Weights & Biases
LLM Observability, Evaluation & Monitoring
Last updated · Compiled from public sources with automated enrichment
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Widely used platform for experiment tracking and model/LLM evaluation.
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- Category
- LLM Observability, Evaluation & Monitoring
- Founded
- 2017
- Status
- Active
- Open source
- No
- Pricing
- Freemium
- Funding stage
- Series D+
- Total raised
- —
- Popularity
- Steady
- Modality
- Multimodal
- GitHub stars
- —
Relationships
11 of 12 confirmed by two independent sources, 1 under review · 1 backed by a published source.
competes with11
- Athina AIBoth platforms offer LLM evaluation services.
- BraintrustWeights & Biases offers LLM evaluation tools.
- Comet MLBoth provide ML experiment tracking and model management platforms.
- Datadog LLM ObservabilityWeights & Biases is a competitor in LLM observability.
- Fiddler AIWeights & Biases offers LLM evaluation and tracking.
- GalileoWeights & Biases offers model evaluation tools.
- New Relic AI MonitoringWeights & Biases focuses on model evaluation.
- Patronus AIWeights & Biases offers LLM evaluation tools.
- PromptLayerWeights & Biases offers LLM evaluation tools.
- TruEraTruEra competes with Weights & Biases in model evaluation.
- WhyLabsBoth platforms track and evaluate model performance.
integrates with1
- Hugging FaceIntegration for tracking Hugging Face model training
References
Published sources supporting the relationships above.
- Best Prompt Engineering Frameworks & Tools 2025: LangSmith
unknown publisher · supports Weights & Biases competes with PromptLayer
More in LLM Observability, Evaluation & Monitoring
- Arize AIML and LLM observability platform for monitoring model performance.
- Athina AIEvaluation and observability platform for LLM-powered products.
- BraintrustEvaluation and observability platform for LLM applications.
- Comet MLML experiment tracking platform with LLM evaluation features.
- Confident AI (DeepEval)Evaluation platform built around the open-source DeepEval framework.
- Datadog LLM ObservabilityDatadog's module for tracing and monitoring LLM applications.
- Fiddler AIAI observability platform for monitoring model performance and bias.
- GalileoEvaluation and observability platform for LLM and agent quality.
- GiskardOpen-source testing framework for ML and LLM model quality/safety.
- HumanloopPlatform for prompt management, evaluation, and LLM observability.
- LangSmithLangChain's platform for tracing, testing, and monitoring LLM apps.
- LangfuseOpen-source LLM observability and analytics platform.