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LiteLLM
One OpenAI-compatible gateway to 100+ LLM providers, with spend tracking you can self-host
Toolora score91Open source
Free / open source; Enterp…
Helicone
AI gateway and observability to route, debug, and analyze LLM apps
Toolora score89Free
Free trial
| Spec | LiteLLM | Helicone | Perplexity |
|---|---|---|---|
| Category | AI Tools | AI Tools | AI Tools |
| Pricing | Free / open source; Enterprise license extra | Free trial + paid | Free + Pro |
| Toolora score | 91/100 | 89/100 | 93/100 |
| Best for | llm, gateway, proxy, openai | llm, observability, gateway, tracing | search, research, citations, llm |
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