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Mem0 vs Promptfoo

Mem0 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

AttributeMem0Promptfoo
Product statusStatus not recordedStatus not recorded
VendorMem0 Inc.Promptfoo
Rating★ 4.6★ 4.6
PricingFreemiumFreemium
PlatformsLibrary, API, CloudCLI, Library, Cloud
Key featuresAdd, search, update and delete memories, User, agent and run scoping, Managed Platform APIConfiguration-based evaluations, Red-team probes, CI threshold checks
Headquarters—San Francisco, USA
Launched——
Open sourceYesYes

Key differences

  • Mem0 and Promptfoo carry the same editorial score (4.6★).
  • Both Mem0 and Promptfoo use a Freemium model.
  • Both Mem0 and Promptfoo are open source.
  • Mem0 runs on Library, API, Cloud; Promptfoo runs on CLI, Library, Cloud.

Mem0 and Promptfoo at a glance

Mem0

Mem0 Inc.

A memory layer for AI applications, offered as a managed API and an Apache-licensed library; hosting, features, model costs and data terms differ.

Rating
4.6★
Pricing
Freemium

Editorial verdict

Decide between managed memory and a library you operate, then check request costs, feature gaps and the free-versus-paid data license before storing user history.

Strengths

  • Documented memory operations and entity scoping
  • Managed and configurable library deployment paths

Key features

  • Add, search, update and delete memories
  • User, agent and run scoping
  • Managed Platform API
  • Configurable self-hosted library

Best for

  • Personalization with consent and scoped retrieval
  • Maintaining and revising an agent's stored context
Read the full Mem0 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.
  • Mem0 also lists: Add, search, update and delete memories, User, agent and run scoping, Managed Platform API, Configurable self-hosted library
  • 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 Mem0 or Promptfoo better?

Mem0 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, Mem0 or Promptfoo?

Both Mem0 and Promptfoo use a Freemium pricing model.

Are Mem0 and Promptfoo open source?

Yes — both Mem0 and Promptfoo are open source.

What platforms do Mem0 and Promptfoo support?

Mem0 supports Library, API, Cloud; Promptfoo supports CLI, Library, Cloud.

What are the main features of Mem0 and Promptfoo?

Mem0: Add, search, update and delete memories, User, agent and run scoping, Managed Platform API, Configurable self-hosted library. Promptfoo: Configuration-based evaluations, Red-team probes, CI threshold checks, Provider output comparisons, Free Community and quoted enterprise plans.

Visit Mem0 →Visit Promptfoo →

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