HyperWrite
OthersideAI · Writing
HyperWrite is an AI writing assistant that drafts, rewrites, and researches text in your browser. It adds a Chrome extension and a personal AI agent for everyday tasks.
About HyperWrite
What Is HyperWrite
HyperWrite is an AI writer from OthersideAI, a company whose stated goal is to help people work and communicate faster. It lives in a web app and a Chrome extension and covers most of the jobs people open a blank page for: drafting, rewriting, summarizing, and researching.
The core pitch is that it writes in your voice instead of a generic one. You set up personas to teach the assistant your tone, then let it fill in sentences as you type or run one of several hundred prebuilt tools for a specific task, like rewriting a paragraph or responding to an email. The Chrome extension is what makes it different from a plain chat box. It follows you into Gmail, Google Docs, and other sites, so help shows up where you're already typing.
A second thread is research. The assistant pulls from real-time sources and can cite them, which matters if you write anything that needs a source behind it. The limits are worth knowing up front. The free plan caps monthly credits and runs on a basic model, the stronger models sit behind Premium and Ultra, and there's no published public API. Anything it writes still needs a human pass before you publish it.
Getting Started
- Sign up at hyperwriteai.com or add the Chrome extension from the Chrome Web Store. A free account gets you started without a card.
- Set up a persona so the assistant learns how you write. TypeAhead suggestions then match your tone as you work in the browser.
- Run a tool or the chat assistant for the job in front of you, whether that's drafting a paragraph, rewriting existing text, or responding to an email.
- Turn on the personal assistant if you want it to research a topic or handle a routine task end to end rather than just suggest text.
- Upgrade to Premium or Ultra if you need unlimited messages, more personas, and access to the more capable models.
Product Information
A quick look at HyperWrite's pricing, supported platforms, and performance.
Best for
The users, tasks, and scenarios where this tool fits best.
Users
- Writers and content creators
- Students
- Email-heavy professionals
Tasks
- Drafting a first version of a piece
- Rewriting and polishing existing text
- Email responses
- Researching with citations
Scenarios
- Working across many sites
- Facing a blank page
- Managing a crowded inbox
Key features
Chrome Extension with TypeAhead
The extension is the part most people meet first. It brings the assistant into any text box on the web and adds TypeAhead, an autocomplete that suggests the next sentence as you type. Writers who stall on the first line get a running start, and the suggestions follow the persona you've set. It works in Gmail, Google Docs, and the rest of the sites you write in.
AutoWrite and Hundreds of Tools
AutoWrite is the flagship tool: give it a topic and it writes a paragraph, a section, or a full draft. Alongside it sits a library of several hundred prebuilt tools for narrower jobs, like rewriting content, simplifying a hard topic, or drafting a speech. The range means you rarely have to write a prompt from scratch for a common task.
Custom Personas
Personas are how HyperWrite tries to sound like you rather than a robot. You set one up to match your writing style and the assistant applies that tone across its tools. Premium allows three personas and Ultra raises it to ten, which suits people who write for more than one audience.
Personal AI Assistant and Research
The personal assistant is HyperWrite's push beyond writing. It can research a topic, pull from real-time and scholarly sources, and draft or send responses, with citations attached. It also takes on routine jobs like organizing an inbox. It's the feature aimed at people who want the assistant to finish a task, not just suggest a sentence.
Real-Time Research with Citations
Writing tools often generate plausible text with nothing to back it. HyperWrite searches current sources and can attach citations, so you can check a claim instead of trusting it. That's the reason it fits research-heavy work, from blog posts to reports, where a reader will ask where a fact came from.
Browser-Based Access
There's no desktop install to manage. You use the web app, and the extension covers the places you'd otherwise leave to paste text back and forth. Because it runs in the browser, the same account works across a laptop and a work machine, and the tool is available the moment you open a page.
Pros and cons
Pros
- The Chrome extension puts AI writing help inside Gmail, Docs, and other sites, so you don't copy text between apps.
- TypeAhead suggests your next sentence as you type, which helps break writer's block.
- Personas shape the output toward your own voice instead of a generic assistant tone.
- Real-time research with citations backs claims with sources you can check.
- A free plan and a large library of prebuilt tools make it easy to try before paying.
Cons
- The free plan caps monthly credits and uses a basic model, so heavy use pushes you to pay.
- Unlimited messages, more personas, and the stronger features sit behind the $19.99 Premium and $44.99 Ultra plans.
- There's no published public API, so you can't wire it into your own app or workflow.
- Output still needs a human edit, since the tool can produce text that reads fine but gets facts wrong.
Frequently asked questions
HyperWrite is an AI writing assistant for drafting, rewriting, summarizing, and researching text. You use it to start a piece, polish existing writing, respond to emails in Gmail, or gather cited sources for a topic, all inside your browser.
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