Last updated 07-30-2026
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Jetwriter AI (formerly ChatGPT Writer)
Jetwriter AI is a browser extension and web app writing assistant that helps you draft emails, fix grammar, rephrase text, translate, and chat with any webpage without leaving the site you are on. It runs inside Gmail, Slack, LinkedIn, WhatsApp Web, Outlook, Zoho, Freshdesk, and Zendesk, and you can also launch it on any page with a keyboard shortcut or by selecting text.
Where most writing assistants keep you in a separate tab or a single editor, Jetwriter AI is built to stay in your workflow. It lets you switch between GPT-5, Claude, and Gemini models mid-conversation, drafts Gmail replies from your past email history, and adds one-click actions for grammar fixes, summaries, and translations on highlighted text. The trade-off is that advanced models and higher Gmail auto-draft limits sit behind paid tiers.
It fits remote workers, sales reps, and support teams who write dozens of messages a day and want replies that sound like them rather than generic AI output. Non-native English speakers also get grammar correction and tone adjustments without copying text into another tool.
Browser extension under 1MB integrates with Gmail, Slack, LinkedIn, WhatsApp Web, Outlook, Zoho, Freshdesk, and Zendesk
Free plan includes 15 regular AI model responses per month on GPT-5 mini and Gemini 3 Flash
Elite plan at $18 per month includes roughly 1,000 advanced model responses and 50 Gmail auto-draft replies per day
Switch between Claude Opus 4.8, GPT 5.6 Sol, Gemini 3.1 Pro, and Sonnet 5 during a single chat
Gmail auto-draft analyzes your past emails to match your writing style when drafting replies
Ctrl+Shift+K keyboard shortcut opens the assistant on any webpage without clicking the extension icon
Works inside Gmail, Slack, LinkedIn, and WhatsApp without opening a separate AI tab.
Lets you switch between GPT-5, Claude, and Gemini models in one conversation.
Gmail auto-draft learns from your past emails so replies match your tone.
Free tier includes both the browser extension and web app with voice input.
Free plan caps regular model usage at 15 responses per month with no advanced models.
Safari and Firefox extensions are listed as coming soon.
Gmail auto-draft limits reach 50 replies per day on Elite and 70 on Ultra.
Is Jetwriter AI free to use?
Yes, Jetwriter AI offers a free plan with 15 regular AI model responses per month, browser extension access, a web app, voice input, live web access, and Gmail auto-draft replies. Advanced models like Claude Opus 4.8 require a paid Elite or Ultra plan.
What AI models does Jetwriter AI support?
Jetwriter AI supports GPT-5 mini and Gemini 3 Flash on the free tier. Paid plans add advanced models including Claude Opus 4.8, GPT 5.6 Sol, GPT 5.6 Terra, Gemini 3.1 Pro, and Sonnet 5, and you can switch between them during a chat.
Does Jetwriter AI work inside Gmail?
Yes, Jetwriter AI has deep Gmail integration. It can auto-draft replies in your inbox, learn from your past emails to match your tone, and lets Elite users generate up to 50 auto-draft replies per day or 70 on the Ultra plan.
How much does Jetwriter AI Elite cost?
Jetwriter AI Elite costs $18 per month on a monthly plan or $14 per month when billed annually at $168 per year. The Elite plan includes roughly 1,000 advanced AI model responses per month and unlimited regular model responses.
Can Jetwriter AI rewrite selected text on any website?
Yes, Jetwriter AI lets you highlight text on any webpage and run one-click actions to fix grammar, translate, summarize, explain, or improve the writing. You can also add custom actions or disable one-click options in settings.
Does Jetwriter AI have a mobile option?
Yes, Jetwriter AI offers a web app for mobile devices and browsers that do not support the extension. The Chrome, Edge, Brave, Opera, and Vivaldi extensions are available now, while Safari and Firefox versions are listed as coming soon.