InstantlyTurn leads into clients with automated outreach, a B2B lead database, email deliverability tools, and an AI-powered CRM.
vs
MailgunTransactional Email API Service For Developers
Comparison · Email Marketing · weekly run Nov 2
Instantly vs Mailgun
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Mailgun is the stronger AI pick in Email Marketing: it has a visibility score of 0.9 versus 0 for Instantly.
Choose Instantly if…
- AI answers describe it more positively (28% vs 0% positive)
- Flat tiers pricing suits your budget better than usage-based
- Cost-effective platform for cold email outreach
- Strong for high-volume cold email outbound and lead generation
Choose Mailgun if…
- You want the brand AI engines rank higher (0.9 vs 0)
- You want a free plan to start
- You need SOC 2 Type II or ISO/IEC 27001 or ISO 27701 or GDPR compliant or HIPAA compliant or PCI-compliant SAQ-A merchant coverage
- You prefer a larger, established vendor (201–500 employees)
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Instantly | Mailgun |
|---|---|---|
| Visibility score | 0% | 0.9% |
| Change vs last week | New | New |
| Rank in Email Marketing | #48 | #36 |
| Share of voice | 0% | 0.2% |
| Mentions this run | 0 | 1 |
| Positive in AI answers | 28% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Instantly 0pp · Mailgun 0pp over 0 weekly runs.
Engine by engine
Mailgun leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
InstantlyMailgun
Head to head in AI answers
0 engine answers name both brands
0Instantly ranked higher
0Mailgun ranked higher
Features, pricing & fit
| Dimension | Instantly | Mailgun |
|---|---|---|
| Pricing model | Flat tiers | Usage-based |
| Entry price | $47 / mo | Free; paid from $15 / mo |
| Free plan | No | Yes |
| Deployment | Web-based | Cloud, hosted in US and EU regions |
| Integrations | 50+ | — |
| Compliance | — | SOC 2 Type II, ISO/IEC 27001, ISO 27701, GDPR compliant, HIPAA compliant, PCI-compliant SAQ-A merchant |
| Support | Chat support, Premium live support, Dedicated account manager and shared Slack channel on Enterprise plans | Knowledge Center, Documentation, Ticket support, Chat support on higher plans |
| Founded | 2021 | 2010 |
| Headquarters | Sheridan, Wyoming, United States | — |
| Employees | 51–200 | 201–500 |
| Funding | Bootstrapped | Growth investment (Thoma Bravo) · $51M raised |
| Best for | Small teams, agencies and freelancers running cold email outbound at scale. | Developers and engineering teams that need to send transactional and marketing email through an API |
Plans side by side
Instantly
Outreach Growth$47month
Outreach Hypergrowth$107month
Outreach Light Speed$358month
Outreach EnterpriseCustomcustom
Credits Growth$47month
Credits Supersonic$97month
Hyper Credits$197month (from)
Credits EnterpriseCustomcustom
Starter Bundle$94month
Scale Bundle$194month
Agency Bundle$555month
VIPCustomcustom
Mailgun
Free$0month
Basic$15month (10,000 emails included)
Foundation$35month (50,000 emails included)
Scale$90month (100,000 emails included)
EnterpriseCustomcustom
Pros and cons
Themes from the AI answers that mention each brand
Instantly
- Cost-effective platform for cold email outreach
- Strong for high-volume cold email outbound and lead generation
- Deliverability, warm-up and sending infrastructure
- Good for agencies managing many sending accounts
- Highest G2 rating among sales engagement platforms
- Narrow focus on cold email rather than an all-in-one platform
- Not a complete CRM or full sales engagement suite
Mailgun
- recommended for sending larger volumes programmatically
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Instantly vs Mailgun”, https://slateindex.ai/compare/instantly-vs-mailgun, data of Nov 2, 2026. Licence: CC BY 4.0.