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Platform
Models

Experiments
Track and visualize your experiments

Sweeps
Optimize your hyperparameters

Tables
Visualize and explore your data

Reports
Document and share your AI insights
Training

Serverless RL
Fine-tune LLMs without managing GPUs

Serverless SFT
Teach LLMs new tasks

ART
Open-source RL framework

Ruler
Automated reward function for RL
Inference

OpenAI OSS
GPT OSS 20B, GPT OSS 120B

Alibaba Qwen3
235B A22B, 235B Thinking, Coder 480B

Meta Llama
Llama 4 Scout, Llama 3.3 70B, Llama 3.1 8B

MoonshotAI Kimi
Kimi K2.5

Microsoft Phi
Phi 4 Mini 3.8B

Hangzhou DeepSeek
DeepSeek V3.1, V3-0324, R1-0528

Z.ai
Z.AI GLM 5.0
Weave

Traces
Explore and debug AI applications

Evaluations
Rigorous evaluations of AI applications

Playground
Explore prompts and models

Agents
Observability tools for agentic systems

Guardrails
Block prompt attacks and harmful outputs

Monitors
Continuously improve in production
Core

Registry
Publish and share your AI models and datasets

Artifacts
Version and manage your AI pipelines

SDK
Log AI experiments and artifacts at scale

Automations
Trigger workflows automatically
Solutions
Use Cases

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Learn how Canva leverages W&B to deploy models

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Learn how Microsoft uses W&B for their ML projects

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Learn how Toyota uses W&B for autonomous driving

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Learn how OpenAI Robotics uses W&B for large scale ML
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The Platform

Traces
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Traces
Evaluations
Playground
Agents
Guardrails
Online Evaluations
Models
Experiments
Sweeps
Tables
Inference
Registry
Artifacts
Reports
SDK
Automations

Article

What are AI agents?
What are AI guardrails?
LLM evaluations
What is RAG?
What is MLOps?
ML model registry
What is LLMOps?
What is reinforcement learning?

What are AI agents?
What are AI guardrails?
LLM evaluations
What is RAG?
What is MLOps?
ML model registry
What is LLMOps?
What is reinforcement learning?

Resources

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Platform
Experiments
Lightweight experiment tracking

Reports
Collaborative dashboards

Artifacts
Dataset and model versioning

Tables
Interactive data visualization

Sweeps
Hyperparameter optimization

Models
Centralized model registry

Launch
Automated ML workflows

Prompts
LLMOps and prompt engineering

Monitoring
Observability for production ML

Weave
Interactive ML app builder
Solutions
Use cases

What are AI agents?

What are AI guardrails?

LLM evaluations

What is RAG?

What is MLOps?

ML model registry

What is LLMOps?

What is reinforcement learning?

Industries

What are AI agents?

What are AI guardrails?

LLM evaluations

What is RAG?

What is MLOps?

ML model registry

What is LLMOps?

What is reinforcement learning?
Ecosystem
What are AI agents?

What are AI guardrails?

LLM evaluations

What is RAG?

What is MLOps?

ML model registry

What is LLMOps?

What is reinforcement learning?

What are AI agents?

What are AI guardrails?

LLM evaluations

What is RAG?

What is MLOps?

ML model registry

What is LLMOps?

What is reinforcement learning?
Docs
Pricing
Enterprise
What are AI agents?

What are AI guardrails?

LLM evaluations

What is RAG?

What is MLOps?

ML model registry

What is LLMOps?

What is reinforcement learning?
Company
What are AI agents?

What are AI guardrails?

LLM evaluations

What is RAG?

What is MLOps?

ML model registry

What is LLMOps?

What is reinforcement learning?