Gmail 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 6.8 for Gmail, and ranks ahead in 80% of the answers that name both.
Choose Gmail if…
- You need ISO 27001 or ISO 27017 or ISO 27018 or ISO 27701 or SOC 3 coverage
- You prefer a larger, established vendor (5,000+ employees)
- Works well for Gmail-based and Google Workspace teams
- Integrates Gmail and Outlook with calendars for sending, tracking and booking
Choose Reply.io if…
- You want the brand AI engines rank higher (14.4 vs 6.8)
- You need 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 | Gmail | Reply.io |
|---|---|---|
| Visibility score | 6.8% | 14.4% |
| Change vs last week | down−0.4% | down−3.3% |
| Rank in Sales Engagement | #15 | #6 |
| Share of voice | 2.1% | 3.5% |
| Mentions this run | 14 | 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
Gmail −0.5pp · 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
5 engine answers name both brands
| Prompt | Engine | Gmail | Reply.io |
|---|---|---|---|
| What are the best Sales Engagement tools in 2026? | Perplexity | #10 | #6 |
| Alternatives to the most popular sales engagement platform | ChatGPT | #9 | #4 |
| Alternatives to the most popular sales engagement platform | Perplexity | #8 | #5 |
| Most affordable sales engagement platform that is still reliable | ChatGPT | #7 | #9 |
| Which sales engagement platform offers a free trial? | AI Mode | #5 | #2 |
Features, pricing & fit
| Dimension | Gmail | Reply.io |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | $49 / mo |
| Free plan | — | No · 14-day trial |
| Compliance | ISO 27001, ISO 27017, ISO 27018, ISO 27701, SOC 2, SOC 3 | SOC 2, GDPR |
| Support | 24/7 support | Live chat, Email, CSM onboarding |
| Founded | — | 2014 |
| Headquarters | Mountain View, California | San Jose, California, US |
| Employees | 5,000+ | 51–200 |
| Funding | — | Series A |
| Best for | — | Founders, sales teams, and agencies who need results fast without juggling 5+ tools. |
Plans side by side
Gmail
Pricing not available.
Reply.io
Pros and cons
Themes from the AI answers that mention each brand
Gmail
- Works well for Gmail-based and Google Workspace teams
- Integrates Gmail and Outlook with calendars for sending, tracking and booking
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, “Gmail vs Reply.io”, https://slateindex.ai/compare/gmail-vs-reply-io, data of Nov 3, 2026. Licence: CC BY 4.0.