AI · alternatives · 2026

24 alternatives to Sumi

Gmail AI Co-Pilot

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Gmail in the Gemini Era▲371

   Ask your inbox anything to get summaries, drafts, & more

   Jan 2026 · blog.google · its alternatives →

2. 2
   SkimAI▲176

   Transform your inbox into a hub of efficiency

   2024 · skim.page · its alternatives →

3. 3
   Read AI for Gmail▲172

   Capture conversations wherever they occur

   2024 · read.ai · its alternatives →

4. 4
   AI Mail Assistant▲63

   Generate, translate, summarize & improve emails

   2023 · chatgptservices.app · its alternatives →

5. 5
   Auto Gmail▲82

   Let AI draft answers to all your inbound emails

   2023 · chromewebstore.google.com · its alternatives →

6. 6
   Auto-Gmail▲132

   AI to draft answers to all your inbound emails

   2023 · tinymagic.app · its alternatives →

7. 7
   Prevent email forgery in Gmail using a Blockchain-powered architecture▲19

   Our AI Assistants sort your emails and draft replies, while Gmelius shared inboxes help your team take over conversations so you don't have to. Start for free.

   2018 · gmelius.com · its alternatives →

8. 8
   Harmony AI Voice Assistant▲273

   Manage email and calendar with voice

   2025 · useharmony.com · its alternatives →

9. 9
   Gmail Summarization▲90

   Extracting the most important sentences from an email thread

   2020 · chromewebstore.google.com · its alternatives →

10. 10
    EffortlessEmail▲139

    AI-powered email creation at your fingertip

    2023 · workspace.google.com · its alternatives →

11. 11
    HeyHelp▲237

    Gmail with a brain

    2025 · heyhelp.ai · its alternatives →

12. 12
    TextCraft AI▲181

    Smart inbox, smart emails - AI at your service

    2023 · chromewebstore.google.com · its alternatives →

13. 13
    Superflows▲476

    AI assistant for email - get to inbox zero faster

    2023 · superflows.ai · its alternatives →

14. 14
    Magic Email▲347

    Summarize and generate emails using GPT-3 in one click.

    2020 · automania.com.mx · its alternatives →

15. 15
    Briefly AI▲406

    AI meeting summaries, follow-up emails, and deliverables

    2023 · brieflyai.com · its alternatives →

16. 16
    SummyMonkey▲80

    AI to help revolutionize the way we work and learn

    2023 · its alternatives →

17. 17
    Inbox Zero by Persana▲97

    Persana AI Gmail assistant + people & company insights

    2023 · chromewebstore.google.com · its alternatives →

18. 18
    Inbox Narrator▲84

    AI-powered email summaries delivered by voice

    2023 · inboxnarrator.com · its alternatives →

19. 19
    EzMail.AI▲115

    Reply to emails 10X faster with pre-filled drafts by AI

    2023 · its alternatives →

20. 20
    AI Email Writer by Mailmeteor▲119

    The AI email writer that Google wishes they built

    2024 · chromewebstore.google.com · its alternatives →

21. 21
    Shortwave AI Assistant▲163

    Your AI-powered executive email assistant

    2023 · shortwave.com · its alternatives →

22. 22
    Gmelius – No Ads and Better User Interface for Gmail▲160

    Our AI Assistants sort your emails and draft replies, while Gmelius shared inboxes help your team take over conversations so you don't have to. Start for free.

    2013 · gmelius.com · its alternatives →

23. 23
    Shortwave Smart Summaries▲124

    AI email summaries, read less, do more

    2023 · shortwave.com · its alternatives →

24. 24
    Shortwave AI Email Assistant 2.0▲214

    The ultimate search, analysis, and productivity companion

    2024 · shortwave.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →