W&B Weave
Toolkit for tracing and evaluating AI agents and LLM apps, built by Weights & Biases
Observability tool by Weights & Biases (CoreWeave)
Install
Pick your client. Read the repository before you give any tool access to your data.
pip install weave
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About
Use cases: monitoring-observability, llm-evaluation
Reviews
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Fact sheet
- Category
- Tracing
- Open source
- Yesgithub.com
- Compliance (vendor says)
- HIPAAcoreweave.com
- Works with
- openai-agents-sdk, claude-agent-sdk, google-adkraw.githubusercontent.com
- Protocols
- opentelemetrydocs.coreweave.com
Plans
| Free | $0 | 1 GB/mo Weave data ingestion, 5 GB/mo storage, up to 5 model seats |
|---|---|---|
| Pro | $60/month | starts at $60/month billed monthly; 1.5 GB/mo ingestion, 100 GB/mo storage, unlimited teams |
| Enterprise | Contact sales | custom plans; HIPAA compliant option, SSO, audit logs, customer-managed keys |
From the vendor's pricing page, read Oct 24, 2026.
Facts read from the vendor's own pages by claude-haiku-5-5 on Oct 24, 2026; a fact is shown only with the page it came from.
Signals
- Stars
- 1,142
- Forks
- 181
- Open issues
- 97
- Last commit
- Oct 23, 2026 (5 days ago)
- Last release
- Oct 23, 2026 (5 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- Packages
- pypi
weave - License
- Apache-2.0
- Repository
- github.com/wandb/weave
- Website
- wandb.ai/site/weave/
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
Cite this page
W&B Weave. Agent Mart. https://agentmart.dev/observability/w-b-weave (last updated 2026-10-24)