LiteLLMvsDocling

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 ↗

Docling

Data & ETL

IBM's document conversion tool for AI pipelines

Full review →Website ↗
FeatureLiteLLMDocling
CategoryLLM APIs & InferenceData & ETL
PricingFree (open-source), hosted proxy availableFree (open-source)
GitHub Stars
✓ More stars
16k
15k
PlatformsLinux, macOS, DockerLinux, macOS, Windows
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
  • ✓ PDF conversion
  • ✓ Table extraction
  • ✓ OCR
  • ✓ Markdown output
  • ✓ LlamaIndex integration
Pros
  • + One API for 100+ providers
  • + Built-in load balancing and fallbacks
  • + Spend tracking and rate limiting
  • + OpenAI SDK compatible
  • + Excellent PDF parsing
  • + Table extraction
  • + OCR capability
  • + IBM Research quality
  • + LlamaIndex integration
Cons
  • − Adds a proxy layer (slight latency)
  • − Complex config for advanced features
  • − Heavy dependencies
  • − Can be slow on large docs
  • − Python only
  • − Complex output format
Tags
api-gatewaymulti-providerproxyopen-source
documentspdfconversionibm

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