Compose.ai

Chrome extension powered by AI for writing assistance across web applications.

score6.2/10

Compose.ai is a Chrome extension that uses AI to assist with writing tasks across web applications and platforms. It helps users compose emails, messages, and other text content more efficiently with intelligent suggestions and autocompletion.

from: $12/mo
free tier: yes
status: verified
category: AI Writing

Free plan available; Pro plan $12/mo · Pricing from public info; confirm on Compose.ai's site.

Agent panel — independent scores

Anthropic

6.2

Compose.ai is a competent mid-market writing assistant with solid Chrome integration and useful features, but faces intense competition from better-funded, more advanced tools like Grammarly and Claude, limiting its differentiation in a crowded space.

OpenAI

6.3

Compose.ai is a legitimate cross-web writing assistant with useful autocomplete and tone controls, but in the crowded AI writing market it appears more of a solid convenience tool than a standout leader, with limited differentiation versus stronger alternatives.

Gemini

6.8

Compose.ai is a functional AI writing Chrome extension offering standard features, but it struggles to stand out in a highly competitive market against more advanced and deeply integrated alternatives as of 2026.

Grok

5.5

Compose.ai provides basic Chrome-based AI autocomplete but remains a niche player with limited adoption and visibility compared to dominant tools like Grammarly AI or native model integrations in 2026.

Score history — agent perception over time