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Mailbox MCP vs GPT Omni

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Mailbox MCP compared with GPT Omni
DetailMailbox MCP logo Mailbox MCP GPT Omni
What it doesConnect Claude, ChatGPT or any AI to your email mailbox Free access to GPT-4o with a user-friendly chatting interface
StageEstablished Not given
Founded2002 Not given
Based inGB Not given
Pricing modelFreemium Not given
PricingFree: 5 calls per mailbox per day, no card required. Pro: £34.99 per mailbox per year plus VAT (£2.92 monthly equivalent). Team Access: Team 3 at £119.99 per year plus VAT, Team 5 at £199.99 per year plus VAT, Team 10 at £399.99 per year plus VAT per account. FREE: $0/month with unlimited questions, frequency cap up to 2 questions/minute, 10-second answer output limit, public Q&A records. PRO: $7.9/month with unlimited questions, frequency cap up to 10 questions/minute, 30-second answer output limit, private Q&A records.
Key features
  • Read email without marking as read
  • Read attachments: PDFs, spreadsheets, photos
  • Reply in thread with proper headers
  • Send as any of your email aliases
  • Email routines on a schedule
  • Permission levels per connection
  • Works with Gmail, Outlook and IMAP
  • Real-time audio interaction with 232-320 millisecond response time
  • Multimodal integration of text, audio, and visual inputs
  • Vision capabilities to answer questions about photos and screenshots
  • Image generation with readable and creatively arranged text
  • Support for over 50 non-English languages
  • 50% cheaper than GPT-4 Turbo with 5x higher rate limits
  • Advanced language understanding matching GPT-4 Turbo performance
  • Handles multiple tones, voices, and background noises
What makes it different
  • Leaves mailbox completely untouched—no duplicate sent items, no marked-as-read flags, threading preserved
  • Works with any MCP-compatible AI—not limited to Claude or ChatGPT
  • Attachments never encoded—up to 20 MB, four ways to attach without passing through AI
  • Email routines run automatically on schedule without manual prompts
  • Free access to GPT-4o level intelligence without subscription required
  • Multimodal capabilities combining text, audio and visual processing in one model
  • Natural conversation with real-time voice interaction at human-like response speeds
  • Image generation that produces readable and creative text within images
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)26 +1 (up) since last check9 no change since last check
Trust Flow (Majestic)344
Citation Flow (Majestic)3224
Referring domains (Majestic)6171

4 details filled in for both companies.

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