Oxygenvs
Instantly
For email-only outbound, Instantly costs less per email: Hypergrowth sends 125,000 emails a month for $77.60, billed yearly. Oxygen is for sequences that also need LinkedIn or WhatsApp steps, and for teams that want the CRM and the list building in the same workspace.
Choose Instantly ifChoose Oxygen if| Topic | Instantly | Oxygen |
|---|---|---|
| Channels | Email. Calls and SMS come with its separate CRM plan, LinkedIn through a third-party tool. | Email, LinkedIn and WhatsApp steps in one sequence, plus calls from a web softphone. |
| Price | By email volume: Growth is $37.60 a month for 5,000 emails, Hypergrowth $77.60 for 125,000, billed yearly. | By credits: one plan from $49 a month. Sending is free; you pay for the inboxes and accounts that send. |
| Mailboxes | Unlimited sending accounts on every plan. Done-for-you Google accounts from $5 a month. | Managed Google Workspace inboxes at $4 a month with warm-up, or your own mailbox for $1. |
| Deliverability | A warm-up network it puts at 4.2M+ accounts, inbox placement tests, and dedicated servers with IP rotation on Light Speed. | Warm-up with every inbox, plus sender health and daily limits per mailbox. |
| Lead data | A 450M+ lead database and a work-email waterfall across 5+ providers, on a separate credit plan. | Waterfalls across 30+ providers in a table, paid from the same credits as everything else. |
| CRM | Its own CRM, sold as a separate plan. Most CRM syncs are one-way. | Accounts, contacts, deals and activities included, with replies on the record. |
| Credits | Lead credits expire 2 months after purchase on monthly plans, 1 year on yearly. | Top-up credits never expire. |
| Free plan | A 14-day trial: 2 mailboxes, 1,000 emails, no API. | A free workspace with 1,000 credits and no time limit. Sending needs a paid plan. |
Connect Instantly with your API key, on the $99 plan or above, and Oxygen pushes rows from any table into a campaign you already run there. Each push shows a preview and waits for your approval. A call on your own key costs 0.05 credits.
Not itself. Instantly's own documentation points to a third-party tool for LinkedIn. Oxygen runs LinkedIn invites and messages as steps in the same sequence as email.
For email volume, Instantly: Hypergrowth sends 125,000 emails a month for $77.60 billed yearly, with lead credits on a separate plan. Oxygen starts at $49 a month. Sending is free and each Google Workspace inbox is $4 a month, so the cost follows your inboxes, not your email count.
Yes. Instantly ships an official MCP server that exposes its whole API, and a CLI. Oxygen has an MCP server and a CLI too, plus a Copilot in the web app.
Instantly details checked on October 14, 2026 from Instantly pricing, plans comparison, developer docs and Oxygen pricing. Instantly is a trademark of its owner and is not affiliated with Oxygen. Something out of date? Tell us.