Weights & Biases Weave
Monitoring and tracing for AI agents in production environments
- Vendor
- Weights & Biases
- Also known as
- weights-biases-weave
What is 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.
Weights & Biases Weave pricing
We don't have Weights & Biases Weave's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What Weights & Biases Weave does
The capabilities that matter for llm observability, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Architecture model
- Managed cloud saas
- Token cost and latency waterfall charts
- -
- Opentelemetry openllmetry native export support
- -
- Prompt playground and in dashboard replay
- ✓
- Multi step agentic workflow distributed tracing
- ✓
- User feedback score API for thumbs up down tags
- -
- Pii redaction and prompt content masking
- ✓
- Production ab testing of system prompts
- -
- Automated anomaly detection for rate limits
- -
- Native integration with langchain and llamaindex
- ✓
- SOC2 type ii
- -
- Mit or apache permissive oss license
- -
- Pricing model
- -
Platform & deployment
Independently observed- Web
- Cloud / SaaS
Integrations (19)
Independently observed- OpenAI•
- AWS Bedrock•
- Google ADK•
- Slack
- LangChain
- LlamaIndex
- 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
- Webhooks→•
- Claude Code•
Weights & Biases Weave FAQ
Common questions about Weights & Biases Weave, answered from independent, dated evidence.
What is 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. It is indexed under Llm Observability.
Source: https://wandb.ai/site/weave
What platforms does Weights & Biases Weave support?
Weights & Biases Weave supports the web and iOS. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://wandb.ai/site/weave
Can Weights & Biases Weave be self-hosted?
Yes. Weights & Biases Weave can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://wandb.ai/site/weave
What does Weights & Biases Weave integrate with?
We have confirmed 14 integrations for Weights & Biases Weave, including Slack, LangChain, LlamaIndex, CrowdStrike Falcon AIDR, OpenPI, CoreWeave, NVIDIA and JAX, plus 6 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://wandb.ai/site/weave
Weights & Biases Weave alternatives
Other llm observability we track, ranked by the same independent score.
- LunaryMonitor and analyze AI application performance with real-time insights and enterprise controlmedium · 73%
- TraceloopAn open-source Rust-based LLM gateway providing unified multi-provider access with built-in observabilitymedium · 72%
- Arize PhoenixOpen-source platform for monitoring and evaluating language model applications in productionmedium · 51%
- OpikAn open-source platform for monitoring and evaluating AI applications and agent workflowslow · 29%
- AgentOpsMonitoring and observability platform for AI agents with cost tracking and performance debuggingmedium · 53%
Compare Weights & Biases Weave
Side by side against other llm observability, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Weights & Biases Weave, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Price level | 100 | 0.04 | 4.1 | ✓ |
| Capabilities | 67 | 0.04 | 2.5 | ✓ |
| Integrations | 34 | 0.04 | 1.5 | ✓ |
| Pricing transparency | 25 | 0.05 | 1.4 | ✓ |
| Reliability | 0 | 0.07 | 0.0 | - |
| Security posture | 0 | 0.12 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 4 items | mediumsource · 2026-09-10 · 60% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Architecture model: managed_cloud_saas · Pii redaction and prompt content masking: Yes · Prompt playground and in dashboard replay: Yes · Multi step agentic workflow distributed tracing: Yes · Native integration with langchain and llamaindex: Yes | mediumsource · 2026-10-13 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 14 | mediumsource · 2026-08-21 · 60% |
Pricing
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