Comparison

Arize AI vs LlamaIndex

No clear leader: LlamaIndex (65.1) and Arize AI (61.7) 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.
Arize AI62
LlamaIndex65
Score
vioscaleAI score
Arize AI62 / 100medium · 70%
LlamaIndex65 / 100medium · 69%
Pricing
Free tier
Arize AI✓
LlamaIndex✓
Model
Arize AIfreemium
LlamaIndexfreemium
Price level
Arize AIlow
LlamaIndexmid
Starting price
Arize AI–
LlamaIndex$50
Transparent
Arize AI✗
LlamaIndex✓
Integrations
Count
Arize AI40
LlamaIndex3
Security
Certifications
LlamaIndexSOC 2 Type II
Disclosure policy
Arize AI–
LlamaIndex✓
Gdpr
Arize AI✓
LlamaIndex✓
Hipaa
Arize AI✓
LlamaIndex✓
Iso27001
Arize AI✓
LlamaIndex–
Pci
Arize AI✓
LlamaIndex–
Soc2
Arize AI✓
LlamaIndex✓
Trust center
Reliability
Sla pct
Arize AI–
LlamaIndex99.9
Status page
Arize AI✓
LlamaIndex✓
Adoption
Dependent repos
Arize AI–
LlamaIndex0
Github stars
Arize AI–
LlamaIndex52,481
Package downloads weekly
Arize AI–
LlamaIndex1,685,400
Activity
Commits last 30d
Arize AI–
LlamaIndex28
Release
Cadence days
Arize AI–
LlamaIndex17
History
Arize AI–
LlamaIndex20 items
License
Spdx
Arize AI–
LlamaIndexMIT
Language
Primary
Arize AI–
LlamaIndexPython
Market
Availability
Arize AI–
Content
Faq
Arize AI5 items
LlamaIndex8 items

Capabilities

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

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

What each one is

The product in its own terms, so the numbers below have context.

Arize AI

Enables development teams to trace LLM application execution, run automated assessments, investigate failures, and iteratively refine AI agents and systems. Offered in two forms: an open-source self-hosted option and a managed cloud service supporting deployment across major cloud providers and on-premise infrastructure.

Independently observed

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

Pricing

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

Arize AI

HybridFree tier
as of verify ↗

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 ↗

Platform & deployment

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

Platforms
Web
Arize AI✓
LlamaIndex✓
CLI
Arize AI✓
LlamaIndex✓
Deployment
Cloud / SaaS
Arize AI✓
LlamaIndex✓
Self-hosted
Arize AI✓
LlamaIndex✗
Hybrid
Arize AI✓
LlamaIndex✓

Integrations

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

In common (1)
  • AWS

Arize AI

33 total - 32 not shared
  • OpenAI
  • Anthropic
  • Azure OpenAI
  • AWS Bedrock
  • Vertex AI
  • Google GenAI
  • NVIDIA NIM
  • Gemini
  • OpenRouter
  • LiteLLM
  • Claude Code
  • Cursor
  • OpenCode
  • LangGraph
  • Vercel AI SDK
  • Mastra
  • CrewAI
  • LlamaIndex
  • DSPy
  • OpenAI Agents SDK
  • Claude Agent SDK
  • BigQuery
  • Databricks
  • Snowflake
  • +8 more
Independently observed

LlamaIndex

3 total - 2 not shared
  • Microsoft Azure
  • GitHub
Independently observed
Still deciding?

Arize AI or LlamaIndex: 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.