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promptfoo Alternatives

2 alternatives to promptfoo — free and paid AI coding tools covering similar jobs, with pricing and standout strengths.

Looking for a promptfoo alternative? promptfoo is listed under Evaluation (open source). The 2 tools below cover similar jobs, closest matches first — the table compares pricing, license, and platforms so you can shortlist quickly, and each entry further down adds a fuller summary and a link to the full profile.

ToolPricingLicensePlatformsCategory
DeepEvalopen sourceApache-2.0—Evaluation
LLM Guardopen sourceMITLinux, macOS, WindowsSDK

promptfoo alternatives in detail

  1. DeepEval

    open sourceApache-2.0Evaluation

    DeepEval is an open-source Python framework that brings unit-testing ergonomics to LLM evaluation. It ships research-backed metrics (G-Eval, faithfulness, answer relevancy, hallucination, RAG and agent metrics) you assert on like pytest, so eval becomes a CI gate instead of a vibe check.

    Read: Best LLM & RAG Evaluation Tools in 2026: DeepEval vs RAGAS vs LangSmith vs Phoenix vs promptfoo

  2. LLM Guard

    open sourceMITLinux, macOS, WindowsSDK

    LLM Guard is an open-source (MIT) toolkit of input and output scanners for securing LLM apps. Input scanners detect prompt injection, anonymize PII, catch secrets, and ban topics; output scanners check responses for leakage, relevance, and unsafe content. Built by Protect AI, it runs self-hosted so scanned data never leaves your environment.