AI Email Assistant for Thunderbird vs GPT for Gmail
AI Email Assistant for Thunderbird
github.com
GPT for Gmail
gpt.spaceSide by side
| Figure | AI Email Assistant for Thunderbird | GPT for Gmail |
|---|---|---|
| Price from | Free | $9/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| Plans published | 1 | 2 |
| Spec score · AI Email Writing Tools | 7.8 (#17) | 8.4 (#6) |
| Installation | The maker provides a downloadable .xpi file and installation instructions for Thunderbird's Add-ons and Themes menu. | GPT for Gmail is available as a Google Workspace Marketplace add-on, and the maker also offers a Chrome extension for GPT Workspace. |
| Privacy | The maker says there is no telemetry, analytics, or tracking, and emails are sent only to the AI provider the user chooses. | The Gmail product page says emails are anonymized before processing and says content is not shared or commercially used. |
Plans
AI Email Assistant for Thunderbird
- AI Email Assistant for ThunderbirdFree
In their own words
AI Email Assistant for Thunderbird
AI Email Assistant for Thunderbird has no write-up on Specifiction yet; its figures are above.
GPT for Gmail
GPT for Gmail drafts replies, writes new messages, and summarizes email threads inside Gmail. It reads the full thread to create a contextual reply that can be inserted with one click. Listed tools include email search, response generation, cold emails, templates, subject lines, inbox organization, scheduling, and follow-ups. Users can choose a tone, and the product says translation is supported in more than 30 languages. It is available through the Google Workspace Marketplace, with a Chrome extension for GPT Workspace and integrations with Docs, Sheets, Slides, and Drive. Gmail reply suggestions and drafts work on iOS and Android. The maker says emails are anonymized before processing, not shared or commercially used, and not used to train AI models. The Free plan is free with no feature restrictions. Unlimited Premium costs $9 a month, billed annually, adding higher usage limits and priority support. There is no free trial.