Clay 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 2.9 for Clay, and ranks ahead in 100% of the answers that name both.
Choose Clay if…
- You want a free plan to start
- You need SOC 2 Type II or ISO 27001 or CCPA coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
- Usage-based pricing suits your budget better than flat tiers
Choose Reply.io if…
- You want the brand AI engines rank higher (14.4 vs 2.9)
- You want a lower entry price ($49 vs $167)
- AI answers describe it more positively (42% vs 33% positive)
- You need SOC 2 coverage
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Clay | Reply.io |
|---|---|---|
| Visibility score | 2.9% | 14.4% |
| Change vs last week | down−1.5% | down−3.3% |
| Rank in Sales Engagement | #25 | #6 |
| Share of voice | 1.2% | 3.5% |
| Mentions this run | 9 | 23 |
| Positive in AI answers | 33% | 42% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Clay −1.5000000000000004pp · 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
3 engine answers name both brands
| Prompt | Engine | Clay | Reply.io |
|---|---|---|---|
| Best sales engagement platform for startups | ChatGPT | #8 | #4 |
| Best sales engagement platform with AI features | ChatGPT | #11 | #5 |
| Which sales engagement platform offers a free trial? | Perplexity | #13 | #4 |
Features, pricing & fit
| Dimension | Clay | Reply.io |
|---|---|---|
| Pricing model | Usage-based | Flat tiers |
| Entry price | Free; paid from $167 / mo | $49 / mo |
| Free plan | Yes | No · 14-day trial |
| Compliance | SOC 2 Type II, ISO 27001, GDPR, CCPA | SOC 2, GDPR |
| Support | Priority support queue on Growth plan, Dedicated Slack channel on Enterprise plan, Dedicated growth strategist on Enterprise plan | Live chat, Email, CSM onboarding |
| Founded | 2017 | 2014 |
| Headquarters | New York City, NY, United States | San Jose, California, US |
| Employees | 1,001–5,000 | 51–200 |
| Funding | Series B Expansion | Series A |
| Best for | GTM engineers and revenue teams that build their own prospecting, enrichment and outbound workflows. | Founders, sales teams, and agencies who need results fast without juggling 5+ tools. |
Plans side by side
Clay
Reply.io
Pros and cons
Themes from the AI answers that mention each brand
Clay
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, “Clay vs Reply.io”, https://slateindex.ai/compare/clay-vs-reply-io, data of Nov 3, 2026. Licence: CC BY 4.0.