
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
HyperWrite records 255,429 monthly visits with +34.4% month-over-month growth and Freemium pricing. PromptPolish records 0 monthly visits with — growth and Free pricing.

Refine selected text anywhere in your browser with custom AI prompts
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | hyperwriteai.com | chromewebstore.google.com |
| Pricing Model | Freemium | Free |
| Monthly Visits | 255.43K (255,429) | 0 (0) |
| MoM Traffic Delta | +65.35K (+34.4%) | 0 (—) |
| Primary Market & Share | 🇺🇸 United States (44.5%) | 🌐 Global (—) |
| Direct Visits / mo | 107.72K | 0 |
| User Rating | 3.9 | 3.8 |
| Supported Platforms | Website | Browser Extension |

AI writing assistant with autocomplete, research, and a Chrome extension
Context-aware sentence completions appear as you type in Gmail, Google Docs, and other sites through the Chrome extension.
Generate a paragraph from a short prompt or rewrite existing text in a new tone while preserving meaning.
HyperWrite Scholar searches millions of scholarly articles so drafts can include factual, properly cited information.
Turn a few keywords into a complete, ready-to-send email reply without switching tabs.

Refine selected text anywhere in your browser with custom AI prompts
Select text on any web page and replace it with an improved version without leaving the page or touching the clipboard.
Define your own instructions — shorten, formalize, translate, summarize — and reuse them across pages and sessions.
Connect the extension to services such as OpenAI using your own API key, so you control cost and model choice.
Credentials, inputs and prompts are kept locally and sent only to the AI service you explicitly configure.

SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistReal-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
SpecialistReal-time AI answer engine and research workspace combining live web citations with frontier reasoning models.

Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Paraphrase, proofread and summarize text with an AI writing workspace
Paraphrase, proofread and summarize text with an AI writing workspace

AI grammar, spelling and style checker for 30+ languages
AI grammar, spelling and style checker for 30+ languages

Offers an all-in-one browser extension with chat, writing assistance, and search capabilities, though less focused on predictive autocomplete.
Offers an all-in-one browser extension with chat, writing assistance, and search capabilities, though less focused on predictive autocomplete.

Provides a browser extension sidebar integrating multiple frontier models and writing tools, offering broader model choice than HyperWrite.
Provides a browser extension sidebar integrating multiple frontier models and writing tools, offering broader model choice than HyperWrite.
SpecialistTailored specifically for academic and research writing with source citations and autocomplete, rivaling HyperWrite's scholarly tools.
SpecialistTailored specifically for academic and research writing with source citations and autocomplete, rivaling HyperWrite's scholarly tools.
Bundles multiple leading LLMs into a browser extension for web summarization and writing, similar to HyperWrite's research assistant.
Bundles multiple leading LLMs into a browser extension for web summarization and writing, similar to HyperWrite's research assistant.
Combines writing assistance and web automation inside a browser extension, but focuses heavily on scraping and monitoring tasks.
Free AI paraphraser with seven rewriting modes
Free AI paraphraser with seven rewriting modes