Last updated: 2026-08-19
JetWriter AI is a browser extension used by over 600,000 people to draft replies and rewrite text directly inside Gmail, LinkedIn, and other websites without leaving the page. It differentiates itself by letting users pick GPT, Claude, or Gemini for a given reply and build custom writing style profiles that match their own voice.
About JetWriter AI
JetWriter AI, formerly known as ChatGPT Writer, launched as a Chrome extension in December 2022 that connected ChatGPT to Gmail for drafting email replies. It rebranded to JetWriter AI in September 2025 after expanding beyond GPT-only integration to include Claude, Gemini, and other models. The extension runs lightweight and reads the surrounding conversation automatically, whether that is a Gmail thread, a LinkedIn message, or a support ticket in a tool like Freshdesk, so replies do not require copy-pasting context manually. The company holds SOC 2 compliance and lists Gmail, LinkedIn, Outlook, Freshdesk, Chrome, and Edge among its native integrations.
Pricing
Pro unlocks unlimited responses and priority support for $12/month, or $9/month billed annually. Elite adds the highest-reasoning models plus voice input and file attachments for $18/month, or $14/month annually ($168/year). The free plan caps usage at a small number of monthly AI responses.
Feature Comparison by Tier
| Feature | Pro | Free | Elite |
|---|---|---|---|
| Monthly AI responses | ~500/mo (unlimited regular) | 15/mo (regular) | ~1,000/mo (unlimited regular) |
| Advanced AI models (Opus, GPT-5.5, Sonnet 4.6) | ✓ | — | ✓ |
| Advanced model responses/month | ~500/mo | — | ~1,000/mo |
| Browser extensions | Chrome, Edge, Brave, Opera, Vivaldi | Chrome only | Chrome, Edge, Brave, Opera, Vivaldi |
| Web app + mobile apps | ✓ | ✓ | ✓ |
| Live web search access | ✓ | ✓ | ✓ |
| Voice input + file attachments | ✓ | ✓ | ✓ |
Key Features
- Context-Aware Email Replies: Reads Gmail, Outlook, and LinkedIn conversation threads automatically and generates context-appropriate replies without copy-pasting, producing drafts 5x faster than manual typing.
- Multi-Model AI Access: Lets users switch between GPT-5, Claude, and Gemini Pro within the same interface, choosing the best model for each specific writing task.
- Personalized Writing Style Profiles: Users build custom style profiles that train the tool to match their tone, vocabulary, and voice, reducing the generic feel of AI-generated text.
- Voice-to-Prompt Input: Accepts voice input in any language, letting users dictate prompts hands-free and receive written output in the target language.
- Bring Your Own API Key: Users can connect their own OpenAI, Anthropic, or Google API key to bypass plan credit limits and control costs directly.
- Grammar Fix, Tone Change, and Summarize: One-click grammar correction, tone adjustment (formal, casual, persuasive), and text summarization work on any selected text on any webpage.
Pros
- Context-aware replies save real time for anyone drowning in email or LinkedIn messages, since the extension reads the thread automatically without any copy-pasting.
- The Chrome extension stays under 1MB, so it adds no noticeable slowdown, unlike some AI writing extensions that run 5 to 20MB.
- States plainly that user messages are not used to train AI models and are not sold to third parties, addressing the top trust concern with browser-based AI writing tools.
Cons
- The free tier's monthly response cap is tight enough that regular users hit the limit within 2-3 days of daily use, before Pro's unlimited responses kick in.
- Struggles with anything over roughly 500 words: full 2,000-word articles come out lower quality than dedicated long-form tools like Jasper or Copy.ai.
- Full functionality is Chrome-only; Safari and Firefox support is still in development as of 2026.
Product Information
- Cloud
- Yes
- Languages
- English, Spanish, French, German, Italian, Portuguese, Chinese, Japanese, Korean
- Training
- Help Center, Blog Guides, Email Support, Chrome Web Store Documentation
Frequently Asked Questions
What are JetWriter AI's pricing plans in 2026?
JetWriter AI has three tiers. Free needs no credit card to install. Upgrading to Pro removes the response cap and adds priority support for $12 a month, or $9 a month paid yearly. Elite unlocks the more expensive reasoning models along with voice input and file attachments for $18 a month, or $14 a month paid yearly ($168 total).
Can you use JetWriter AI without paying?
JetWriter AI's free plan includes 15 AI responses a month for email replies, grammar fixes, tone changes, and summaries, with nothing to enter upfront. Most daily users hit that monthly cap within a few days, at which point Pro removes the limit entirely for $12 a month.
What are JetWriter AI's closest competitors?
Grammarly is the better pick for standalone grammar and style checking rather than drafting new replies from scratch. HyperWrite offers broader general-purpose writing help across the web instead of focusing on email threads. QuillBot suits people whose main need is paraphrasing existing documents rather than composing original messages.
Is JetWriter AI better than Grammarly?
Grammarly checks and refines text a user already wrote, built primarily around English. JetWriter AI instead drafts the first reply, reading the full email or message thread before writing rather than just the latest message, and supports over 30 languages. JetWriter's free tier lets people try AI-drafted replies before paying, while Grammarly's free tier sticks to basic grammar suggestions.
How do you set up JetWriter AI?
Install the JetWriter AI extension from the Chrome Web Store, then open Gmail, LinkedIn, or any other site with a text field. Select an existing message or start a new one, and the extension reads the surrounding context to suggest a reply. New users start on the free tier, which needs nothing upfront, and upgrade once they exceed the monthly response cap.
Top Alternatives
- Grammarly: Pick Grammarly for standalone grammar & style checking; pick JetWriter AI for context-aware email replies.
- HyperWrite: Pick HyperWrite for general writing assistance across the web; pick JetWriter AI for email-specific context awareness.
- Writesonic: Pick Writesonic for long-form content and marketing copy; pick JetWriter AI for real-time email reply generation.