Arize Phoenix Evaluations
Shares tags: analyze, monitoring & evaluation, eval harnesses
Your open-source toolkit for assessing LLM applications with confidence.
Similar Tools
Other tools you might consider
Arize Phoenix Evaluations
Shares tags: analyze, monitoring & evaluation, eval harnesses
Ragas
Shares tags: analyze, monitoring & evaluation, eval harnesses
Weights & Biases Weave
Shares tags: analyze, monitoring & evaluation, eval harnesses
LangSmith Eval Harness
Shares tags: analyze, monitoring & evaluation, eval harnesses
<a href="https://www.stork.ai/en/trulens" target="_blank" rel="noopener noreferrer"><img src="https://www.stork.ai/api/badge/trulens?style=dark" alt="TruLens - Featured on Stork.ai" height="36" /></a>
[](https://www.stork.ai/en/trulens)
overview
TruLens is an open-source toolkit designed to evaluate large language model applications effectively. With powerful features like drift detection and guardrails, TruLens ensures that your AI workflows operate within desired parameters.
features
TruLens boasts a suite of features aimed at enhancing the evaluation and monitoring of AI applications. From ground truth evaluation to integrated experiment tracking, we provide the tools you need for in-depth analysis.
use cases
Whether you're a developer looking to optimize performance or part of an organization deploying AI agents, TruLens offers tailored solutions for various use cases. Our platform is perfect for anyone who prioritizes measurement and optimization in agentic workflows.
OpenTelemetry integration allows TruLens to work seamlessly with existing telemetry stacks, ensuring that observability is standardized and consistent across your AI applications.
The modular architecture enables developers to install only the components they need, reducing unnecessary dependencies and improving the stability of their production environments.
Yes, TruLens is designed to provide real-time monitoring and evaluation of AI applications, allowing for timely insights and optimizations as needed.
More on Stork
Other tools in this category, ranked by community signal
Ragas
📊 Analyze
RAG-specific evaluation harness with metrics.
Promptfoo
📊 Analyze
CLI harness comparing prompt variants at scale.
Arize Phoenix Evaluations
📊 Analyze
Open-source harness for batch + streaming evals.
Weights & Biases Weave
📊 Analyze
LLM eval harness with dataset + rubric support.
Robust Intelligence Red Team
📊 Analyze
Automated stress tests covering toxicity and bias.
Cranium AI Red Team
📊 Analyze
Platform for scenario-based adversarial evaluations.
For builders
AI agents read it. Buyers find it. Backlinks accrue. Your tool can have one too — live in 24 hours, indexed by Claude, ChatGPT, and Perplexity, queryable via MCP.