Comparison

Portkey vs TensorZero

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 formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Portkey79
TensorZero56
Score
vioscaleAI score
Portkey79 / 100medium · 74%
TensorZero56 / 100low · 48%
Pricing
Free tier
Portkey✓
TensorZero✓
Model
Portkeyfreemium
TensorZeroopen_source
Price level
Portkeymid
TensorZerofree
Starting price
Portkey$49
TensorZero–
Transparent
Portkey✓
TensorZero–
Integrations
Count
Portkey1,600
TensorZero4
Security
Certifications
Gdpr
Portkey✓
TensorZero–
Hipaa
Portkey✓
TensorZero–
Iso27001
Portkey✓
TensorZero–
Soc2
Portkey✓
TensorZero–
Trust center
Reliability
Status page
Portkey✓
TensorZero–
Adoption
Dependent repos
Portkey–
TensorZero0
Github stars
Portkey–
TensorZero11,707
Release
Cadence days
Portkey–
TensorZero6
History
Portkey–
TensorZero20 items
License
Spdx
Portkey–
TensorZeroApache-2.0
Language
Primary
Portkey–
TensorZeroRust
Market
Availability
TensorZero–
Content
Faq
Portkey6 items
TensorZero6 items

Capabilities

Feature-by-feature on the axes that matter for llm gateways. “-” means undocumented, not absent.

Capabilities
Openai compatible API
Portkey✓
TensorZero✓
Automatic failover
Portkey✓
TensorZero✓
Routing strategy
PortkeyLoad based
TensorZero-
Caching
PortkeySemantic
TensorZero-
Virtual key management
Portkey✓
TensorZero✓
Budget spend controls
Portkey✓
TensorZero-
Rate limiting
Portkey✓
TensorZero-
Guardrails moderation
PortkeyVia integration
TensorZero-
Request cost observability
Portkey✓
TensorZero✓
Streaming support
Portkey-
TensorZero-
Deployment model
PortkeyManaged SaaS
TensorZeroSelf hosted
Open source
Portkey✓
TensorZero✓
Pricing model
Portkeypay_per_10k_traces
TensorZeroOpen source self host

What each one is

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

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

TensorZero

A self-hosted platform that combines deployment, monitoring, evaluation, and optimization for language model applications. It enables teams to manage multiple model providers through a single interface, measure performance across different configurations, and automatically improve routing strategies and prompts.

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 ↗

TensorZero

Open source
as of verify ↗

Platform & deployment

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

Platforms
Web
Portkey✓
TensorZero✓
CLI
Portkey✓
TensorZero✗
Deployment
Cloud / SaaS
Portkey✓
TensorZero✗
Self-hosted
Portkey✓
TensorZero✓
On-premise
Portkey✓
TensorZero✗
Hybrid
Portkey✓
TensorZero✗

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

TensorZero

4 total - 3 not shared
  • Ollama
  • Slack
  • Teams
Independently observed
Still deciding?

Portkey or TensorZero: 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.