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.
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 | ||
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Testing & QA | Security |
Rating | - | - |
Free plan | Yes | Yes |
Choose QAgent or Promptfoo?
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
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
| Feature | QAgent | Promptfoo |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | No ratings yet | No ratings yet |
| Categories | Testing & QAAutomation | SecurityTesting & QA |
In-Depth Analysis
QAgent
Automate AI agent testing across 8 dimensions
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
Promptfoo
Build secure AI applications with AI security testing integrated into your development workflow.
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
Pricing: QAgent vs Promptfoo
| Plan | QAgent | Promptfoo |
|---|---|---|
| Tier 1 | N/A | Free Free |
| Tier 2 | N/A | $50 month Cloud |
| Tier 3 | N/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
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
QAgent is a testing & QA tool. Promptfoo is in security. Pick the category that matches your needs.
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.
