Compare/Head to head
AgentMail Bot vs Arbi
Same facts, side by side: starting price, free tier, MCP, API and what each one is actually built for.
Starting price
AgentMail Bot
Quote Free tier
Arbi
$79/mo
Arbi, from Neuroscale AI, puts plain-English sourcing, criteria-based screening, email sequences and spoken AI interviews in one platform. Per-seat plans run $79, $179 and $279/mo billed annually, each with a monthly credit allowance for contact unlocks. It fits small in-house teams and agencies that want one tool in place of separate sourcing and interview products.
Where Arbi fits
- Small in-house teams that want sourcing, screening and first-round interviews in one tool
- Agencies screening large applicant stages against written criteria
- Federal, defense and regulated employers that need SOC 2 and ISO 27001 reports
At a glance
| Detail | AgentMail Bot | Arbi |
|---|---|---|
| Starting price | Quote | $79/mo |
| Free tier | ✓Yes | –No |
| MCP server | ✓Yes | –No |
| Public API | ✓Yes | –No |
| Listed under | Grok bots, AI outreach | AI sourcing, AI interviewing, AI outreach, Sourcing |
Where they pull apart
AgentMail Bot
Arbi
Stands out: The Arbitrator screener shows the profile evidence behind every good, partial or poor verdict and can re-score an entire stage when criteria change. The AI interviewer runs spoken rounds with a whiteboard for system design questions and a candidate practice round. Neuroscale also lists federal and defense teams as a target, backed by SOC 2 Type II and ISO 27001.
Watch out: Contact details cost credits (2 per unlock), and Solo includes only 500 credits a month, which Neuroscale says covers about one requisition worked end to end. ATS integration is not listed on Solo or Growth and costs $100/mo extra on Business. Sourcing agents and usage analytics on Business are still marked as coming soon.
Not the right fit for
- Solo recruiters who unlock hundreds of contacts a month on the Solo credit allowance
- Teams on Solo or Growth that need two-way ATS sync
- Buyers who only want a contact-data lookup tool
Pros and cons
AgentMail Bot
Arbi
- Sourcing, screening, outreach and AI interviews in one tool
- Screening verdicts cite profile evidence per criterion
- Published per-seat prices with monthly billing option
- Contact unlocks draw down a limited credit allowance
- ATS sync is a paid add-on on Business
- Some Business features are still marked coming soon
What each one costs
AgentMail Bot
Quote
Free tier: 3 inboxes and 3,000 emails/month, no card. Custom domain and volume on paid plans. Confirm current terms on the vendor site.
Checked 11 Sep 2026
Arbi
$79/mo
Arbi is priced per seat. Solo is $79/mo per seat billed annually or $99/mo month to month, with 1 seat, 500 credits a month and 1 sender mailbox. Growth is $179/mo per seat billed annually or $199/mo monthly, for up to 3 seats with 2,000 credits a month and 3 mailboxes. Business is $279/mo per seat billed annually or $299/mo monthly, for up to 10 seats with 4,000 credits a month and 6 mailboxes; ATS integration on Business is a $100/mo add-on. Enterprise is quoted and adds SSO/SCIM, custom credits and white glove onboarding.
Credits are spent on unlocks: 2 credits per contact unlock, 1 to 2 credits per real-time signal run and 1 credit per branded export. Searching, filtering, screening and replying do not use credits. Annual billing saves $240 per seat a year against monthly. Confirm current terms on the vendor site.
Checked 28 Sep 2026
Common questions
Can you try AgentMail Bot or Arbi for free?
AgentMail Bot carries a free tier on our listing.
Does AgentMail Bot or Arbi have an MCP server?
AgentMail Bot ships a first party MCP server, so an AI assistant can work the product directly.
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Editorial listings, never paid rankings. Prices checked 11 Sep 2026. Confirm current terms on the vendor site. Spot an error?