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LLM Arena-as-a-Judge: LLM-Evals for Comparison-Based Regression Testing
Everything you need to run LLM Arena-as-a-judge: a comparison-based, pairwise approach to regression testing LLMs, with DeepEval code to set it up.
Jeffrey Ip
RAG Evaluation Metrics: Assessing Answer Relevancy, Faithfulness, Contextual Relevancy, And More
RAG evaluation metrics — answer relevancy, faithfulness, and contextual relevancy — measure retrieval and generation quality, with working DeepEval code examples.
Jeffrey Ip
LLM Evals Framework That Predicts ROI: A Step-by-Step Guide
Most LLM evals fail because their metrics don't predict ROI. This playbook shows how to build outcome-based evals that correlate with real business KPIs and user value.
Jeffrey Ip
G-Eval Simply Explained: LLM-as-a-Judge for LLM Evaluation
The definitive guide to G-Eval: how this LLM-as-a-judge metric works, chain-of-thought scoring, and how to evaluate LLM apps on custom criteria with DeepEval.
Kritin Vongthongsri
Top LLM Evaluators for Testing LLM Systems at Scale
A rundown of the top LLM evaluators for testing at scale in 2025, from G-Eval and other LLM-as-a-judge metrics to the tooling that runs them in production.
Jeffrey Ip
How I raised Confident AI's $2.2M seed round in 5 days
Confident AI raised an oversubscribed $2.2M seed round in 5 days. Here's the fundraising strategy, the investor conversations, and the hard lessons from the raise.
Jeffrey Ip
How I Built Deterministic LLM Evaluation Metrics for DeepEval
DeepEval's DAG metrics make LLM-as-a-judge scoring deterministic by running outputs through a decision tree. Here's how I built these reliable, explainable metrics.
Jeffrey Ip
LLM Agent Evaluation Metrics in 2026: Tool Calling, Task Completion, Reasoning, and Trace-Based Evals
Learn how to evaluate LLM agents end-to-end with tool calling, task completion, reasoning, trace-based evals, human review, and DeepEval code examples.
Kritin Vongthongsri
The People's Choice of Top LLM Evaluation Tools in 2025
A hand-picked, carefully curated list of the best LLM evaluation tools in 2025, compared on metrics, features, and pricing to help you choose the right one.
Jeffrey Ip
What is LLM Observability? - The Ultimate LLM Observability Guide
LLM observability is the practice of tracing, monitoring, and evaluating LLM apps in production. Learn what it covers and what to look for when choosing a tool.