Comparison

LiteLLM vs TensorZero

No clear leader: LiteLLM (57.6) and TensorZero (56.2) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
LiteLLM58
TensorZero56
Score
vioscaleAI score
LiteLLM58 / 100low · 35%
TensorZero56 / 100low · 48%
Pricing
Free tier
LiteLLM✓
TensorZero✓
Model
LiteLLMfreemium
TensorZeroopen_source
Price level
LiteLLMlow
TensorZerofree
Transparent
LiteLLM✗
TensorZero–
Integrations
Count
LiteLLM140
TensorZero4
Adoption
Dependent repos
LiteLLM–
TensorZero0
Github stars
LiteLLM–
TensorZero11,707
Release
Cadence days
LiteLLM–
TensorZero6
History
LiteLLM–
TensorZero20 items
License
Spdx
LiteLLM–
TensorZeroApache-2.0
Language
Primary
LiteLLM–
TensorZeroRust
Market
Availability
TensorZero–
Content
Faq
LiteLLM5 items
TensorZero6 items

Capabilities

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

Capabilities
Openai compatible API
LiteLLM✓
TensorZero✓
Automatic failover
LiteLLM✓
TensorZero✓
Routing strategy
LiteLLMCost based
TensorZero-
Caching
LiteLLM-
TensorZero-
Virtual key management
LiteLLM✓
TensorZero✓
Budget spend controls
LiteLLM✓
TensorZero-
Rate limiting
LiteLLM✓
TensorZero-
Guardrails moderation
LiteLLMBuilt in
TensorZero-
Request cost observability
LiteLLM✓
TensorZero✓
Streaming support
LiteLLM-
TensorZero-
Deployment model
LiteLLMSelf hosted
TensorZeroSelf hosted
Open source
LiteLLM✓
TensorZero✓
Pricing model
LiteLLMOpen source self host
TensorZeroOpen source self host

What each one is

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

LiteLLM

An open-source AI gateway that abstracts access to over 140 language model providers behind a single OpenAI-compatible API, enabling teams to implement spend tracking, request routing, and governance controls without changing application code.

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.

LiteLLM

HybridFree tier30-day trial

Free open-source self-hosted tier; Enterprise priced to scale

  • Open SourceFree
    • 100+ LLM providers, one OpenAI API
    • Virtual keys, users & teams
    • Spend tracking
    • Budgets + rate limits
    • LLM fallbacks
    • +3 more
  • EnterpriseContact sales
    • Everything in Open Source, plus:
    • SSO + SCIM
    • OIDC / JWT auth
    • Audit logs
    • Secret managers + key rotation
    • +5 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
LiteLLM✓
TensorZero✓
CLI
LiteLLM✓
TensorZero✗
Deployment
Cloud / SaaS
LiteLLM✓
TensorZero✗
Self-hosted
LiteLLM✓
TensorZero✓
On-premise
LiteLLM✓
TensorZero✗
Air-gapped
LiteLLM✓
TensorZero✗

Integrations

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

In common (2)
  • OpenAI
  • Slack

LiteLLM

36 total - 34 not shared
  • Anthropic
  • Azure
  • AWS Bedrock
  • Cloudflare
  • Google VertexAI
  • Meta Llama
  • Mistral AI
  • NLP Cloud
  • OVHCloud
  • vLLM
  • Nvidia NIM
  • Discord
  • Microsoft Teams
  • PagerDuty
  • Prometheus
  • AWS Secrets Manager
  • Google Cloud Secret Manager
  • MCP servers
  • Gemini
  • Bedrock
  • VertexAI
  • Langfuse
  • Langsmith
  • Datadog
  • +10 more
Independently observed

TensorZero

4 total - 2 not shared
  • Ollama
  • Teams
Independently observed
Still deciding?

LiteLLM 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.