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About

Antaeus is a semantic policy engine for developers who need to evaluate human-written rules about language, context, intent, or exceptions. Its open-source Go core and command-line interface load YAML or JSON policy artifacts, validate them against versioned schemas, and run named regression cases. The evaluator returns explicit allow, review, deny, or failure outcomes with policy identity and decision evidence, leaving authentication, authorization, and consequential actions to the application. Developers can run a deterministic, credential-free local workflow or use the experimental hosted dashboard and API to manage policies and evaluate inputs. An experimental OpenAI evaluator is also available. Antaeus is an early-stage project; hosted service capacity is shared and has no production SLA.

About

Cerbos is an authorization management platform for defining, deploying and evaluating access-control policies across applications and services. Developers can use its policy decision point (PDP) to evaluate authorization requests, while teams author and manage policies for role-, relationship- and attribute-based access control. Cerbos supports local, self-hosted and cloud-based workflows, with policy testing, observability and audit information for reviewing authorization decisions. Cerbos Hub provides a managed environment for organizing and distributing policies, and the open-source Cerbos PDP can be deployed alongside application workloads. The platform is intended for engineering, security and product teams that need consistent, fine-grained authorization for users, services and other identities across distributed systems.

Platforms Supported

Windows Not Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers building custom content moderation, marketplace listing policies, and applications that evaluate human-written business rules.

Audience

Engineering, security and product teams that need fine-grained, auditable authorization across applications, gateways, workloads and AI agents.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

No images available

Pricing

Free
The local Go engine is available under the Apache-2.0 license at no charge. Hosted usage includes a shared free allowance of up to 100 completed decisions per day, subject to shared capacity and without a production SLA. Paid usage is available through credit purchases starting at $10; hosted evaluation charges are usage-based.
Free Version Supported
Free Trial Not Supported

Pricing

$25/month
The open-source Cerbos PDP is free forever. Cerbos Hub Proof of Concept is $0/month for up to 100 monthly active principals. Development starts at $25/month and includes the first 100 monthly active principals; a three-month free trial is offered. Production starts at $933/month and includes the first 5,000 monthly active principals. Enterprise plans have custom pricing.
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Supported

Company Information

Antaeus
antaeus.io

Company Information

Cerbos
Founded: 2021
United Kingdom
www.cerbos.dev

Alternatives

Alternatives

Leapter

Leapter

Leapter GmbH
Cedar

Cedar

Amazon
OpenFGA

OpenFGA

The Linux Foundation

Categories

Categories

Integrations

Apache Kafka Not Supported
Envoy Not Supported
Model Context Protocol (MCP) Not Supported
OpenAI Supported
Trino Not Supported

Integrations

Apache Kafka Supported
Envoy Supported
Model Context Protocol (MCP) Supported
OpenAI Not Supported
Trino Supported
Claim Antaeus and update features and information
Claim Antaeus and update features and information
Claim Cerbos and update features and information
Claim Cerbos and update features and information