AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research
Block Enter records 0 monthly visits with — month-over-month growth and Free pricing. Superhuman records 6,514,241 monthly visits with +7.9% growth and Paid pricing.

Stop accidental sends in ChatGPT, Gemini, Claude and Perplexity
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | chromewebstore.google.com | superhuman.com |
| Pricing Model | Free | Paid |
| Monthly Visits | 0 (0) | 6.51M (6,514,241) |
| MoM Traffic Delta | 0 (—) | +477.48K (+7.9%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (56.8%) |
| Direct Visits / mo | 0 | 4.96M |
| User Rating | 4.2 | 4.5 |
| Supported Platforms | Browser Extension | Website |

Stop accidental sends in ChatGPT, Gemini, Claude and Perplexity
Pressing Enter inside a supported AI chat box inserts a line break instead of firing the message off to the model.
Deliberate submission stays available through the modifier-key shortcut, so nothing about your normal workflow is lost.
Works on ChatGPT, Google Gemini, Claude and Perplexity AI, with the supported-service list refreshed as new chat UIs launch.
Configure once and the behaviour follows you between tabs and signed-in Chrome profiles.

The AI productivity suite with agents, email, and docs that work wherever you do
Superhuman Go brings AI agents into the tools and tabs you already use, with inline suggestions and context-aware chat.
Auto drafts, split inbox, auto labels, and auto archive keep your inbox manageable with minimal manual filing.
Collaborative documents that hold text, tables, data, and workflows in one connected surface.
Describe what you need in chat or use a visual builder, then share agents with teammates or a company directory.
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research

An extendable launcher that puts your tools, AI, and automations one keystroke away
An extendable launcher that puts your tools, AI, and automations one keystroke away

A prompt library and management layer for ChatGPT and other AI models
A prompt library and management layer for ChatGPT and other AI models

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

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

Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail
Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail

Delivers cross-platform AI email management with strong privacy focus, but has a more traditional interface.
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
SpecialistAn AI executive assistant that works across your inbox, calendar and meetings
Organize, search and export your AI chats across ChatGPT, Gemini, Claude and Grok
Organize, search and export your AI chats across ChatGPT, Gemini, Claude and Grok

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

Transforms email threads into conversational chat workspaces with AI summaries, but changes the traditional email layout.
Transforms email threads into conversational chat workspaces with AI summaries, but changes the traditional email layout.