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AI Gateway tool profile

LiteLLM

LiteLLM is an open-source AI gateway that puts 100+ LLM providers behind one OpenAI-compatible API, with virtual keys and teams, spend tracking, budgets and rate limits, LLM fallbacks, request/response logging, and Prometheus metrics. The core gateway is free to self-host; an Enterprise edition adds governance, security, and support, priced annually by request capacity and never per token.

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Best for
Developers and platform teams who want a self-hosted, free AI gateway with granular spend control, virtual keys, and fallbacks — without per-token platform fees.
Starting point
Open source and self-hosted is free forever ($0): 100+ providers behind one OpenAI-compatible API with virt...
Free plan
Free tier available
Key limitation
Self-hosted: you run and maintain the gateway (PostgreSQL plus optional Redis), so uptime, upgrades, and operations are on you.

Where it fits

Developers and platform teams who want a self-hosted, free AI gateway with granular spend control, virtual keys, and fallbacks — without per-token platform fees.

DevelopersAI platform teamsML engineersAI gateway / LLM proxymodel routing and fallbacksspend tracking and budgetsvirtual API keys and teams
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Pricing note

Open source and self-hosted is free forever ($0): 100+ providers behind one OpenAI-compatible API with virtual keys, users and teams, spend tracking, budgets and rate limits, LLM fallbacks, request/response logging, and Prometheus metrics. Enterprise is priced annually by gateway request capacity (never per token) and adds SSO/SCIM, OIDC/JWT auth, audit logs, secret managers and key rotation, org and team admins, multi-region control plane, 24/7 support with SLAs, and air-gap deployment; a 30-day trial key is available without a credit card. Verified 2026-08-14 on litellm.ai/pricing.

Verify the current plan, credits, output limits, and commercial terms before purchasing.

Is it legit?

Who is behind LiteLLM, where it is based, and what is publicly known about its funding. Company details change — verify on the official site before committing.

Company
BerriAI
Funding
Maintained by BerriAI (pricing page footer: Berrie AI Incorporated).

Trade-offs to check

  • Self-hosted: you run and maintain the gateway (PostgreSQL plus optional Redis), so uptime, upgrades, and operations are on you.
  • Enterprise governance features (SSO/SCIM, audit logs, secret managers, SLAs) require the paid Enterprise edition.
  • Independent open-source project (BerriAI) — not an official product of OpenAI, Anthropic, Google, or any listed provider.

Evaluation guide

Step-by-step evaluation guides for LiteLLM — workflow fit, pricing, rights, and a same-input test before paying.

Compare LiteLLM with alternatives

Side-by-side pages that weigh LiteLLM against overlapping tools on the same five fields.

openrouterRead the openrouter comparison →

Where LiteLLM appears

Best-of lists and roundups that include LiteLLM.

Best AI API gateways for creators and developersRead →

Official sources

These links are retained beside the catalog record so changing details can be rechecked.