Grammarly Enterprise vs Agent Security Suite
Detailed side-by-side comparison to help you choose the right tool
Grammarly Enterprise
Business AI Solutions
Grammarly Enterprise is an AI writing assistant for organizations that helps teams improve grammar, clarity, tone, and communication quality across business workflows.
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CustomAgent Security Suite
🟢No CodeBusiness AI Solutions
Enterprise-grade security platforms that protect, monitor, and govern AI agents across their full lifecycle — from development through production deployment — with unified observability, threat detection, and compliance controls.
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Grammarly Enterprise - Pros & Cons
Pros
- ✓Very broad writing coverage: Grammarly says it works across more than 1 million apps and websites, which makes it useful for email, documents, browser-based tools, and everyday business writing instead of only a dedicated editor.
- ✓Large adoption base: Grammarly reports being trusted by over 40 million people and 50,000 organizations, which gives enterprise buyers more confidence in product maturity and support expectations.
- ✓Clear upgrade path from free to enterprise: Free includes $0/month access with 100 AI prompts per month, Pro adds 2,000 AI prompts per member per month at $12/member/month billed annually, and Enterprise adds unlimited prompts per member.
- ✓Enterprise controls are stronger than a basic writing assistant: the Enterprise tier lists BYOK encryption, data loss prevention, custom roles and permissions, SAML SSO, SCIM, Feature Management Hub, and cost center visibility.
- ✓Useful for company-wide quality control because it supports tone, inclusive language, citation consistency, plagiarism checks, AI-generated text detection, and full-sentence rewrites in the same workflow.
- ✓Grammarly has a long operating history for an AI writing tool, founded in 2009, and has evolved into the Superhuman suite after acquiring Coda in late 2024 and Superhuman Mail in 2025.
Cons
- ✗Enterprise pricing is not published on the website, so buyers must contact sales and cannot quickly compare the total cost against self-serve tools.
- ✗Some advanced workflow value now depends on the broader Superhuman suite, which may be more product surface than teams want if they only need writing suggestions.
- ✗Pro has a documented limit of up to 149 seats, so larger teams must move into Enterprise or sales-assisted purchasing.
- ✗Enterprise domain controls require SAML single sign-on to be configured first, which adds setup work for administrators.
- ✗The privacy FAQ says Grammarly hosts data in AWS data centers in the US East region, which may be a constraint for organizations with strict regional data residency requirements.
Agent Security Suite - Pros & Cons
Pros
- ✓Broad cross-platform coverage spanning Microsoft Copilot, Salesforce Agentforce, ServiceNow, ChatGPT Enterprise, Google Vertex AI, and Amazon Bedrock in a single control plane
- ✓Three-layered architecture (Observability, AI-SPM, AIDR) maps cleanly to established security disciplines like CSPM and EDR, shortening the learning curve for existing SecOps teams
- ✓Active original research program through Zenity Labs, with named vulnerability disclosures like AgentFlayer and PleaseFix that feed detections back into the product
- ✓Detects shadow AI and citizen-developed agents in low-code environments like Power Platform, which most general-purpose security tools miss entirely
- ✓Industry-specific framing for financial services, government, and healthcare with compliance-oriented controls suited to regulated deployments
- ✓Runtime threat detection goes beyond static posture scanning to catch prompt injection, data exfiltration, and anomalous agent behavior in production
Cons
- ✗Enterprise-only pricing with no published tiers, free trial, or self-serve option — unsuitable for small teams or early-stage experimentation
- ✗Value depends on the breadth of agent platforms you actually run; single-platform shops may find narrower native tooling cheaper
- ✗Agentic AI security is a young category, so detection coverage and false-positive rates are still maturing across the industry, Zenity included
- ✗Requires meaningful integration work and permissioned connections to each agent platform, which can be slow in change-controlled enterprises
- ✗Overlaps with features now appearing natively in Microsoft Purview, Salesforce Shield, and hyperscaler AI guardrails, forcing buyers to justify a dedicated layer
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