// guides · 15 articles
Guides
Original, hands-on guides from the TrueIQ editors: comparisons, “best tool for the job” round-ups and plain-English explainers.
Explainers · 7 min readListen
RAG Evaluation Metrics: Ragas vs DeepEval vs TruLens
RAG evaluation metrics explained: faithfulness, relevancy, context precision and recall, which need a reference, and how Ragas, DeepEval and TruLens differ.
Explainer · 7 min readListen
Prompt Injection Attacks: Examples and How to Test
What a prompt injection attack is, direct and indirect examples, why there is no complete fix, and how to test your LLM app with Promptfoo, garak and PyRIT.
Comparison · 7 min readListen
LLM Red Teaming Tools: Promptfoo, garak, PyRIT
The best LLM red teaming tools in 2026 compared: Promptfoo, garak, PyRIT, DeepTeam and Giskard, with licenses, first commands and OWASP LLM Top 10 coverage.
Comparison · 7 min readListen
LLM Leaderboards Compared: Which Ones to Trust
Every major LLM leaderboard compared: how Arena, Artificial Analysis, LiveBench, SEAL, Epoch AI and Vellum score models, and where each one can mislead you.
Explainer · 6 min readListen
LLM Hallucination Detection: Methods and Tools
How LLM hallucination detection works in 2026: faithfulness checks, detector models like HHEM, self-consistency and semantic entropy, and the tools to use.
Explainer · 6 min readListen
LLM Evaluation Metrics: What to Measure and How
The LLM evaluation metrics that matter in 2026: exact match, BLEU, ROUGE, BERTScore, pass@k, LLM-judge rubrics, RAG and safety metrics, and when to use each.
Explainer · 7 min readListen
LLM Benchmarks Explained: What the Scores Mean
LLM benchmarks explained: what MMLU, GPQA Diamond, Humanity's Last Exam, SWE-bench and ARC-AGI measure, why scores saturate, and how to spot contamination.
Explainers · 7 min readListen
LLM as a Judge: How It Works and When to Trust It
LLM as a judge explained: how model graders work, the biases that skew them, how to validate one against human labels, and which open-source tools to use.
Comparison · 7 min readListen
Langfuse vs LangSmith: Which Should You Use?
Langfuse vs LangSmith in 2026: open-source license, self-hosting, pricing, retention, framework fit and migration tips, so you can pick the right LLM tracer.
Comparison · 6 min readListen
Langfuse vs Arize Phoenix: Which to Self-Host?
Langfuse vs Arize Phoenix in 2026: licenses, self-hosting stacks, features, managed pricing, new owners and which open LLM tracing tool fits your team best.
Guides · 8 min readListen
How to Evaluate LLM Apps: A 2026 Playbook
How to evaluate LLM apps step by step: error analysis, code checks, calibrated LLM judges, CI gates and production sampling, with tools for each stage.
Explainer · 7 min readListen
Deepfake Detection: How to Spot AI Images and Video
Deepfake detection in 2026: how AI image detectors, SynthID watermarks and C2PA Content Credentials work, how accurate they are, and a step-by-step checklist.
Best of · 7 min readListen
Best LLM Observability Tools in 2026, Compared
The best LLM observability tools in 2026 compared: Langfuse, LangSmith, Phoenix, Opik, Weave and more, with licenses, self-hosting and who now owns what.
Best of · 7 min readListen
Best LLM Evaluation Frameworks in 2026, Compared
The best LLM evaluation frameworks in 2026: Promptfoo, DeepEval, Ragas, Inspect and TruLens for apps, plus lm-evaluation-harness and HELM for model benchmarks.
Explainer · 8 min readListen
Are AI Detectors Accurate? What 2026 Studies Show
Are AI detectors accurate? What 2026 studies found on Turnitin, GPTZero, Originality.ai and Pangram, false positives, edited text, and what to do if flagged.