vioscaleAI
Comparison

Portkey vs Weights & Biases

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.

Portkey full profile →Weights & Biases full profile →
Machine formatsMarkdownJSONGraphQLAll open, no key required.
★Portkey79
Weights & Biases63
Score
vioscaleAI score
Portkey79 / 100high · 76%
Weights & Biases63 / 100low · 44%
Pricing
Free tier
Portkey✓
Weights & Biases–
Model
Portkeyfreemium
Weights & Biasescommercial
Price level
Portkeymid
Weights & Biases–
Starting price
Portkey$49
Weights & Biases–
Transparent
Portkey✓
Weights & Biases–
Integrations
Count
Portkey1,600
Weights & Biases4
Security
Certifications
Disclosure policy
Portkey–
Weights & Biases✓
Gdpr
Portkey✓
Weights & Biases✓
Hipaa
Portkey✓
Weights & Biases✓
Iso27001
Portkey✓
Weights & Biases✓
Soc2
Portkey✓
Weights & Biases✓
Vulnerabilities
Reliability
Status page
Portkey✓
Weights & Biases✓
Adoption
Dependent repos
Portkey–
Weights & Biases9,299
Github stars
Portkey–
Weights & Biases11,246
Activity
Commits last 30d
Portkey–
Weights & Biases100
Release
Cadence days
Portkey–
Weights & Biases16
History
Portkey–
Weights & Biases20 items
License
Spdx
Portkey–
Weights & BiasesMIT
Language
Primary
Portkey–
Weights & BiasesPython
Market
Availability
PortkeyAvailable worldwide
Weights & Biases–
Content
Faq
Portkey6 items
Weights & Biases6 items

Capabilities

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

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

What each one is

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

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

Weights & Biases

Weights & Biases provides an AI development platform for building and managing machine learning models with integrated experiment tracking, dataset and model management, prompt versioning, and collaborative code features. It supports multiple deployment options including cloud-hosted SaaS, dedicated instances, and self-managed deployments.

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 ↗

Weights & Biases

Pricing not documented yet.

Platform & deployment

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

Platforms
Web
Portkey✓
Weights & Biases✓
iOS
Portkey✗
Weights & Biases✓
CLI
Portkey✓
Weights & Biases✗
Deployment
Cloud / SaaS
Portkey✓
Weights & Biases✓
Self-hosted
Portkey✓
Weights & Biases✓

Integrations

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

In common (1)
  • OpenAI

Portkey

Leader
16 total - 15 not shared
  • 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

Weights & Biases

10 total - 9 not shared
  • Alibaba Qwen
  • Meta Llama
  • Microsoft Phi
  • Hangzhou DeepSeek
  • Z.ai GLM
  • MoonshotAI Kimi
  • CoreWeave
  • LangChain
  • TensorBoard
Independently observed
Still deciding?

Portkey or Weights & Biases: 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.