Weights and Biases
Machine learning platform for experiment tracking and model management
Ranked #5 in Best LLM observability tools.
Purpose-built platform for tracking experiments, managing datasets, and versioning models. Provides collaboration tools and integration with major frameworks including PyTorch and TensorFlow.
At a glance
| Price from | Free tier available; Teams plan from ~£23/month per member |
| Best for | Research teams, ML engineers focused on experiment tracking, and model governance |
From Weights and Biases's own website.
Company facts
| Social profiles | LinkedIn, X, Facebook, YouTube, GitHub, Crunchbase |
Facilities and features
Its website also mentions:
- Published pricing
- Self-serve sign-up
- SOC 2
- GDPR
What stands out
The AI tool is certified under ISO/IEC 27001:2022 and compliant with SOC 2 standards.
“Weights & Biases AI development platform is certified under ISO/IEC 27001:2022, ISO/IEC 27017:2015,”Weights and Biases, own website
The AI tool allows users to get started with just one line of code.
“Get started with one line of code”Weights and Biases, own website
Worth knowing
- Can be overkill for simple training tasks
- Pricing escalates quickly with team size
How it ranks
Weights and Biases is ranked 5th of 10 in Best LLM observability tools (Lister Score 88.0).
#5 in Best LLM observability tools · Lister Score 88.0
Weights and Biases is an AI developer platform for building agents and models. It enables teams to productionise AI applications with confidence.
Built for AI development teams.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 16; buying information on its own site 12.
“LLMOps and prompt engineering Monitoring Observability for production ML Weave Interactive ML app builder Solutions Close Solutions Open Solutions”Weights and Biases, own website
| Rank | Best LLM observability tools | Score |
|---|---|---|
| 1 | LangFuse | 92.0 |
| 2 | AgentOps | 88.0 |
| 3 | Arize AI | 88.0 |
| 4 | Fiddler AI | 88.0 |
| 5 | Weights and Biases | 88.0 |
| 6 | HoneyHive | 84.0 |
| 7 | MLflow AI Platform | 82.0 |
| 8 | PromptLayer | 82.0 |
| 9 | Dynamiq | 80.0 |
| 10 | FloTorch | 76.0 |
Frequently asked questions
How does Weights and Biases rank on Lister?
Weights and Biases is ranked 5th of 10 in Best LLM observability tools (Lister Score 88.0).