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Description
Antaeus serves as a semantic policy engine designed for developers tasked with assessing human-written rules related to language, context, intent, or exceptions. It features an open-source core built in Go and a command-line interface that can load policy artifacts in YAML or JSON formats, validating these against versioned schemas while executing named regression tests. The evaluation process yields clear outcomes such as allow, review, deny, or failure, accompanied by policy identification and evidence for the decisions made, while leaving the responsibilities of authentication, authorization, and any consequential actions to the application itself. Developers have the option to operate a deterministic, credential-free local workflow or utilize an experimental hosted dashboard and API for managing policies and evaluating various inputs. Additionally, there is an experimental OpenAI evaluator available for use. It is important to note that Antaeus is still in its early stages; thus, the capacity of the hosted service is limited and does not come with a production-level service level agreement (SLA), which may affect reliability during high-demand situations.
Description
GoRules is a business rules management system where the policy your analysts read and the logic your systems execute are the same artifact. Write conditions the way the business says them, lay decisions out on a graph canvas, or author full policy documents with prose and decision tables. Everything compiles to ZEN, an MIT-licensed engine written in Rust that evaluates a typical decision in about 10 microseconds.
Because ZEN is a library with bindings for Node.js, Python, Go, Java, Kotlin, C#, Swift, and Rust, one compiled ruleset serves your REST API, your AI agents over MCP, and your PySpark batch jobs with no second implementation. Before a change reaches production it passes static analysis for type errors, unreachable rules, and contradictions between policies, then moves through branches, scenario tests, reviews, and versioned releases across environments. Every answer carries a replayable trace. Start free on the managed cloud, self-host, or embed the engine directly.
API Access
Has API
Yes
API Access
Has API
Yes
Screenshots View All
No images available
Integrations
OpenAI
No
Pricing Details
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 Trial
No
Free Version
Yes
Pricing Details
$167/month
Free Trial
Yes
Free Version
No
Deployment
Web-Based
Yes
On-Premises
Yes
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
Yes
Linux
Yes
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
Yes
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
Yes
In Person
No
Vendor Details
Company Name
Antaeus
Website
antaeus.io
Vendor Details
Company Name
GoRules
Founded
2023
Country
Serbia
Website
gorules.io
Product Features
Business Rules Management Systems (BRMS)
Access Control / Permissions
No
Code Development Environment
No
Deploy Across Platforms
No
Flexible Hosting Options
No
Lifecycle Management
No
No Code Development
No
Simulation
No
Validation Tools
No
Product Features
Business Rules Management Systems (BRMS)
Access Control / Permissions
Yes
Code Development Environment
Yes
Deploy Across Platforms
Yes
Flexible Hosting Options
Yes
Lifecycle Management
Yes
No Code Development
Yes
Simulation
Yes
Validation Tools
Yes
Alternatives
No Alternatives