Grammarly vs HyperWrite
Grammarly scores 8.3 to HyperWrite's 3.5 among the AI writing assistants we rate, and is the better pick for 3 of the 4 kinds of buyer below.
Grammarly wins, 8.3 to 3.5
Grammarly uniquely has 3 features · HyperWrite uniquely has 2 features.
Best for
Who each one suits, decided on the criteria that matter to that buyer and the checked facts where the two differ.
- Fixes spelling and grammar: Grammarly yes, HyperWrite no
- Checks for plagiarism: Grammarly yes, HyperWrite no
- Builds citations: Grammarly yes, HyperWrite no
- Monthly price, cheapest paid plan: $19.99 against $30
- Your own style guide and terms: Grammarly yes, HyperWrite no
- Team plan with shared settings: Grammarly yes, HyperWrite no
- API: Grammarly yes, HyperWrite no
- SOC 2: Grammarly yes, HyperWrite no
- ISO 27001: Grammarly yes, HyperWrite no
How they score
Both are scored the same way, against the other AI writing assistants we rate, from facts on each vendor's own pages. Grammarly leads on 4 of 5 criteria.
Where they differ
Every point where the two vendors' published facts disagree, with a link to where each fact was read. "Not published" means the vendor does not say either way.
Published by only one of them
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
Grammarly
HyperWrite
Pros and cons
From each tool's full review, written from the same checked facts.
Grammarly
- Grammarly works across an impressive range of platforms including Chrome, Safari, Firefox, Edge, Windows, Mac, iOS, Android, Microsoft Word, and Google Docs.
- The plagiarism checker is built directly into the editor rather than being a separate export tool, a useful workflow for academic and content marketing use.
- Real-time grammar, spelling, and punctuation corrections remain reliable and are available even on the free plan.
- The Pro plan at $12/month billed annually unlocks full sentence rewrites, tone suggestions, and style clarity options at a competitive price point.
- Tone detection and brand voice features make it viable for enterprise teams managing content consistency across large organizations.
- Grammarly says it works across more than 500,000 apps and websites, making it one of the most broadly compatible writing tools.
- The free plan is significantly limited, though it does include tone detection and 100 AI prompts a month alongside basic grammar, spelling, and punctuation; most meaningful features still require a paid Pro subscription.
- Grammarly is now owned by Superhuman, which adds uncertainty about the product's long-term direction.
- Brand voice customization is heavily gated, with free users restricted to a single brand tone while unlimited options require an enterprise plan.
HyperWrite
- The Chrome extension integrates natively into Gmail, Google Docs, and virtually any web interface, eliminating the need to switch tabs while writing.
- Scholar AI connects to millions of peer-reviewed articles in real time and provides citations alongside generated content, a feature most competitors lack entirely.
- TypeAhead autocomplete predicts and finishes sentences as you type, offering a genuinely seamless writing experience.
- Access to hundreds of specialized AI tools covering email responses, speech writing, content rewriting, and paraphrasing.
- Personal AI feature allows users to build up to 10 Custom Personas based on their own writing patterns, supporting consistency across large volumes of content.
- Runs on GPT-4 with a proprietary OthersideAI layer on top, giving it a strong underlying model with added customization.
- Real-time web research with citations is built in, making it more useful for students and researchers than standard writing assistants.
- No plagiarism checker is included, which is a notable gap for academic and professional users.
- No image generation capability, limiting its usefulness for content creators who need visual assets.
- Bulk content generation does not appear to be available, restricting efficiency for high-volume writing workflows.
- SEO optimization features are absent from the product, making it less suitable for marketers focused on search performance.
- Integration options are thin beyond the Chrome extension, reducing flexibility for teams using diverse tech stacks.
Grammarly vs HyperWrite: common questions
Which is better, Grammarly or HyperWrite?
Grammarly scores 8.3 and HyperWrite 3.5 out of 10 among the AI writing assistants we rate. Grammarly is ahead on what it helps with, where it works, teams and control and privacy and security. HyperWrite is ahead on pricing.
Is Grammarly or HyperWrite cheaper?
Grammarly's cheapest paid plan is $12/mo (Pro plan, billed annually) and HyperWrite's is $16/mo (Premium, billed annually). Compare what each plan includes below before going on price alone.
What can Grammarly do that HyperWrite cannot?
On the facts both vendors publish: fixes spelling and grammar, checks for plagiarism, builds citations, detects AI-written text, rewrites AI text to read as human, phone keyboard that checks as you type, your own style guide and terms, team plan with shared settings, aPI, single sign-on, personal dictionary, sOC 2 and iSO 27001.
