GenAI QA Blog | genai.qa
Practical insights on GenAI application testing - hallucination benchmarking, prompt injection defense, RAG evaluation, agent safety, and compliance documentation for startups.

LangSmith Alternative: Replace LangSmith with Claude Code + Phoenix in 2026 (Save $30K-$200K/year)
Independent guide to replacing LangSmith LLM observability with Arize Phoenix, Helicone, and Claude Code. Cost …

Promptfoo vs DeepEval: LLM Testing Framework Comparison (2026)
Promptfoo vs DeepEval compared - CLI red-teaming vs Python pytest testing, metric coverage, CI/CD integration, cost, and …

DeepEval vs RAGAS: Which LLM Evaluation Framework to Pick in 2026
Head-to-head comparison of DeepEval and RAGAS - metric coverage, setup, CI/CD integration, cost, and decision matrix. …

Hire LLM Engineer 2026 - Salary, Skills, Interview Questions, Portfolio Red Flags
Hiring LLM engineers in 2026 - salary benchmarks (USD 130-400k+), skills matrix (LangChain, RAG, fine-tuning, …

Pinecone vs Weaviate vs Qdrant vs Chroma vs Milvus 2026 Vector DB Guide
Vector databases compared for 2026 - Pinecone, Weaviate, Qdrant, Chroma, Milvus. Ingest speed, query latency, filtering, …

LangFuse vs LangSmith vs Braintrust vs Helicone vs Portkey 2026
LLM observability platforms compared for 2026 - LangFuse, LangSmith, Braintrust, Helicone, Portkey. Tracing, evaluation, …

AI Agent Trajectory Testing 2026: LangSmith vs Braintrust vs Arize Phoenix vs Galileo
Agent trajectory testing compared for 2026 - LangSmith, Braintrust, Arize Phoenix, Galileo, Anthropic Agent evals, …

EU AI Act Compliance for Startups: What You Actually Need to Do by August 2026
A startup-actionable summary of EU AI Act requirements - risk classification, documentation requirements, testing …

What Your Series B Investors Will Ask About AI Safety (And How to Answer)
The 12 most common AI safety and quality questions VCs ask during technical due diligence, with template answers and …

Promptfoo vs DeepEval vs RAGAS: 2026 LLM Evaluation Tools Comparison
In-depth comparison of Promptfoo, DeepEval, and RAGAS - the three leading open-source GenAI evaluation frameworks. …

How to Test AI Agents: Safety Boundaries, Tool Use, and Planning Failures
The first comprehensive guide to testing autonomous AI agents. Covers tool use validation, planning verification, safety …

OWASP LLM Top 10: A Startup CTO's Testing Checklist
Maps the OWASP Top 10 for LLM Applications to concrete testing actions. Severity ratings, testing approaches, tool …

7 Ways RAG Systems Fail in Production (And How to Test for Each)
A detailed breakdown of RAG failure modes - retrieval miss, grounding failure, context overflow, stale data, and more. …

The Complete Guide to GenAI Application Testing (2026)
The definitive guide to testing GenAI applications - hallucination benchmarking, prompt injection testing, RAG …

Why 30% of GenAI Projects Fail After POC - And How to Prevent It
One-third of GenAI projects never make it past proof-of-concept. Analysis of the five most common failure patterns and …