ForthWrite vs GPT for Gmail
ForthWrite
forthwrite.ai
GPT for Gmail
gpt.spaceSide by side
| Figure | ForthWrite | GPT for Gmail |
|---|---|---|
| Price from | $24/mo | $9/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | — |
| Plans published | 5 | 2 |
| Spec score · AI Email Writing Tools | 9.3 (#1) | 8.4 (#6) |
| Maker | Aesir Labs, LLC operates the product under the ForthWrite name. | The maker's company page identifies Qualtir LLC and describes Qualtir as a software company specializing in Chrome extensions for Google Workspace. |
| Support | The support page says email support normally replies within one business day. | The help center says users can email [email protected] and that support answers within two business days. |
| What it does | ForthWrite creates AI email drafts using a private model of each user's writing style and keeps the person responsible for sending. | GPT for Gmail drafts replies, composes new messages, and summarizes email threads inside Gmail. |
Plans
ForthWrite
- FreeFree
- Pro$24 a month
- Pro annual$29 a month
- Teams$59 a month
- EnterprisePriced on request
In their own words
ForthWrite
ForthWrite drafts email replies using a writing profile learned from a user's sent email. The free plan works with Gmail and Outlook on the web, while an Outlook add-in is available for Outlook desktop on Windows or Mac. Free accounts get 10 drafts per week; the plan excludes custom persona, auto-draft, batch drafting, coaching, analytics, and dictation. Pro includes unlimited drafts, auto-draft, batch drafting, custom persona, RAG, and dictation. It is listed at $24 a month billed annually, and the page also shows $29/mo. Teams has a two-seat minimum and includes Pro features, a shared team persona, Prompt Lab, review records, and team analytics. Slack drafting requires Standard or Pro. A Claude connector can produce a draft or contact summary, but does not send mail or open a mailbox. ForthWrite says it passed Google's CASA Tier 2 assessment for its restricted Gmail read-only scope. Its privacy policy says routine thread content is not kept after a draft is returned, while sent-email snippets are stored to learn the user's voice. Attachments are not currently read or analyzed.
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.