LlamaIndex vs vLLM
No clear leader: LlamaIndex (65.1) and vLLM (63.5) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for mlops & llmops tools. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
LlamaIndex
A platform that uses AI models to parse and extract data from documents across 130+ file formats, supporting complex layouts, multiple languages, and multi-step extraction agents. Optimized for accuracy, cost, and latency at enterprise scale.
vLLM
A production-grade inference engine designed for efficient serving of large language models with support for distributed deployment, GPU acceleration, and multi-model endpoints.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
LlamaIndex
Free (10K credits/month), Starter $50/month (400K credits), Pro $500/month (400K + 800K bonus), Pay-as-you-go up to $5,000/month, Enterprise custom
- FreeFree
- Basic support
- 100 users
- 130+ file formats
- 80+ languages supported
- Starter$50/mo
- Basic support
- Multiple parse tiers
- Auto Mode with up to 80% savings
- Saved parse configs
- Advanced table/chart extraction
- +1 more
- Pro$500/mo + $1000 one-time
- Priority Slack support
- All parsing and extraction capabilities
- Extraction agents
- Webhooks & API callbacks
- Smart result caching
- Pay-as-you-go$0.00 per credit
- Priority Slack support
- Flexible credit usage up to $5,000/month
- EnterpriseContact sales
- Volume discounts on credits
- 5x higher rate limits
- Enterprise SSO
- SaaS or Hybrid cloud deployment
- Dedicated account manager
- +1 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
LlamaIndex
- AWS
- Microsoft Azure
- GitHub
vLLM
- Hugging Face
- NVIDIA Dynamo
- OpenAI-compatible API
- Anthropic Messages API
- FlashAttention
- FlashInfer
- CUTLASS
- torch.compile
- gRPC
- GPTQ
- AWQ
- GGUF
- ModelOpt
- TorchAO
- OpenAI API
- Kubernetes
- PyTorch
- Ray
- OpenTelemetry
- Prometheus
- FastAPI
- Transformers
- Outlines
- Google Cloud TPU
- +9 more
LlamaIndex or vLLM: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.