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QAgent vs Promptfoo: Which is Better in 2026?

Choosing between QAgent and Promptfoo comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Promptfoo wins this matchup. Our overall Testing & QA pick is Testing Library. Our free Testing & QA pick is Testing Library. Pick QAgent if you need testing & QA.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Sep 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

QAgent

Automate AI agent testing across 8 dimensions

Best for you if:

  • You want quick setup with webhook integration and no SDK required
  • You want zero false positive penalties for common agent behaviors like greetings or dynamic IDs

Promptfoo

Build secure AI applications with AI security testing integrated into your development workflow.

Best for you if:

  • You want lLM eval framework
  • You want open source
At a Glance
QAgentQAgent
PromptfooPromptfoo
Starts at
FreeFree tier available
FreeFree tier available
Best For
Testing & QASecurity
Rating
--
Free plan
Yes Yes

Choose QAgent or Promptfoo?

QAgent

Choose QAgent if

Automate AI agent testing across 8 dimensions

  • You want quick setup with webhook integration and no SDK required
  • You want zero false positive penalties for common agent behaviors like greetings or dynamic IDs
  • Your work is testing & QA-shaped, not security-shaped
Promptfoo

Choose Promptfoo if

Build secure AI applications with AI security testing integrated into your development workflow.

  • You want lLM eval framework
  • You want open source
  • Your work is security-shaped, not testing & QA-shaped
FeatureQAgentPromptfoo
Pricing ModelFreemiumFreemium
User RatingNo ratings yetNo ratings yet
Categories
Testing & QAAutomation
SecurityTesting & QA

In-Depth Analysis

QAgentQAgent

Automate AI agent testing across 8 dimensions

Starts at Free

Strengths

  • +Quick setup with webhook integration and no SDK required.
  • +Zero false positive penalties for common agent behaviors like greetings or dynamic IDs.
  • +Comprehensive scoring across multiple quality and safety dimensions.

Weaknesses

  • -Free tier limited to 100 evaluations per month.
  • -Learning curve to define ground truth rules and test rubrics initially.

Key features

Evaluates 8 dimensions: Answer Quality, Anti-Hallucination, Policy Adherence, Escalation Correctness, RAG Faithfulness, Contextual Relevancy, Context Recall, and Context Memory.Defines ground truth rules (pricing, refund windows, knowledge docs) and test rubrics with RFC 2119 expected behavior.Runs adversarial attacks, edge cases, and multi-turn conversations in parallel.Smart exemptions for dynamic ticket IDs, polite greetings, top-chunk focus, and jailbreak attacks to avoid false positives.Generates deterministic pass/fail ratings and step-by-step failure root causes for each test.Transparent audit trail showing user query, expected rubric, agent response, and evaluator findings.

PromptfooPromptfoo

Build secure AI applications with AI security testing integrated into your development workflow.

Starts at Free
Great value

The pricing for Promptfoo is very generous, especially with a robust free tier offering unlimited local evals and all features.

Watch out

No public overage pricing for Cloud

Strengths

  • +LLM eval framework
  • +Open source
  • +Good for testing prompts
  • +Active development
  • +Good documentation

Weaknesses

  • -Learning curve
  • -CLI focused
  • -Newer tool
  • -Limited features
  • -Still maturing

Key features

LLM testingPrompt evaluationRed teamingCI/CD integrationOpen sourceMultiple providers

Pricing: QAgent vs Promptfoo

PlanQAgentPromptfoo
Tier 1N/A
Free
Free
Tier 2N/A
$50 month
Cloud
Tier 3N/A
custom
Enterprise

Pricing verified from each vendor's public pricing page. Compare in detail on QAgent pricing and Promptfoo pricing.

Who Should Use What?

On a budget?

Both are freemium. Compare plans on their websites.

Go with: QAgent

Want the highest-rated option?

Neither has ratings yet.

Too early to call on ratings — compare on features and pricing.

Value user reviews?

Neither has ratings yet.

Too early to call — neither has ratings yet.

3 Questions to Help You Decide

1

What's your budget?

Both are freemium. Pricing won't help you decide here.

2

What's your use case?

QAgent is a testing & QA tool. Promptfoo is in security. Pick the category that matches your needs.

3

How important are ratings?

Neither has ratings yet.

Key Takeaways

Promptfoo

  • Free tier available
  • Our pick for this comparison

QAgent

  • Better fit for testing & QA

The Bottom Line

Promptfoo wins this matchup. Our overall Testing & QA pick is Testing Library. Our free Testing & QA pick is Testing Library.

Frequently Asked Questions

Is QAgent or Promptfoo better?

Promptfoo is rated in our evaluation. Both are freemium.

What are QAgent and Promptfoo used for?

QAgent: Automate AI agent testing across 8 dimensions. Promptfoo: Build secure AI applications with AI security testing integrated into your development workflow..

What does QAgent cost vs Promptfoo?

QAgent is freemium (free tier + paid plans). Promptfoo is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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