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aifeatures.ai
⚡

Superhuman

by Superhuman

2.5M / mo
From $null/mo
Try Superhuman (opens in a new tab)

Superhuman is a blazing-fast email client for Gmail and Outlook built around keyboard shortcuts, AI triage, and a philosophy of achieving inbox zero every day. Its AI writes reply drafts from short prompts, predicts which emails can be triaged quickly, and provides a split inbox that puts the highest-priority messages front and centre. Executives and operators who live in email pay the premium tier for the speed and focus it provides.

Superhuman features and capabilities, including which plan they need and how they compare in the CanIUse matrix.

superhuman-emailAdded 2025-09-21Catalog rank 8

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✨ Modalities

💬
Text Input
Yes, requires pro plan. Email compose, docs, and Grammarly Go accept text. Paid product.
🖼️
Image Upload / Vision
Unknown. Whether AI reads images in mail was not checked.
🎨
Image Generation
No. Mail and docs product, not image gen.
🎙️
Voice Mode
Unknown. Voice features were not confirmed.
🎥
Video Understanding
No. Not a video product.
🎬
Video Generation
No. Not a video generation product.
📁
File Upload (PDF, DOCX)
Partial. Email attachments and docs. Not a general PDF chat uploader.
💻
Code Execution
No. Not a code sandbox.
🔊
Audio Input
Unknown. Dictation was not confirmed.
🖌️
Canvas / Artifact Editor
Partial. Superhuman Docs editor for collaborative writing.
🖥️
Screen Sharing / Computer Use
No. No computer-use product.

🧠 Memory & Context

🧠
Persistent Memory
Partial. Sounds Like You and writing style learn over time.
📏
Large Context Window
Unknown. Depends on underlying models. Not published on homepage.
⚙️
Custom Instructions
Partial. Sounds Like You adapts tone. Not a full system-prompt editor.
📜
Conversation History
Yes, requires pro plan. Email threads and docs history persist in the product.

🔌 Integrations

🌐
Web Search / Browsing
Unknown. Web search in AI features was not confirmed.
🔌
Plugins / Extensions
Yes, requires pro plan. 800+ tool integrations in the Superhuman suite.
🔧
API Access
No. Consumer productivity app, not a public API.
⚡
Zapier Integration
Unknown. Zapier integration was not checked.
🤖
Custom GPTs / Bots
No. Not a GPT store. Distinct from Grammarly matrix tool.
👥
Real-time Collaboration
Yes, requires pro plan. Real-time collaborative docs.
🐦
Live Social Data Integration
No. No social firehose.
📚
Live Citation Mapping
No. Not a cited-search product.

👨‍💻 Developer

🛠️
Function Calling
Unknown. Tool use in AI features was not confirmed.
⚡
Streaming Responses
Partial. AI writing suggestions stream inline.
🎛️
Fine-Tuning
No. Does not fine-tune models.
📐
Embeddings API
No. Not an embeddings product.
📋
Structured Output (JSON)
No. Outputs mail and docs, not JSON schemas.
🧩
Reasoning / Thinking Mode
Unknown. Reasoning models in AI features were not confirmed.
🏠
Local Execution
No. Cloud-synced mail and docs.
🔓
Open Weights
No. Proprietary product stack.
🤖
Multi-Agent Orchestration
No. Not a multi-agent platform.

📱 Platforms

🌐
Web App
Yes, requires pro plan. Superhuman mail and docs in the browser. Paid seats.
📱
iOS App
Partial. Mobile apps are advertised for mail.
🤖
Android App
Partial. Mobile apps are advertised for mail.
🖥️
Desktop App
Partial. Native mail clients for Mac and Windows.
🔵
Chrome Extension
Unknown. Extension strategy was not checked; Grammarly has one separately.

🔒 Privacy

🔒
GDPR Compliant
Unknown. Compliance docs were not re-read.
🚫
Opt Out of Data Training
Unknown. Training policy was not checked.
🏢
Enterprise Privacy Mode
Partial. Enterprise mail plans exist. DPA not read this round.

💼 Workspaces

📂
Projects / Folders
Partial. Labels and splits organize mail; docs have folders.