tokens&
BrowseFor enterprises
Submit an offer
tokens&

Find tools, check provider offers, save a build plan, and share your work when you’re ready.

For buildersFor enterprises

For builders

  • Product launches
  • Builder projects
  • Startup credits and perks
  • Agent Skills
  • Published agents
  • API and agent docs
  • Publish a project

For enterprises

  • Start free company workspace
  • Submit a tool, product, or perk

Community

  • Community
  • Newsletter
  • Events
Xin

© 2026 tokensand, LLC. All rights reserved.

  • Terms
  • Privacy
  • Security
  • Data Processing
  • Status
  1. Home
  2. Tools
  3. Observability
  4. TruLens
TruLens logo

TruLens

Observability · Open source

Open-source evaluation and tracking toolkit for measuring LLM app quality, feedback functions, and RAG behavior.

Visit websiteDocs

Related tools

Explore products with related capabilities. Check their details for your use case.

Browse the category
Scorable by Root Signals logo
Scorable by Root Signals

Observability· scorable.ai

Freemium

LLM and agent evaluation platform with reusable scorers, test datasets, and SDKs for measuring production AI behavior.

Evaluate for your team
Is this your company?Verify ownership · Add products · See activity
OverviewProduct evaluationResources

Product evaluation

Review TruLens for your team’s requirements before a technical pilot.

Commercial model

Open source

View vendor website

Listed pricing category. Confirm current rates, limits and enterprise contract terms with the vendor.

Implementation

API listed · Open source listed

DocumentationSource repository

Validate integration, deployment and operational requirements in your own environment.

Enterprise review

Security, data handling, support and contract terms require vendor confirmation. Linked sources do not establish certification or approval.

Resources

Documentation and setup for builders and coding agents.

Official siteDocumentationGitHub repository
Setup & agents

Quickstart

Preparing TruLens docs pack
Streaming

The product profile is ready. Official docs, README snippets, and the AI paste pack are loading in the background.

Follow, compare & product details

Community support for TruLens. Votes do not verify product usage.

Add projectEmbed badgeFor companies
14
1
Open source
Phoenix logo
Phoenix

Observability· arize.com

Open source

Open source AI observability and evaluation platform for tracing LLM applications, running evals, and debugging agent behavior with OpenTelemetry.

12,113
1,258
Open source
Ragas logo
Ragas

Observability· ragas.io

Open source

Evaluation framework for testing RAG and LLM applications with metrics, synthetic test data, and CI-friendly quality checks.

16,247
1,801
Open source
Weights & Biases Weave logo
Weights & Biases Weave

Observability· wandb.ai

Open source

LLM observability and evaluation toolkit for tracing, debugging, and improving production agents and AI applications.

1,146
183
Open source
Start building with TruLens
Python

Detected in linked setup sources

pip
pip install trulens
Docs:Official DocsGitHubWebsite