vioscaleAI
Comparison

LangSmith 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.

LangSmith full profile →Portkey full profile →
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LangSmith52
★Portkey79
Score
vioscaleAI score
LangSmith52 / 100low · 12%
Portkey79 / 100medium · 74%
Pricing
Free tier
LangSmith–
Portkey✓
Model
LangSmith–
Portkeyfreemium
Price level
LangSmith–
Portkeymid
Starting price
LangSmith–
Portkey$49
Transparent
LangSmith–
Portkey✓
Integrations
Count
LangSmith–
Portkey1,600
Security
Certifications
Gdpr
LangSmith–
Portkey✓
Hipaa
LangSmith–
Portkey✓
Iso27001
LangSmith–
Portkey✓
Soc2
LangSmith–
Portkey✓
Trust center
Reliability
Status page
LangSmith✓
Portkey✓
Market
Availability
Content
Faq
LangSmith4 items
Portkey6 items

Capabilities

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

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

What each one is

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

LangSmith

LangSmith enables users to observe, evaluate, and deploy AI agents through a web interface that requires no coding. The platform provides tools for agent engineering and monitoring.

Independently observed

Portkey

Leader

Platform providing API gateway functionality, observability with logging and traces, safety guardrails, access governance, and prompt version management for teams deploying AI applications at scale.

Independently observed

Pricing

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

LangSmith

Pricing not documented yet.

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
LangSmith✓
Portkey✓
CLI
LangSmith✗
Portkey✓
Deployment
Cloud / SaaS
LangSmith✓
Portkey✓
Self-hosted
LangSmith✗
Portkey✓
On-premise
LangSmith✗
Portkey✓
Hybrid
LangSmith✗
Portkey✓

Integrations

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

LangSmith

Not documented yet.

Portkey

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

LangSmith 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.