LiteLLMvsPerplexity

Full side-by-side comparison — features, pricing, platforms, and which one wins in 2026.

LiteLLM

LLM APIs & Inference

Unified API proxy for 100+ LLM providers — one interface, any model

Full review →Website ↗

Perplexity

AI Search

AI-powered search engine with real-time citations

Full review →Website ↗
FeatureLiteLLMPerplexity
CategoryLLM APIs & InferenceAI Search
PricingFree (open-source), hosted proxy availableFree + Pro $20/mo
GitHub Stars
✓ More stars
16k
—
PlatformsLinux, macOS, DockerWeb, iOS, Android
Key Features
  • ✓ Unified API for 100+ LLM providers
  • ✓ Load balancing across multiple API keys/providers
  • ✓ Automatic fallbacks when providers fail
  • ✓ Spend tracking and budget alerts per team/project
  • ✓ Rate limiting and retry logic built-in
  • ✓ OpenAI SDK compatible — zero code changes
  • ✓ Self-hostable proxy server
  • ✓ Supports streaming, function calling, vision
  • ✓ Real-time search
  • ✓ Citations
  • ✓ Follow-up questions
  • ✓ File upload
  • ✓ API
  • ✓ Collections
Pros
  • + One API for 100+ providers
  • + Built-in load balancing and fallbacks
  • + Spend tracking and rate limiting
  • + OpenAI SDK compatible
  • + Answers with cited sources
  • + Real-time web search
  • + Clean, fast interface
  • + Pro Search for deeper research
  • + Free tier available
Cons
  • − Adds a proxy layer (slight latency)
  • − Complex config for advanced features
  • − $20/mo for Pro features
  • − Sometimes hallucinates sources
  • − Limited for non-search tasks
  • − API pricing can add up
Tags
api-gatewaymulti-providerproxyopen-source
searchresearchcitationswebapi

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