Comparison

Portkey vs ZenML

On the evidence we track, Portkey leads this comparison with a composite score of 79/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Portkey79
ZenML56
Score
Vioscale score
Portkey79 / 100high · 76%
ZenML56 / 100medium · 58%
Pricing
Free tier
Portkey
ZenML
Model
Portkeyfreemium
Price level
Portkeymid
ZenMLfree
Starting price
Portkey$49
ZenML
Transparent
Portkey
ZenML
Integrations
Count
Portkey1,600
ZenML6
Security
Gdpr
Portkey
ZenML
Hipaa
Portkey
ZenML
Iso27001
Portkey
ZenML
Scorecard
Portkey
ZenML6.8
Soc2
Portkey
ZenML
Reliability
Status page
Portkey
ZenML
Adoption
Dependent repos
Portkey
ZenML44
Github stars
Portkey
ZenML5,564
Activity
Commits last 30d
Portkey
ZenML23
Release
Cadence days
Portkey
ZenML14
History
Portkey
License
Spdx
Portkey
Language
Primary
Portkey
ZenMLPython
Market
Availability
ZenML

Capabilities

Feature-by-feature on the axes that matter for mlops & llmops tools. “-” means undocumented, not absent.

Core
Tool role
PortkeyModel gateway / router
ZenMLEnd-to-end ML platform
Deployment
Self-hostable / OSS core
Portkey
ZenML
Managed cloud available
Portkey
ZenML
On-prem / VPC deployment
Portkey
ZenML
Observability
LLM tracing / observability
Portkey
ZenML
Evaluation (offline / LLM-judge / human)
Portkey
ZenML
Dev
Prompt management + versioning
Portkey
ZenML-
Tracking
Experiment tracking / model registry
Portkey
ZenML
Serving
Model serving / inference endpoint
Portkey
ZenML
Interop
OpenTelemetry / OpenLLMetry compatible
Portkey-
ZenML-
Framework-agnostic
Portkey
ZenML
Gateway
Multi-provider model support
Portkey
ZenML-
Data
No-train-on-customer-data guarantee
PortkeyUnknown
ZenML-

What each one is

The product in its own terms, so the numbers below have context.

Portkey

Leader

A unified platform combining an AI gateway, observability dashboards, prompt versioning, governance controls, and guardrails. Enables teams to route requests across LLM providers, monitor costs and performance, securely manage API keys, and deploy production-ready prompts with version control.

Independently observed

ZenML

An MLOps framework that provides reproducible machine learning pipelines with automatic logging, versioning, and observability. Includes agent runtime capabilities (Kitaru) for building replayable agent workflows, deployable on your existing infrastructure without vendor lock-in.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Portkey

Leader
from $49/moHybridFree tier

Free tier with 10k logs/month. Production at $49/month with usage overages. Enterprise custom pricing for compliance-focused organizations.

  • DeveloperFree
    • Universal API & Key Management
    • Routing, Fallbacks, Load Balancing, Retries
    • 3 Prompt Templates with Playground, Versioning, Variables
    • Logs, Traces, Feedback, Custom Metadata, Filters
    • Simple Caching
    • +3 more
  • Production$49/month + $9 per 100k request overage
    • Universal API, Fallbacks, Load Balancing, Retries
    • Unlimited Prompt Templates with Playground, API Deployment, Versioning, Variables
    • Logs, Traces, Feedback, Metadata, Filters, Alerts
    • LLM & Partner Guardrails
    • Role-Based Access Control, Service Account API Keys
    • +3 more
  • EnterpriseContact sales
    • Custom retention periods for logs and metrics
    • Advanced Evaluation Templates with custom guardrail hooks
    • Role-Based Access Control, SSO (Okta), Granular Budget & Rate Limits
    • Private Cloud Deployment, VPC Hosting, Data Export to Data Lakes
    • SOC2 Type 2, GDPR, HIPAA compliance certifications
    • +3 more
as of verify ↗

ZenML

Open sourceFree tier

Free open-source tier. Paid ZenML Pro tier (details require account login)

  • Open SourceFree
    • Unlimited pipeline executions
    • Full orchestration capabilities
    • Automatic logging and versioning
    • No vendor lock-in
  • ProPricing not publicly available
    • Managed cloud hosting
    • Unified dashboard and observability
    • Advanced security controls
    • Enterprise integrations
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Portkey
ZenML
CLI
Portkey
ZenML
Deployment
Cloud / SaaS
Portkey
ZenML
Self-hosted
Portkey
ZenML
On-premise
Portkey
ZenML
Hybrid
Portkey
ZenML

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Portkey

Leader
15 total
  • OpenAI
  • Google Cloud (Vertex AI, Gemini)
  • Azure
  • AWS
  • GCP
  • Langgraph
  • CrewAI
  • Strands Agents
  • Google ADK
  • Anthropic
  • Claude
  • Mistral
  • Google
  • MongoDB
  • Vertex AI
Independently observed

ZenML

6 total
  • Git
  • GitHub
  • GitLab
  • Kubernetes
  • Docker
  • Poetry
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.

Portkey vs ZenML: an evidence-based comparison · Vioscale