Prompt & EvalCommercial✦ Free Tier

Weights & Biases

ML experiment tracking and LLM evaluation

App Infrastructure
Open in Builder →Website ↗

About

Industry-standard ML experiment tracking platform with LLM-specific tools for prompt evaluation, fine-tuning monitoring, and dataset versioning.

Choose Weights & Biases when…

  • •You're running ML experiments alongside LLM work
  • •Model training tracking and artifact management are needed
  • •You're a data scientist who uses Weights & Biases already

Builder Slot

How do you know it's working?Optional for most stacks

Tests, evals, and experiment tracking to measure and improve your AI output quality

Dev Tools
Not applicable
App Infra
Recommended
Hybrid
Optional

Other tools in this slot:

PromptFooDeepEvalRAGASVellumPromptLayerAgentaTruLensHumanloop+1 more

Stack Genome Detection

AIchitect's Genome scanner detects Weights & Biases in your project via these signals:

pip packages
wandb
env vars
WANDB_API_KEY

Alternatives to consider (2)

Langfusecompare →LangSmithcompare →

Pricing

✦ Free tier available
Teams$50/user/mo

In 1 stack

Fine-Tuning Pipeline

Badge

Add to your GitHub README

Weights & Biases on AIchitect[![Weights & Biases](https://aichitect.dev/badge/tool/weights-biases)](https://aichitect.dev/tool/weights-biases)

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