6sense vs Reply.io
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Reply.io is the stronger AI pick in Sales Engagement: it has a visibility score of 14.4 versus 0.3 for 6sense.
Choose 6sense if…
- You need ISO/IEC 27001:2022 or SOC 2 Type 2 or TRUSTe GDPR validation coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
Choose Reply.io if…
- You want the brand AI engines rank higher (14.4 vs 0.3)
- You need SOC 2 or GDPR coverage
- Multichannel outreach and AI-assisted engagement across email, calls, LinkedIn and more
- 14-day free trial to test core sequencing and automation
AI visibility side by side
Latest weekly run · Nov 3
| Metric | 6sense | Reply.io |
|---|---|---|
| Visibility score | 0.3% | 14.4% |
| Change vs last week | down−0.4% | down−3.3% |
| Rank in Sales Engagement | #42 | #6 |
| Share of voice | 0.1% | 3.5% |
| Mentions this run | 1 | 23 |
| Positive in AI answers | — | 42% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
6sense −0.39999999999999997pp · Reply.io −3.299999999999999pp over 1 weekly runs.
Engine by engine
Reply.io leads on 3 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | 6sense | Reply.io |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | $49 / mo |
| Free plan | — | No · 14-day trial |
| Deployment | Subscription SaaS, priced by seat with extra fees tied to feature usage. | — |
| Compliance | ISO/IEC 27001:2022, SOC 2 Type 2, TRUSTe GDPR validation | SOC 2, GDPR |
| Support | Dedicated customer success managers, Quarterly business reviews | Live chat, Email, CSM onboarding |
| Founded | 2013 | 2014 |
| Headquarters | San Francisco, California, United States | San Jose, California, US |
| Employees | 1,001–5,000 | 51–200 |
| Funding | Series B · $426M raised | Series A |
| Best for | Sales and marketing teams at B2B organizations. | Founders, sales teams, and agencies who need results fast without juggling 5+ tools. |
Plans side by side
6sense
Pricing not available.
Reply.io
Pros and cons
Themes from the AI answers that mention each brand
6sense
Profile in progress.
Reply.io
- Multichannel outreach and AI-assisted engagement across email, calls, LinkedIn and more
- 14-day free trial to test core sequencing and automation
- Transparent self-serve pricing with annual discounts
- Affordable, lower-cost option
- Strong choice for smaller and mid-market sales teams
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “6sense vs Reply.io”, https://slateindex.ai/compare/6sense-vs-reply-io, data of Nov 3, 2026. Licence: CC BY 4.0.