Content Assistant vs Superhuman

Paraphrase, proofread and summarize text with an AI writing workspace

One workspace to write, check and summarize

Combines shared inboxes and team chat with AI assistance, but feels less optimized for solo speed.

Write bolder, clearer prose with instant readability and grammar feedback

Provides a smart inbox and AI writing tools across devices, but offers less advanced custom triage shortcuts.

Free AI paraphraser with seven rewriting modes

Express yourself with confidence — rewrite, proofread and summarize in one click

Delivers cross-platform AI email management with strong privacy focus, but has a more traditional interface.

SpecialistAn AI executive assistant that works across your inbox, calendar and meetings

Spanish AI paraphraser for rewriting, humanizing, and de-plagiarizing text

Offers an AI-native email client with automated summaries and bundles, but lacks Superhuman's extreme speed focus.

One AI assistant that works wherever you work