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Compose AI

Vendor: Compose AI

Compose AI is a Chrome writing assistant for AI autocomplete, text generation, rephrasing, and email replies.

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email People who write frequently in browser-based apps Professionals drafting or replying to email Writers who want quick in-context text generation and rephrasing #ai-writing-assistant #email-productivity #autocomplete #chrome-extension

Overview

Compose AI is a browser-based AI writing assistant distributed as a Chrome extension. It can autocomplete text across websites, generate content with the // command in supported contexts, rephrase selected text, personalize suggestions to a user’s writing style, and draft email replies from short prompts. Its official getting-started guide names Gmail, Google Docs, and WhatsApp as supported writing contexts. The official website describes the plugin as free and says a Premium version adds advanced features, including some personalization; it does not currently publish Premium prices or detailed plan limits. The Chrome Web Store listing remains active and shows a September 23, 2026 update.

Key Features

AI autocomplete in the browser

Suggests sentence completions while writing across websites through the Chrome extension.

On-demand text generation

Generates text from a // command in supported contexts; the official site currently calls out Gmail and Google Docs.

Rephrase and adjust tone

Rewrites selected text and can make it friendlier, more formal, shorter, or longer.

Draft email replies

Creates full email replies from a short prompt and can reference the original email context.

Writing-style personalization

The vendor says suggestions can learn a user’s writing voice; some personalization features are part of Premium.

Pros & Strengths

  • ✓
    Writing help inside the browser: Autocomplete, generation, rephrasing, and email drafting are available from the Chrome extension.
  • ✓
    Several supported writing contexts: The getting-started guide demonstrates Gmail, Google Docs, and WhatsApp.
  • ✓
    Free starting option: The vendor describes the Chrome plugin as free to use.

Cons & Tradeoffs

  • ⚠
    Premium price and limits are not published: The official website describes a Premium version but does not currently show its price or detailed plan limits.
  • ⚠
    Chrome-based distribution: The product is distributed as a Chrome extension, so use depends on a compatible browser and supported page context.

Known Limitations

  • • The Premium plan’s price and detailed usage limits are not published on the current official website.
  • • Compose AI is distributed as a Chrome extension rather than a separately listed native desktop application.

Review-platform snapshot

G2 currently lists 0 reviews for Compose AI and says there is not enough review data for buying insight. No rating or review themes are summarized.

  • G2 (0 reviews)

Review profiles checked: 2026-09-29

Pricing & Plans

Model: freemium

The official website describes the Chrome plugin as free to use and says a Premium version adds advanced features, including some personalization. The current official site does not publish Premium pricing or detailed plan limits; confirm those with the vendor. The Chrome Web Store listing indicates in-app purchases.

✓ Free Plan ✓ Free Trial

Pricing verified: 2026-09-29

Editorial Info

Last Reviewed: 2026-09-29

Verified Sources & Research

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