LiteLLM
Open-source LLM proxy/SDK that normalizes 100+ providers behind the OpenAI format with per-key budgets, spend tracking and rate limits.
| Category | Cost & FinOps |
| Open source | Yes |
| Self-hostable | Yes |
| Pricing model | freemium |
| Pricing notes | MIT OSS proxy free; enterprise tier adds SSO/audit features |
| Framework integrations | openai-sdk, anthropic, langchain, llamaindex |
| Funding / ownership | YC W23 (BerriAI) |
| GitHub stars | 50,218 |
| Maintenance | active (commit 2026-06-13) |
| License (GitHub) | not detected |
| Open issues | 3427 |
| Maturity signal | 90/100 (Mature) — computed from public GitHub signals, see methodology |
Pricing/feature source: https://www.litellm.ai/#pricing
Maturity signal is computed from public GitHub data only. How it is calculated.
Frequently asked questions
Is LiteLLM open source?
Yes.
Can I self-host LiteLLM?
Yes — LiteLLM can run in your own infrastructure.
How much does LiteLLM cost?
Freemium. MIT OSS proxy free; enterprise tier adds SSO/audit features