Lunary vs Weights & Biases Weave
On the evidence we track, Lunary leads this comparison with a composite score of 69/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for llm observability. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Lunary
LeaderA platform for teams to monitor LLM performance, manage prompts collaboratively, and deploy AI agents with real-time performance tracking and cost analysis. Supports logging, prompt templates, agent monitoring, and integrations with popular LLM providers.
Weights & Biases Weave
Platform for observability and analysis of production AI agent systems, featuring distributed tracing across multi-agent workflows, built-in evaluation APIs for model and prompt testing, and safety guardrails with pre-built scorers for toxicity, bias, PII detection, and hallucinations.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Lunary
LeaderFrom $20/user/mo. Free tier available.
- FreeFree
- 10k events per month
- 3 projects
- 30 days logs retention
- Team$20/user/mo
- 50k events per month
- AI Playground
- Unlimited projects
- 1 year history
- Advanced features
- +5 more
- CustomContact sales
- Self-hosted deployment
- SSO / SAML
- SOC2 & ISO27001 Reports
- 99.9% SLA
- Custom Invoicing
- +6 more
Weights & Biases Weave
Pricing not documented yet.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- LangChain
- LlamaIndex
- Slack
Lunary
Leader- Anthropic
- Flowise
- OpenRouter
- IBM WatsonX
- Mistral
- Grok
- Fireworks AI
- AWS Bedrock
- Azure OpenAI
- OpenAI
- Ragas
- LiteLLM
- Langflow
- PowerBI
- Tableau
- MySQL
- Amplitude
- Airbyte
- Segment
- Zapier
- Redshift
- PostHog
- OpenLLMetry
- Databricks
- +4 more
Weights & Biases Weave
- CrowdStrike Falcon AIDR
- OpenPI
- CoreWeave
- NVIDIA
- JAX
- PyTorch
- OpenAI GPT-5.6
- OpenAI GPT-5.5
- Zhipu GLM-5.2
- Alibaba Kimi 2.7
- Anthropic Claude Opus 4.8
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.