LiteLLM

LiteLLM

Open-source LLM gateway routing multiple providers

Overview

LiteLLM provides an open-source LLM gateway and Python SDK that connects to 100+ LLM APIs and standardizes responses in an OpenAI-compatible format, acting as a translator across AI schemas to reduce vendor lock-in. Built on Python and FastAPI, it offers routing features like load balancing, automatic fallbacks, and regional prioritization, plus a centralized dashboard for cost and token usage. The platform emphasizes enterprise control with observability integrations (Prometheus, Langfuse, Sentry) and an open-core model where advanced features such as SSO, RBAC, and team budgets are available in a paid Enterprise Edition. Its target customers are large organizations and fast-growing companies in regulated industries needing data residency and strict operational governance.

YC Company

About LiteLLM

Simplify's Rating
Why LiteLLM is rated
C
Rated C on Competitive Edge
Rated B on Growth Potential
Rated D+ on Differentiation

Industries

Data & Analytics

Enterprise Software

AI & Machine Learning

Company Size

11-50

Company Stage

Seed

Total Funding

$630K

Headquarters

San Francisco, California

Founded

2023

People at LiteLLM

People at LiteLLM who can refer or advise you

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Simplify's Take

What believers are saying

  • Integration with Akto enables real-time prompt injection and data leakage protection across enterprise AI agent stacks
  • Partnerships with Portkey and Langchain enhance end-to-end security trust for high-growth startup and enterprise clients
  • 18K+ GitHub stars and adoption by Adobe, Rocket Money, Samsara validate reliability as open-source LLM gateway

What critics are saying

  • March 2026 supply chain attack via poisoned Trivy injected backdoored 1.82.7/1.82.8, stealing cloud credentials and Kubernetes secrets
  • CVE-2026-42271 enables unauthenticated RCE in vulnerable deployments, allowing attackers to execute commands as proxy process
  • Defense and healthcare clients may terminate subscriptions after data residency breaches, risking existential revenue collapse by v1.83.0

What makes LiteLLM unique

  • LiteLLM provides a unified open-source LLM gateway standardizing 100+ APIs via OpenAI-compatible format
  • Its B2B open-core model offers free SDK/routing while monetizing Enterprise Edition with SSO, RBAC, budget controls
  • Advanced routing includes load balancing, auto-fallbacks, and global observability integrations with Prometheus, Langfuse, Sentry

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Funding

Total Funding

$630k

Below

Industry Average

Funded Over

2 Rounds

Notable Investors:
Seed funding is usually the first official round after pre-seed, when a startup has a prototype or concept. It’s typically used to develop the product, test the market, and start building the team. Investors here are often angel investors or early-stage venture capitalists.
Seed Funding Comparison
Below Average

Industry standards

$3.3M
$1.5M
Slack
$2M
Netflix
$2.3M
Instacart
$3M
Robinhood

Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Company Match

Growth & Insights

Headcount

6 month growth

-14%

1 year growth

-14%

2 year growth

-14%

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