Best LiteLLM alternatives
3 tools developers use instead of LiteLLM, ranked by popularity. 3 offer a free plan and 1 is open source. Updated October 2026.
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OpenRouter
Free planUnified API and marketplace for LLMs, routing requests to the best available provider for a given model and handling failover automatically across dozens of providers.
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Open-source LLM observability proxy that sits between your app and a model provider, logging requests, costs, and latency with a one-line integration change.
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Portkey
Free planAI gateway for production LLM apps, combining provider routing and failover with caching, guardrails, and observability in one managed layer.