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.

RAGAS vs TruLens (2026): Which to Pick + When
Jun 26, 2026 · 7 min read

RAGAS vs TruLens (2026): Which to Pick + When

RAGAS vs TruLens compared on metrics, tracing, observability, and cost. A clear verdict on when RAGAS wins, when TruLens …

Promptfoo vs LangSmith (2026): Eval Harness or Platform
Jun 26, 2026 · 7 min read

Promptfoo vs LangSmith (2026): Eval Harness or Platform

Promptfoo vs LangSmith compared on eval style, red-teaming, production tracing, self-hosting, and cost. A clear verdict …

Ollama vs vLLM (2026): Local Dev vs Production Serving
Jun 26, 2026 · 6 min read

Ollama vs vLLM (2026): Local Dev vs Production Serving

Ollama vs vLLM compared - simple local LLM runtime vs high-throughput GPU serving engine, on concurrency, deployment, …

Ollama vs LM Studio (2026): Run Local LLMs the Right Way
Jun 26, 2026 · 6 min read

Ollama vs LM Studio (2026): Run Local LLMs the Right Way

Ollama vs LM Studio compared - open-source CLI and server vs polished desktop GUI for running local LLMs. Decision …

LangGraph vs AutoGen (2026): Pick the Right Agent Framework
Jun 26, 2026 · 7 min read

LangGraph vs AutoGen (2026): Pick the Right Agent Framework

LangGraph vs AutoGen compared - graph-based state control vs conversation-driven multi-agent collaboration, the …

Langfuse vs Helicone (2026): Which LLM Observability Tool to Pick
Jun 26, 2026 · 6 min read

Langfuse vs Helicone (2026): Which LLM Observability Tool to Pick

Langfuse vs Helicone compared on tracing, evals, proxy logging, cost tracking, self-hosting, and price. A clear verdict …

LangChain vs LlamaIndex (2026): Which LLM Framework to Pick
Jun 26, 2026 · 6 min read

LangChain vs LlamaIndex (2026): Which LLM Framework to Pick

LangChain vs LlamaIndex compared on orchestration, RAG, agents, data ingestion, and cost. Clear verdict on when …

Haystack vs LangChain (2026): Pick the Right LLM Framework
Jun 26, 2026 · 6 min read

Haystack vs LangChain (2026): Pick the Right LLM Framework

Haystack vs LangChain compared - pipeline-based RAG and search vs the broadest agent and integration ecosystem, with a …

Guardrails AI vs NeMo Guardrails (2026): Which LLM Safety Framework?
Jun 26, 2026 · 7 min read

Guardrails AI vs NeMo Guardrails (2026): Which LLM Safety Framework?

Guardrails AI vs NeMo Guardrails compared - validator-centric output validation vs Colang conversational rails, …

Giskard vs DeepEval (2026): Which to Pick + When
Jun 26, 2026 · 6 min read

Giskard vs DeepEval (2026): Which to Pick + When

Giskard vs DeepEval compared on red-teaming, metric coverage, CI/CD fit, and cost. A clear verdict on when Giskard wins, …

DSPy vs LangChain (2026): Optimize or Orchestrate?
Jun 26, 2026 · 6 min read

DSPy vs LangChain (2026): Optimize or Orchestrate?

DSPy vs LangChain compared - declarative self-optimizing pipelines vs manual orchestration, prompt tuning, integrations, …

CrewAI vs AutoGen (2026): Multi-Agent Framework Verdict
Jun 26, 2026 · 6 min read

CrewAI vs AutoGen (2026): Multi-Agent Framework Verdict

CrewAI vs AutoGen compared - role-based crews and flows vs conversation-driven agents, control model, ecosystem, cost, …

Braintrust vs LangSmith (2026): Which LLM Eval Platform to Pick
Jun 25, 2026 · 6 min read

Braintrust vs LangSmith (2026): Which LLM Eval Platform to Pick

Braintrust vs LangSmith compared on evaluation, experimentation, scoring, datasets, tracing, and LangChain fit. Clear …

LangSmith vs Langfuse (2026): Which LLM Observability Tool to Pick
Jun 25, 2026 · 6 min read

LangSmith vs Langfuse (2026): Which LLM Observability Tool to Pick

LangSmith vs Langfuse compared on tracing, evals, prompt management, self-hosting, and cost. Clear verdict on when …

EU AI Act Adversarial Testing: Red-Team Checklist
Jun 16, 2026 · 9 min read

EU AI Act Adversarial Testing: Red-Team Checklist

EU AI Act adversarial testing requirements explained: the Article 15 red-team evidence checklist, mapped to NIST AI RMF …

AI QA for Financial Services: Chatbot Hallucination Testing
Jun 16, 2026 · 9 min read

AI QA for Financial Services: Chatbot Hallucination Testing

Banking chatbot hallucination testing as a compliance problem, not a UX bug. A regulator-mapped framework for CFPB UDAAP …

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 · 9 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 (2026): Which to Pick + When
Apr 24, 2026 · 8 min read

DeepEval vs RAGAS (2026): Which to Pick + When

DeepEval vs RAGAS compared on metric coverage, setup, CI/CD, and cost. Clear verdict on when DeepEval wins, when RAGAS …

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, …

LangSmith vs Braintrust vs Galileo: Agent Trajectory Testing
Apr 22, 2026 · 13 min read

LangSmith vs Braintrust vs Galileo: Agent Trajectory Testing

LangSmith, Braintrust, Galileo, Arize Phoenix + 3 more compared for AI agent trajectory testing in 2026 - golden …

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 · 11 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 …