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)
Apr 25, 2026 · 7 min read

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)
Apr 24, 2026 · 8 min read

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
Apr 24, 2026 · 7 min read

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
Apr 24, 2026 · 7 min read

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
Apr 23, 2026 · 5 min read

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
Apr 23, 2026 · 5 min read

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
Apr 22, 2026 · 13 min read

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
Mar 14, 2026 · 4 min read

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)
Mar 1, 2026 · 4 min read

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
Feb 25, 2026 · 10 min read

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
Feb 20, 2026 · 5 min read

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
Feb 15, 2026 · 4 min read

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)
Feb 10, 2026 · 4 min read

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)
Feb 5, 2026 · 5 min read

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
Feb 1, 2026 · 4 min read

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 …