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LiteLLM vs Ollama

Self-host pick — both replace OpenAI API (LLM inference API).

Both LiteLLM and Ollama self-host as a replacement for OpenAI API (LLM inference API). Pick LiteLLM if you want teams that want one OpenAI-shaped endpoint in front of many backends (mix of self-hosted + hosted Anthropic + hosted OpenAI for fallback); pick Ollama if you want single-machine deployments and laptops; the easiest on-ramp from OpenAI for a developer team. Both are MIT-family licensed and similar to set up.

LiteLLMopen-sourceOllamaopen-source
LicenseMITMIT
Setup time15min docker-compose (proxy + Postgres for usage logs)5min single binary
Monthly cost$5 VPS for the proxy itself; the underlying model server (Ollama / vLLM / OpenAI passthrough) is the real cost line.Free on a workstation with a 16GB+ GPU; ~$200/mo for an A10/RTX 4090 cloud GPU; CPU-only works for 7B models but is too slow for production.
GitHubBerriAI/litellm ★ 46.9k · last commit todayaliveollama/ollama ★ 171.4k · last commit todayalive
ReplacesOpenAI APIOpenAI API

Good fit for

LiteLLM

Teams that want one OpenAI-shaped endpoint in front of many backends (mix of self-hosted + hosted Anthropic + hosted OpenAI for fallback).

Weak at:Not a model server itself — you still need Ollama/vLLM/cloud APIs behind it; LiteLLM is glue, not GPU.

Ollama

Single-machine deployments and laptops; the easiest on-ramp from OpenAI for a developer team.

Weak at:Multi-tenant serving and batched throughput — Ollama serializes requests; for concurrent traffic switch to vLLM.

In a terminal? npx -y github:SolvoHQ/os-alt-cli openai-api prints OpenAI API's self-host options including both — how the CLI works →

FAQ

Which is easier to self-host, LiteLLM or Ollama?

LiteLLM: 15min docker-compose (proxy + Postgres for usage logs). Ollama: 5min single binary.

What does each cost to run?

LiteLLM: $5 VPS for the proxy itself; the underlying model server (Ollama / vLLM / OpenAI passthrough) is the real cost line.. Ollama: Free on a workstation with a 16GB+ GPU; ~$200/mo for an A10/RTX 4090 cloud GPU; CPU-only works for 7B models but is too slow for production.. Both projects are free and open source.

Do LiteLLM and Ollama replace the same SaaS?

Yes — both are open-source alternatives to OpenAI API.