If your goal is awareness and advertising reach → go 6sense.
If your goal is meetings booked, pipeline created, and deals closed → go FuseAI.