Comparison

LlamaIndex vs Weights & Biases

No clear leader: LlamaIndex (65.1) and Weights & Biases (64.6) 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.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
LlamaIndex65
Weights & Biases65
Score
vioscaleAI score
LlamaIndex65 / 100medium · 69%
Weights & Biases65 / 100low · 44%
Pricing
Free tier
LlamaIndex✓
Weights & Biases✓
Model
LlamaIndexfreemium
Weights & Biasesfree
Price level
LlamaIndexmid
Weights & Biasesfree
Starting price
LlamaIndex$50
Weights & Biases–
Transparent
LlamaIndex✓
Weights & Biases✗
Integrations
Count
LlamaIndex3
Weights & Biases9
Reliability
Sla pct
LlamaIndex99.9
Weights & Biases–
Status page
LlamaIndex✓
Weights & Biases✓
Adoption
Dependent repos
LlamaIndex0
Weights & Biases9,299
Github stars
LlamaIndex52,481
Weights & Biases11,268
Package downloads weekly
LlamaIndex1,685,400
Weights & Biases–
Activity
Commits last 30d
LlamaIndex28
Weights & Biases100
Release
Cadence days
LlamaIndex17
Weights & Biases16
History
LlamaIndex20 items
Weights & Biases20 items
License
Spdx
LlamaIndexMIT
Weights & BiasesMIT
Language
Primary
LlamaIndexPython
Weights & BiasesPython
Market
Availability
Weights & Biases–
Content
Faq
LlamaIndex8 items
Weights & Biases6 items

Capabilities

Feature-by-feature on the axes that matter for mlops & llmops tools. “-” means undocumented, not absent.

Core
Tool role
LlamaIndexAgent / RAG framework
Weights & BiasesEnd-to-end ML platform
Deployment
Self-hostable / OSS core
LlamaIndex✓
Weights & Biases✓
Managed cloud available
LlamaIndex✓
Weights & Biases✓
On-prem / VPC deployment
LlamaIndex✓
Weights & Biases✓
Observability
LLM tracing / observability
LlamaIndex✗
Weights & Biases✓
Evaluation (offline / LLM-judge / human)
LlamaIndex✗
Weights & Biases✓
Dev
Prompt management + versioning
LlamaIndex✗
Weights & Biases✓
Tracking
Experiment tracking / model registry
LlamaIndex✗
Weights & Biases✓
Serving
Model serving / inference endpoint
LlamaIndex✓
Weights & Biases✓
Interop
OpenTelemetry / OpenLLMetry compatible
LlamaIndex✓
Weights & Biases-
Framework-agnostic
LlamaIndex✓
Weights & Biases✓
Gateway
Multi-provider model support
LlamaIndex✓
Weights & Biases✓
Data
No-train-on-customer-data guarantee
LlamaIndexUnknown
Weights & Biases-

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.

Independently observed

Weights & Biases

A collaborative development platform that enables tracking of ML experiments, versioning of models, evaluation of AI systems, and deployment to production. It provides specialized observability and tracing capabilities for LLM applications, with support for both managed cloud and self-hosted infrastructure.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

LlamaIndex

from $50/moHybridFree tier

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
as of verify ↗

Weights & Biases

FreeFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
LlamaIndex✓
Weights & Biases✓
iOS
LlamaIndex✗
Weights & Biases✓
CLI
LlamaIndex✓
Weights & Biases✓
Deployment
Cloud / SaaS
LlamaIndex✓
Weights & Biases✓
Self-hosted
LlamaIndex✗
Weights & Biases✓
On-premise
LlamaIndex✗
Weights & Biases✓
Hybrid
LlamaIndex✓
Weights & Biases✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

LlamaIndex

3 total
  • AWS
  • Microsoft Azure
  • GitHub
Independently observed

Weights & Biases

16 total
  • OpenAI
  • Alibaba Qwen
  • Meta Llama
  • Microsoft Phi
  • Hangzhou DeepSeek
  • Z.ai GLM
  • MoonshotAI Kimi
  • CoreWeave
  • LangChain
  • TensorBoard
  • AWS Bedrock
  • Claude Code
  • Google Agent Development Kit
  • SambaNova Cloud
  • Friendli
  • deepset
Independently observed
Still deciding?

LlamaIndex or Weights & Biases: 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.