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LlamaIndex vs Promptfoo

LlamaIndex and Promptfoo are both Code Generation tools in our directory. This side-by-side comparison covers pricing, editorial scores, supported platforms, key features and open-source status so you can decide which one fits your needs.

Side-by-side comparison

AttributeLlamaIndexPromptfoo
Product statusStatus not recordedStatus not recorded
VendorLlamaIndex Inc.Promptfoo
Rating★ 4.6★ 4.6
PricingFreemiumFreemium
PlatformsLibrary, Cloud, APICLI, Library, Cloud
Key featuresData connectors and query interfaces, Configurable model and vector-store integrations, MIT framework sourceConfiguration-based evaluations, Red-team probes, CI threshold checks
Headquarters—San Francisco, USA
Launched——
Open sourceYesYes

Key differences

  • LlamaIndex and Promptfoo carry the same editorial score (4.6★).
  • Both LlamaIndex and Promptfoo use a Freemium model.
  • Both LlamaIndex and Promptfoo are open source.
  • LlamaIndex runs on Library, Cloud, API; Promptfoo runs on CLI, Library, Cloud.

LlamaIndex and Promptfoo at a glance

LlamaIndex

LlamaIndex Inc.

A published framework for connecting, indexing and querying data in LLM applications, separate from LlamaParse's hosted document services.

Rating
4.6★
Pricing
Freemium

Editorial verdict

Choose the framework and hosted document pipeline as separate decisions, with quality, storage and usage costs checked on your documents.

Strengths

  • Published MIT library and modular integrations
  • Framework and hosted processing can be selected separately
  • Documented credit units for hosted operations

Key features

  • Data connectors and query interfaces
  • Configurable model and vector-store integrations
  • MIT framework source
  • Optional hosted document services

Best for

  • Building retrieval over an authorized corpus
  • Comparing local orchestration with hosted document processing
Read the full LlamaIndex review →

Promptfoo

Promptfoo

Open-source CLI and library for configured LLM evaluations and red-team tests, with CI integration and separate commercial platform plans.

Rating
4.6★
Pricing
Freemium

Editorial verdict

Consider Promptfoo when you can own the test cases and acceptance criteria; choose a commercial tier for the controls you actually require, and budget model use separately.

Strengths

  • Configuration-based evaluations and provider comparisons
  • Documented CI integration and failure thresholds
  • MIT-licensed CLI and library
  • Commercial cloud and on-premise options

Key features

  • Configuration-based evaluations
  • Red-team probes
  • CI threshold checks
  • Provider output comparisons
  • Free Community and quoted enterprise plans

Best for

  • Checking prompt changes against maintained regression cases
  • Comparing model outputs under the same configured assertions
  • Investigating security failures on authorized LLM applications
Read the full Promptfoo review →

Feature overlap

  • The two tools have no listed features in common — see both feature lists above.
  • LlamaIndex also lists: Data connectors and query interfaces, Configurable model and vector-store integrations, MIT framework source, Optional hosted document services
  • Promptfoo also lists: Configuration-based evaluations, Red-team probes, CI threshold checks, Provider output comparisons, Free Community and quoted enterprise plans

Frequently asked questions

Is LlamaIndex or Promptfoo better?

LlamaIndex and Promptfoo carry the same editorial score (4.6★), so the better choice depends on your needs — see the feature and platform comparison above.

Which is cheaper, LlamaIndex or Promptfoo?

Both LlamaIndex and Promptfoo use a Freemium pricing model.

Are LlamaIndex and Promptfoo open source?

Yes — both LlamaIndex and Promptfoo are open source.

What platforms do LlamaIndex and Promptfoo support?

LlamaIndex supports Library, Cloud, API; Promptfoo supports CLI, Library, Cloud.

What are the main features of LlamaIndex and Promptfoo?

LlamaIndex: Data connectors and query interfaces, Configurable model and vector-store integrations, MIT framework source, Optional hosted document services. Promptfoo: Configuration-based evaluations, Red-team probes, CI threshold checks, Provider output comparisons, Free Community and quoted enterprise plans.

Visit LlamaIndex →Visit Promptfoo →

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