Alternatives to Gray Swan
Gray Swan is a Cybersecurity tool: gray Swan provides enterprise-grade security solutions for LLMs, developed by the pioneers of AI vulnerability research, enabling confident AI deployment. Here are the 2 closest alternatives, compared on pricing, features and what real users say.
Gray Swan profileOpen source alternatives (49)More Cybersecurity alternatives
The 2 closest alternatives to Gray Swan
Ranked by how closely each one overlaps with Gray Swan on category and features.
- 1

Tenet Security
CybersecurityThe security platform for the agentic layer, detecting and stopping dangerous AI agentic behavior in real time.
- Pricing:
- Contact for pricing
- Reddit:
- 20% positive(5 mentions)how we count
- Visitor rating:
- 4.3/5(3)
- 2

Rein Security offers an agentic AI security platform providing real-time visibility and control over enterprise AI agents and applications.
- Eliminates AppSec guesswork,
- Provides absolute clarity,
- Real-time understanding and protection
- Pricing:
- Contact for pricing
- Visitor rating:
- 3/5(1)
Community sentiment is our own count of how positive, negative or neutral the discussions we track about each tool are, across the subreddits where its users actually post. It is not a star rating and it is not a review score. Pricing reflects each vendor's public plans and can change, so check the provider for the current price.
We track only 2 close alternatives to Gray Swan so far. Browse more Cybersecurity alternatives while this list fills out.
The 20 closest Cybersecurity companies to Gray Swan
Tenet Security4.3 out of 5 (3)The security platform for the agentic layer, detecting and stopping dangerous AI agentic behavior in real time.
CybersecurityAgentic AIUpdated 20 Sept 2026
NeoNot ratedNeo provides a real-time control layer to manage and secure agentic software across enterprise environments.
CybersecurityAgentic AIUpdated 29 Sept 2026
Obsidian SecurityNot ratedObsidian Security provides a cybersecurity platform focused on securing autonomous AI agents and their access to cloud applications.
CybersecurityArtificial IntelligenceUpdated 29 Sept 2026
AIRNot ratedBuilding an inline firewall for AI agents to protect enterprises from untrusted tools, plugins, and injected instructions.
CybersecurityAI SecurityUpdated 28 Sept 2026
Pluto Security4.3 out of 5 (4)Pluto Security provides an AI Workspace Security Platform to oversee and protect AI building ventures.
CybersecurityAI GovernanceUpdated 6 Jun 2026
Jericho SecurityNot ratedAI-powered cybersecurity training platform using CyberGPT for phishing simulation and threat defense.
CybersecurityThreat DetectionUpdated 13 Sept 2026
Capsule Security Israel3.0 out of 5 (2)Menu Companies Themes Advantage Team Perspectives The Forgecast Portfolio Jobs Stay in the Know Twitter LinkedIn Toggle Search Search Forgepoint Companies / Cap
CybersecurityAgentic AIUpdated 14 Jul 2026
OplaneNot ratedAgentic security platform for AI-assisted software development.
CybersecurityArtificial IntelligenceUpdated 7 Jul 2026
Koi3.0 out of 5 (1)Endpoint security platform for self-provisioned software, securing the software perimeter and agentic endpoints.
CybersecurityEndpoint SecurityUpdated 26 Sept 2026
Tenet SecurityNot ratedSecuring autonomous AI agents.
CybersecurityArtificial IntelligenceUpdated 22 Sept 2026
Reco3.0 out of 5 (1)Identity-first SaaS security platform for discovering and controlling SaaS applications, identities, and data.
CybersecuritySaaS SecurityUpdated 26 Sept 2026
Rein Security3.0 out of 5 (1)Rein Security offers an agentic AI security platform providing real-time visibility and control over enterprise AI agents and applications.
CybersecurityAgentic AIUpdated 1 Oct 2026
CytixNot ratedCytix offers a change risk management platform for software development, addressing security challenges from AI-assisted coding and continuous delivery.
CybersecuritySoftware DevelopmentUpdated 22 Sept 2026
Protect AINot ratedCybersecurity company focused on securing AI and ML systems with innovative MLSecOps products.
CybersecurityMLOpsUpdated 9 Aug 2026
CormaNot ratedCorma is building foundation models toward superintelligence for defensive cybersecurity, empowering AI agents to protect organizations from advanced threats.
CybersecurityFrontier AI LabUpdated 12 Aug 2026
Glow Security, Inc.5.0 out of 5 (1)Glow Security provides AI-powered endpoint security, giving security teams control over everything that runs on their endpoints to safely adopt AI.
CybersecurityEndpoint SecurityUpdated 23 Jul 2026- RERecolabsNot rated
Securing AI apps and autonomous agents for enterprises by making them visible and manageable.
CybersecurityArtificial IntelligenceUpdated 27 Jul 2026
NanoClawNot ratedAI-powered security solutions for large language models.
CybersecurityThreat DetectionUpdated 29 Jun 2026
KnosticNot ratedKnostic provides need-to-know access controls for Generative AI to prevent LLM oversharing.
CybersecurityEnterpriseUpdated 29 Sept 2026- KEKeycardNot rated
Keycard provides secure, digital identity and access management solutions for businesses, specifically for AI agents.
CybersecurityIdentity & Access ManagementUpdated 22 Sept 2026
Showing the 20 closest matches. See the rest on the Gray Swan profile.
Gray Swan alternatives: common questions
What are the closest alternatives to Gray Swan?
Tenet Security, Rein Security are the closest alternatives to Gray Swan by feature overlap and category. Each one is compared above on pricing, features and community sentiment.