Hyperwrite AI
OtherSideAI / hyperwriteai.com
AI writing assistant browser extension providing inline TypeAhead autocomplete in any browser text field across all websites, plus Personal Assistant for agentic web tasks.
Pricing
$20/mo
Free plan
Yes
Category
Writing
Platforms
2
Free plan
Yes
API access
No
Open source
No
Platforms
2
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What is Hyperwrite AI?
HyperWrite is an AI writing assistant browser extension providing writing suggestions in any text field on any website — emails in Gmail, messages in Slack, social media posts — without switching to a separate application. The TypeAhead feature provides inline suggestions as you type in any browser text field, accepted by pressing Tab. The Personal Assistant feature on higher plans performs agentic web browsing tasks including form filling and page navigation. Privacy considerations apply as with all browser extensions reading page content.
How Hyperwrite AI works
Hyperwrite AI runs as writing assistant software built around text workflows. Users typically start with a prompt, upload, or connected data source, and the underlying model handles the heavy lifting before returning a result you can refine or export. It's available on chrome and edge.
What makes it worth shortlisting
The capabilities that matter most for teams evaluating Hyperwrite AI.
TypeAhead
Inline AI writing suggestions appearing as you type in any browser text field across all websites, accepted by pressing Tab.
Browser-wide integration
AI writing assistance works in Gmail, Google Docs, Slack, and any web-based text field without switching applications.
Personal Assistant
Agentic web browsing feature allowing the AI to navigate pages and take actions on the user's behalf.
Best use cases
Who should use it
Pros
- TypeAhead inline suggestions work across all website text fields without switching apps
- Agentic browsing capabilities go beyond pure writing assistance
- Browser integration reduces friction between AI assistant and work
- Free plan allows meaningful evaluation
Cons
- TypeAhead suggestions require adjustment to natural writing flow
- Privacy considerations apply as with all extensions reading page content
- Premium features require $20/month or more
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Is it worth the price?
Free plan with 15 AI completions/day. Premium $20/month. Ultra $44.99/month.
Model
Freemium
Starting price
$20/mo
Free trial
No
Tools like Hyperwrite AI
Sider and Monica AI are direct browser AI competitors. Grammarly provides inline grammar suggestions without generation. GitHub Copilot provides similar inline suggestions for code.
Hyperwrite AI vs TextCortex AI
A side-by-side look at the closest alternative in this category.
Hyperwrite AI
OtherSideAI
TextCortex AI
TextCortex AI
Free plan with 15 AI completions/day. Premium $20/month. Ultra $44.99/month.
Free plan with 100 creations/month. Starter $23.99/month (unlimited creations). Team plans available. Enterprise custom pricing with custom AI persona.
Review HyperWrite data handling policy. The extension reads page content and sends writing contexts to HyperWrite's AI.
SOC 2 compliant. GDPR compliant. Enterprise includes data handling agreements and custom data processing terms.
Browser extension reads page content and text field content. Review privacy policy carefully before use with sensitive communications.
Review TextCortex's data handling policy. Content processed through TextCortex's AI infrastructure including third-party providers. Enterprise includes data processing agreements.
- TypeAhead inline suggestions work across all website text fields without switching apps
- Agentic browsing capabilities go beyond pure writing assistance
- Browser integration reduces friction between AI assistant and work
- Free plan allows meaningful evaluation
- Customisable AI personas with knowledge base reduce brand voice inconsistency
- Available on 25+ platforms through browser extension without switching tools
- Unlimited creations on Starter plan at competitive $23.99/month
- 25+ language support useful for international teams
- TypeAhead suggestions require adjustment to natural writing flow
- Privacy considerations apply as with all extensions reading page content
- Premium features require $20/month or more
- Less well-known than Jasper or Grammarly in the AI writing market
- Custom persona setup requires initial configuration investment
- Enterprise features require custom pricing
Technical & deployment info
Key facts about model providers, platforms, and team support.
Model Provider
OpenAI
Platforms
Chrome, Edge
Deployment
SaaS
Integrations
Gmail, Google Docs, Slack, Any website
Team Collaboration
No
Launch Year
2020
Security & privacy
Compliance signals and data-handling notes as reported by the vendor.
Review HyperWrite data handling policy. The extension reads page content and sends writing contexts to HyperWrite's AI.
Browser extension reads page content and text field content. Review privacy policy carefully before use with sensitive communications.
What users are saying
Verified reviews from signed-in users, stored in the backend and averaged into this tool's rating.
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Common questions about Hyperwrite AI
Editorial Verdict
Should you use Hyperwrite AI?
HyperWrite is worth evaluating for users who want inline AI writing suggestions across all web-based writing contexts. Sider and Monica AI provide similar multi-model browser AI at comparable pricing.
Last verified July 24, 2026.