Comparison

MLflow vs Portkey

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 formatsMarkdownJSONGraphQLAll open, no key required.
MLflow71
Portkey79
Score
vioscaleAI score
MLflow71 / 100medium · 68%
Portkey79 / 100high · 76%
Pricing
Free tier
MLflow
Portkey
Model
Portkeyfreemium
Price level
MLflowfree
Portkeymid
Starting price
MLflow
Portkey$49
Transparent
MLflow
Portkey
Integrations
Count
MLflow11
Portkey1,600
Security
Gdpr
MLflow
Portkey
Hipaa
MLflow
Portkey
Iso27001
MLflow
Portkey
Scorecard
MLflow5.5
Portkey
Soc2
MLflow
Portkey
Reliability
Status page
MLflow
Portkey
Adoption
Dependent repos
MLflow5,089
Portkey
Github stars
MLflow27,843
Portkey
Package downloads weekly
MLflow9,993,245
Portkey
Activity
Commits last 30d
MLflow100
Portkey
Release
Cadence days
MLflow10
Portkey
History
MLflow20 items
Portkey
License
Spdx
Portkey
Language
Primary
MLflowPython
Portkey
Market
Availability
MLflow
Content
Faq
MLflow6 items
Portkey6 items

Capabilities

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

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

What each one is

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

MLflow

A comprehensive, open-source platform that provides experiment tracking, model registry, LLM tracing, prompt management, and deployment capabilities across the complete machine learning and AI lifecycle

Independently observed

Portkey

Leader

Portkey is an AI gateway platform that routes to 1,600+ language models while incorporating 50+ built-in content safety guardrails. It provides SDKs, CLI tools, and infrastructure components for deploying and managing generative AI applications.

Independently observed

Pricing

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

MLflow

Open sourceFree tier
as of verify ↗

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 ↗

Platform & deployment

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

Platforms
Web
MLflow
Portkey
CLI
MLflow
Portkey
Deployment
Cloud / SaaS
MLflow
Portkey
Self-hosted
MLflow
Portkey

Integrations

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

In common (3)
  • OpenAI
  • Claude Code
  • Anthropic

MLflow

28 total - 25 not shared
  • Databricks
  • AWS S3
  • Google Cloud Storage
  • Azure Storage
  • AzureML
  • Kubernetes
  • LangChain
  • Pydantic AI
  • Anthropic Claude
  • Google Gemini
  • SAP AI Core
  • JFrog
  • Aliyun
  • PostgreSQL
  • MySQL
  • MSSQL
  • OpenAI Codex
  • Gemini
  • Ollama
  • OpenClaw
  • Qwen Code
  • LiteLLM
  • Amazon S3
  • OpenTelemetry/OTLP
  • +1 more
Independently observed

Portkey

Leader
16 total - 13 not shared
  • Google Cloud (Vertex AI, Gemini)
  • Azure
  • AWS
  • GCP
  • Langgraph
  • CrewAI
  • Strands Agents
  • Google ADK
  • Claude
  • Mistral
  • Google
  • MongoDB
  • Vertex AI
Independently observed
Still deciding?

MLflow or Portkey: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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

MLflow vs Portkey: an evidence-based comparison · vioscaleAI