Side by side
InboxPilot vs thread.
Both stand on ai email assistants. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
InboxPilot combines reply drafting, routing, and configurable workflows, with human review as the default. Its plans set monthly conversation limits, and the Outlook connection does not support Microsoft 365 shared mailboxes.
Visit InboxPilotChoose thread. if you write a lot of email and want a draft based on the conversation in Gmail or Outlook. The extension itself has no subscription, but you need an OpenAI API key and pay OpenAI for usage. Consider its data flow: requested drafts send email content and prompts to OpenAI, which may retain them under its policy.
Visit thread.The facts
| InboxPilot | thread. | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | Self-hosted, Web | Extension |
| Lowest paid plan | Starter: $32 a month | Free or on request |
| Plans published | 4 | 1 |
| Maker | Not published | Not published |
| Website | inboxpilot.co | usethreademail.com |
| On ai email assistants | #27 of 46 | #23 of 46 |
InboxPilot: what it does well
- Uses company documents and connected tools for drafts
- Routes email and supports workflow actions
- Lists integrations including Gmail, Outlook, and Slack
- Offers self-hosted deployment on Scale
What to know first
- Outlook support excludes Microsoft 365 shared mailboxes
- Starter includes 300 conversations per month
- Extra conversations cost $0.05 each on early plans
- No free plan
thread.: what it does well
- Uses the full open email thread as reply context.
- Can use three to five past emails to match writing style.
- Offers seven drafting modes.
- Drafts appear word by word as they are generated.
- Inserts drafts above the signature for review.
What to know first
- Requires your own OpenAI API key.
- AI usage is billed directly by OpenAI.
- Email content and prompts are sent to OpenAI when drafting.
- OpenAI may retain prompts and responses under its own policy.
Alternatives to InboxPilot Alternatives to thread. The whole list