vioscale
Comparison

Langfuse 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.

Langfuse full profile →Portkey full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Langfuse64
★Portkey79
Score
Vioscale score
Langfuse64 / 100medium · 66%
Portkey79 / 100high · 76%
Pricing
Free tier
Langfuse✓
Portkey✓
Model
Langfusefreemium
Portkeyfreemium
Price level
Langfuselow
Portkeymid
Starting price
Langfuse–
Portkey$49
Transparent
Langfuse✗
Portkey✓
Integrations
Count
Langfuse100
Portkey1,600
Security
Gdpr
Langfuse✓
Portkey✓
Hipaa
Langfuse✓
Portkey✓
Iso27001
Langfuse✓
Portkey✓
Soc2
Langfuse✓
Portkey✓
Vulnerabilities
Reliability
Status page
Langfuse✓
Portkey✓
Adoption
Dependent repos
Langfuse0
Portkey–
Github stars
Langfuse33,763
Portkey–
Package downloads weekly
Langfuse6,083,004
Portkey–
Activity
Commits last 30d
Langfuse100
Portkey–
Release
History
Langfuse20 items
Portkey–
License
Spdx
LangfuseMIT
Portkey–
Language
Primary
LangfuseTypeScript
Portkey–
Market
Availability

Capabilities

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

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

What each one is

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

Langfuse

A comprehensive observability and development platform that combines tracing, prompt management, evaluation, and experimentation, enabling teams to understand LLM behavior in production and ship improved applications with confidence

Independently observed

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

Pricing

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

Langfuse

SubscriptionFree tier

Multiple tiers available; specific pricing not shown in provided text

  • HobbyFree
  • Core-
  • Enterprise-
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
Langfuse✓
Portkey✓
CLI
Langfuse✓
Portkey✗
Deployment
Cloud / SaaS
Langfuse✓
Portkey✓
Self-hosted
Langfuse✓
Portkey✓
Hybrid
Langfuse✗
Portkey✓

Integrations

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

In common (4)
  • Google ADK
  • CrewAI
  • OpenAI
  • Anthropic

Langfuse

23 total - 19 not shared
  • LangChain
  • Vercel AI SDK
  • LiteLLM
  • Pydantic AI
  • LiveKit
  • Haystack
  • LlamaIndex
  • Amazon Bedrock
  • Azure OpenAI
  • Mistral AI
  • Google Gemini
  • xAI
  • vLLM
  • Groq
  • OpenAI SDK
  • Cohere
  • Elasticsearch
  • OpenSearch
  • Hugging Face
Independently observed

Portkey

Leader
15 total - 11 not shared
  • Google Cloud (Vertex AI, Gemini)
  • Azure
  • AWS
  • GCP
  • Langgraph
  • Strands Agents
  • Claude
  • Mistral
  • Google
  • MongoDB
  • Vertex AI
Independently observed

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