Every guide labels what we tested

Honest guides to testing with AI, and testing AI itself.

Tool reviews, current pricing, LLM evaluation tutorials and career roadmaps from a working QA engineer. No vendor marketing. Every guide says what we tested and what we only researched.

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promptfoo eval · sample output
$ promptfoo eval
PASS  answer-relevancy
PASS  faithfulness
WARN  hallucination-rate
FAIL  prompt-injection  # 2 cases
CI gate blocked the release 

Illustration of an LLM evaluation run, not real results.

Tested hands-on by a working QA engineer Affiliate links always disclosed Prices dated and linked to the source

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Test Automation & APIs

Playwright AI Guide 2026: Test Agents and MCP Explained

Playwright has free AI test agents (planner, generator, healer) and an MCP server. What they do, how to set them up, and what we…

11 min read
Tool Reviews
AI-nativeHands-on testedVisual AI

Percy Review 2026: Free Plan, Pricing & Verdict

Percy is BrowserStack's visual testing tool with a free plan of 5,000 screenshots a month. Pricing, AI review limits, pros, cons and who it…

7 min read
Alternatives & Pricing
AI-nativeHands-on testedVisual AI

Best AI Visual Testing Tools (2026): Free and Paid Compared

Applitools, Percy, Chromatic, Playwright, BackstopJS and reg-suit compared: AI vs pixel comparison, free plans, 2026 prices and which to pick.

8 min read
LLM & AI Testing
Hands-on testedLLM evalOpen source

Promptfoo vs DeepEval: Which LLM Evaluation Framework Should You Choose?

Promptfoo vs DeepEval — practical comparison for QA engineers and SDETs. Covers red teaming, RAG evaluation, multi-model benchmarking, CI/CD, and clear recommendations by role…

18 min read
LLM & AI Testing
AI securityHands-on testedLLM evalOpen source

Promptfoo Tutorial (2026): Step-by-Step LLM Testing for QA Engineers

Complete Promptfoo tutorial for QA engineers and SDETs. Covers installation, YAML configuration, assertions, LLM-as-a-Judge, multi-model testing, red teaming, GitHub Actions CI/CD, troubleshooting, and real-world…

28 min read
AI for QA Workflows
AgenticAI-native

Cursor AI for Test Automation — 2026 SDET Guide [Code Included]

Cursor AI for test automation — complete 2026 guide from a real QA engineer. Includes .cursorrules setup, 10 daily prompts, Playwright code examples, run-and-fix…

13 min read

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Zain Ul Rehman

Who writes this

Zain Ul Rehman, QA automation engineer

I test AI tools and AI apps for a living and publish what I find, including when a tool disappoints.

About me

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