Slashy Review (2026): Pricing, Features & Honest Verdict

Reviewed by MakerStack · Published · 6 min read

TLDR

Slashy is an AI email client that drafts replies, files your inbox, schedules meetings, and connects to Claude and ChatGPT through MCP. We found it genuinely fast and well built, but it is pricey for a single user and asks you to switch your whole email life into it. Best for: founders, execs, and sales reps drowning in email. Price: from $25/user/mo billed annually (no free plan, 7-day trial). Rating: 7.2/10.

What is Slashy?

Slashy is an AI-powered email client that tries to do the boring half of your inbox for you. It connects to Gmail and reads, sorts, drafts, and schedules on your behalf. Instead of you opening every message and typing every reply, Slashy drafts responses in your voice, archives the noise automatically, categorizes what is left, and pulls meeting requests straight into your calendar. The pitch is simple: spend less time inside your inbox and more time on the work that actually matters.

What makes Slashy interesting in mid-2026 is how deep it goes on automation and how it plugs into the AI tools people already use. It is a Y Combinator company, and it shows in the focus: this is not a thin ChatGPT wrapper bolted onto Gmail. It exposes your email to Claude and ChatGPT through MCP, connects to CRMs like HubSpot and Attio, and carries SOC 2 Type II compliance plus HIPAA support, which is rare for a young email startup. We found a real, shipping product with a working trial, not a waitlist. It is competing in a crowded category, though, against Superhuman and Shortwave, so the bar for “worth switching” is high.

What Are Slashy’s Key Features?

AI drafting and replies

The core of Slashy is AI that writes your email. It reads an incoming message, understands the thread, and drafts a reply in your tone that you can send, edit, or discard. For anyone who answers the same kinds of messages all day, this is the feature that earns the subscription. The drafts are not generic filler. They pull context from the conversation, which means the suggested reply is usually close enough to send with a quick scan. The value scales with your volume: the more email you get, the more time this saves.

Automatic triage and categorization

Slashy archives spam and low-value mail automatically and sorts the rest into categories so your inbox is not a single undifferentiated pile. This is the unglamorous work that makes an inbox usable, and Slashy does it without you writing filter rules by hand. The effect is a quieter inbox where the messages that need a human are easy to find. It is the same instinct behind Superhuman’s Split Inbox, done with AI doing the sorting instead of you configuring it.

Smart calendar and scheduling

Slashy handles meeting scheduling across teams and time zones. When a thread is clearly trying to find a time, Slashy can propose slots, manage the back and forth, and put the meeting on your calendar. It also prepares meeting summaries so you walk in knowing the context. For founders and sales reps who lose real hours to scheduling ping-pong, folding this into the email client where the conversation already lives is a sensible design.

MCP and CRM integrations

This is what sets Slashy apart from older AI email tools. It connects to Claude and ChatGPT through MCP, so you can drive your email from an AI assistant you already use, and it integrates with CRMs like HubSpot, Attio, and the Granola notetaker. For a sales team, that means email actions can flow into the pipeline without copy-paste. For an AI power user, it means your inbox becomes another tool your assistant can operate. This integration depth is the strongest argument for picking Slashy over a more closed competitor.

How Much Does Slashy Cost?

Slashy starts at $25 per user per month billed annually, or $30 per month if you pay monthly. There is a 7-day free trial, but it requires a credit card, and there is no permanent free plan once the trial ends. The Professional tier includes the full AI feature set, unlimited inboxes, and unlimited automations. The Enterprise tier moves to custom pricing and adds a dedicated account manager, SSO and SCIM, automated team setup, and custom security controls.

That pricing lands it right next to Superhuman, which runs around $30 per month and is the obvious comparison. Shortwave is cheaper, with a free tier and paid plans that start lower, and Missive offers a free plan for small teams. So Slashy is not the cheap option. It is priced as a premium tool and has to justify that against Superhuman’s polish and speed. The MCP and CRM integrations are the differentiator that can make the case, but a solo user paying $25 a month for email automation should be sure they have the volume to get the value back.

The honest read is that the price is fair for the heaviest users and steep for everyone else. If email is a genuine bottleneck in your day, $25 a month to claw back an hour is easy math. If you get a manageable amount of mail, the free or cheaper tiers of competitors will cover you for less.

PlanPricePlan FeaturesBest For
Professional$25/user/mo (annual)Full AI features, unlimited inboxes and automations, calendar and team collaborationIndividuals and teams
EnterpriseCustomAdds SSO/SCIM, dedicated account manager, custom onboarding and securityLarger organizations

Who is Slashy Best For?

Use Slashy if you live in your inbox: a founder, an executive, a customer-facing operator, or a sales rep who handles a high volume of email and books a lot of meetings. The AI drafting and auto-triage pay off in direct proportion to how much email you get, and the MCP plus CRM integrations make it especially strong for sales teams already running HubSpot or Attio, or for AI power users who want to operate their inbox from Claude or ChatGPT.

Skip Slashy if your email volume is light, because you will not generate enough drafting and triage work to justify $25 a month. Skip it too if you are not comfortable handing an AI deep access to your inbox, or if you are happy with the email client you already use. Switching email clients is a real cost in habit and muscle memory, and Slashy has to be clearly better for you, not just newer, to be worth it.

  • Great fit: high-volume founders, execs, and sales reps who want AI to draft and triage, especially HubSpot or Attio users
  • Poor fit: light email users, anyone wary of AI inbox access, people content with their current client

Best Slashy Alternatives

Superhuman

Superhuman is the premium email client Slashy is most directly chasing. It is famous for speed, keyboard shortcuts, and a polished AI layer that drafts and summarizes, and it costs around $30 per month. Superhuman has years of refinement and a devoted user base. Choose Superhuman if you want the most proven, fastest premium client. Choose Slashy if the MCP and CRM integrations matter more to you than Superhuman’s track record, since that is where Slashy goes deeper.

Shortwave

Shortwave is an AI email client built on top of Gmail with strong AI summarization, search, and assistant features, and it is cheaper than Slashy, with a free tier and lower-cost paid plans. It is a great middle ground for people who want serious AI email features without premium pricing. Choose Shortwave if budget matters and you still want a capable AI inbox. Choose Slashy if you want the deeper automation and the integrations into AI assistants and CRMs.

Missive

Missive is a team-focused email and collaboration client with shared inboxes, internal chat, and assignment workflows, and it offers a free plan for small teams. It is the better pick when email is a team sport, like a shared support or sales address. Choose Missive if collaboration around shared inboxes is the point. Choose Slashy if you want a personal AI email client that automates your individual workflow rather than coordinating a team.

Final Verdict: Is Slashy Worth It?

Slashy earns a 7.2. It is a well-made AI email client that does the genuinely useful things, drafting, triage, and scheduling, and then goes further than most rivals with MCP and CRM integrations that let your AI assistant and your pipeline talk to your inbox. For a founder, executive, or sales rep buried in email, it can quietly give back an hour a day, and the SOC 2 and HIPAA posture make it credible for serious use despite being a young product.

The rating is held back by price and category gravity, not by quality. At $25 per user per month with no free plan, Slashy sits in premium territory next to Superhuman, and switching email clients is never free. If you have the volume, run the 7-day trial and judge the drafts against your real inbox; the integrations may well seal it. If your email is light or you are happy where you are, a cheaper option like Shortwave or your current client will serve you fine. Slashy is a strong tool for the right heavy user, and an expensive luxury for everyone else.

Slashy Pros & Cons

What We Like

  • AI drafts replies in your voice that are usually close enough to send as-is
  • Automatic spam archiving and AI categorization keep the inbox quiet
  • Deep integrations: MCP for Claude and ChatGPT plus HubSpot, Attio, and Granola
  • SOC 2 Type II and HIPAA support, rare for a young email startup

What Could Be Better

  • No free plan, and $25/user/mo sits in premium territory next to Superhuman
  • Moving your entire email workflow into a new client is a real switching cost
  • Requires giving an AI deep access to your inbox

Slashy FAQ

What is Slashy?

Slashy is an AI email client that drafts replies in your voice, automatically triages and categorizes your inbox, schedules meetings, and connects to Claude and ChatGPT through MCP. It is built to cut the time you spend managing email.

How much does Slashy cost?

Slashy starts at $25 per user per month billed annually, or $30 month to month. There is a 7-day free trial that requires a credit card, plus an Enterprise tier with custom pricing. There is no permanent free plan.

Is Slashy worth it?

For founders, executives, and sales reps who handle a high volume of email, yes: the AI drafting and triage can give back an hour a day. For light email users, the price is hard to justify against cheaper rivals.

What are the best Slashy alternatives?

The main alternatives are Superhuman (around $30/mo), Shortwave (cheaper, with a free tier), and Missive (team-focused with a free plan).

Does Slashy offer a free plan?

No. Slashy has a 7-day free trial that requires a credit card, but no permanent free plan once the trial ends.

Who is Slashy best for?

Slashy is best for high-volume founders, executives, operators, and sales reps, especially teams already using HubSpot or Attio, or AI power users who want to run their inbox from Claude or ChatGPT.

Disclosure: MakerStack is funded by featured placement fees, sponsor slots and a small number of affiliate links. Nobody paid for this review. Where any of those does apply to a review, we say so on the page. The scoring criteria are the same in every case. See our editorial policy.