Free / Open-sourceAI content detection and a full writing toolkit in one place
Free / Open-sourceAI content detection and a full writing toolkit in one place
StrongestLayer records 0 monthly visits with 0% month-over-month growth and Contact for Pricing pricing. Superhuman records 6,514,241 monthly visits with +7.9% growth and Paid pricing.

Agentic AI email security that reasons about intent
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | strongestlayer.ai | superhuman.com |
| Pricing Model | Contact for Pricing | Paid |
| Monthly Visits | 0 (0) | 6.51M (6,514,241) |
| MoM Traffic Delta | 0 (0%) | +477.48K (+7.9%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (56.8%) |
| Direct Visits / mo | 0 | 4.96M |
| User Rating | 4.4 | 4.5 |
| Supported Platforms | Website | Website |

Agentic AI email security that reasons about intent
A multi-LLM ensemble reads intent, checks each message against your business context and relationships, and returns a clear verdict instead of relying on signatures or anomaly scores.
Get a plain-English verdict on every message, so anyone on the team can understand why an email was allowed or blocked without reading raw headers.
Reported phish arrive as pre-investigated cases complete with the evidence and reasoning trace your SOC needs to close them quickly.
Turn a single suspicious email into an organisation-wide sweep to find related messages that other filters delivered.

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.
Free / Open-sourceAI content detection and a full writing toolkit in one place
Free / Open-sourceAI content detection and a full writing toolkit in one place
Free / Open-sourceAI detection and writing verification built for schools and editors
Free / Open-sourceAI detection and writing verification built for schools and editors
Free / Open-sourceDetect, humanize and verify AI content in one place
Free / Open-sourceDetect, humanize and verify AI content in one place

Enterprise AI and plagiarism detection for content integrity

Free / Open-sourceMultilingual AI detector with sentence-level insight
Free / Open-sourceMultilingual AI detector with sentence-level insight

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.

Free / Open-sourceFree AI detector with sentence-level insight and a humanizer
Free / Open-sourceFree AI detector with sentence-level insight and a humanizer

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.

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

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.

Free / Open-sourceAntispam service that keeps junk mail, phishing and viruses out of every inbox
Free / Open-sourceAntispam service that keeps junk mail, phishing and viruses out of every inbox