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Weights & Biases Weave logo

Weights & Biases Weave

Observability

LLM observability and evaluation toolkit for tracing, debugging, and improving production agents and AI applications.

Visit websiteDocs

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Explore products with related capabilities. Check their details for your use case.

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Open source AI observability and evaluation platform for tracing LLM applications, running evals, and debugging agent behavior with OpenTelemetry.

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Is this your company?Verify ownership · Add products · See activity
OverviewProduct evaluationBuild examplesResourcesCompany evidence

Product evaluation

Review Weights & Biases Weave for your team’s requirements before a technical pilot.

Commercial model

Open source

View vendor website

Listed pricing category. Confirm current rates, limits and enterprise contract terms with the vendor.

Implementation

Open source listed

DocumentationSource repository

Validate integration, deployment and operational requirements in your own environment.

Enterprise review

Security, data handling, support and contract terms require vendor confirmation. Linked sources do not establish certification or approval.

Public implementation evidence

Built with Weights & Biases Weave

Projects that list this product. Use is self-reported.

Judging lockedEvent-linked buildSource: https://luma.com/vastnycSubmissions are locked for judging after the event close.
SM
Stephen MOabout 1 month ago
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CarWitness (车证) is "Ctrl+F for street cameras." A live event feed flags vehicle events across every camera, and anyone can ask in English or Chinese to get matching clips with NVIDIA Cosmos descriptions, YOLO11 detections and playable video. A language model on W&B Inference plans each search. Selected clips become a bilingual incident report where every finding cites a clip timestamp and unsupported findings are dropped, and any clip can be exported as an AV-simulation scene card. The UI switches between English and Chinese.

Listed tools (11)

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0 0 0Open
Company evaluation and adoption evidence

Enterprise fit

Buyer brief for procurement and architecture review

Source-labeled signals for cost, reliability, security, integration, and adoption proof. Missing compliance evidence is shown as a gap, not guessed.

Compare for enterpriseExport brief
Inferred

Commercial model

Open source profile signal; exact enterprise terms need buyer review.

View source
Needs verification

Reliability

No status page, uptime, or SLA evidence attached

Buyer recommendation

Shortlist only after verifying Reliability and Security/compliance.

Docs are linked for implementation review.Open-source path can reduce lock-in review.At least one buyer evidence source is linked or verified.

Vendor value loop

Vendors receive anonymous aggregate evaluation demand by default. Account details are shared only after explicit buyer contact or consent.

Request vendor contact

Real data backfill while adoption proof grows

These are source-linked enrichment paths for missing fields. They are treated as proxies until claimed-company data and first-party tokens& adoption events replace them.

GitHub repository APIfreeStars, forks, license, topics, releases, default branch, repo freshness, and public contributor signal.OpenSSF ScorecardfreeOpen-source security posture checks for repos before enterprise review.Wikidata company graph

AgentRank trust profile

Public proof buyers and agents can trust

AgentRank

43

Public signals · ★ 1,146

Trust Score

42

observed

Category Rank

#28

Observability · public signals

Protocols

SDK

Agent-readable metadata

Tracked Developers

0

Known active developer activity

Profile Status

Unclaimed

Owner action needed

Trust Registry

AgentRank evidence file
observed

Source breakdown

GitHub1,146

68% confidence

Protocol support

SDK

Agent-readable protocol evidence raises trust and commercial readiness.

Adoption over time
Last 8 weeks+9 GitHub stars in 30d · cohort private · trust 42

Timeline appears after verified events.

We do not draw a fake adoption chart before live usage, self-reported proof, or challenge activity exists for this product.

Private (N<7)

active developers

Private (N<7)

verified adoptions

Private (N<7)

retention

Growth and Enterprise capabilities

Developer identities, account mapping, retention cohorts, and competitor overlap are available on Growth and Enterprise plans.

Talk to sales
Developer identities
See the builders behind saves, docs clicks, API calls, and retained usage.
Account map
Resolve developer activity into companies, teams, and enterprise accounts.
Retention cohorts
Track first API call through 7/30/90-day retention and expansion.
Competitor overlap
Find developers evaluating alternatives and switching between tools.
Category benchmark
Resources
Official WebsiteLink

Primary product site

DocumentationLink

Official docs

GitHub RepositoryLink

Source code or SDK repository

Company details

Sign in to follow this company, vote for its product, or save it to your workspace.

Community support for Weights & Biases Weave. Votes do not verify product usage.

Pricing
Open source
Open source
Yes
API available
No

GitHub Stats

Stars
1,146
Forks
183
Issues
174
12,113
1,258
Open source
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Observability· agentops.ai

Freemium

Developer platform for tracing, debugging, and deploying AI agents with SDK-based observability, session replay, and framework integrations.

5,937
655
Open source
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Braintrust

Observability· braintrustdata.com

Freemium

AI observability and evals platform for tracing production systems, running experiments, and catching regressions.

29
22
API available
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Evidently

Observability· evidentlyai.com

Freemium

Open-source observability and evaluation framework for monitoring ML and LLM applications with tests and metrics.

8,045
965
Open source

Keep evaluating Weights & Biases Weave

Comparisons, category adoption data, and shortlist guides that answer the questions this profile raises next.

Check the adoption evidence

  • Observability developers actually keep usingFiltered to products with verified usage events, cohort breadth, and retention.
  • AgentRank category rankingsHow every category is ordered by adoption proof, trust, and protocol support.
  • Best Open Source AI ToolsShortlist guide for this category, with the tradeoffs written out.
  • Best AI Observability ToolsShortlist guide for this category, with the tradeoffs written out.

Own Weights & Biases Weave? Generate its adoption badge embed, or claim the profile to send verified usage events.

  • NCNVIDIA Cosmos-Embed1pendingAI Dev Platforms tool
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  • CCClaude CodependingAI Dev Platforms tool
  • WIW&B Inference (Nemotron)pendingAI Dev Platforms tool
    • Needs verification

    Security/compliance

    No security, trust, or compliance source attached

    Source linked

    Integration fit

    Documentation source linked

    View source
    Inferred

    Adoption proof

    1 recorded adoption event; verification is not established

    free
    Parent company, acquisition, and ownership hints to avoid misleading same-owner comparisons.

    Benchmark proof

    Automated measurements unavailable

    Automated performance measurements are unavailable until a separately verified empirical evaluator is configured. Community reports do not unlock this component.

    Trust gaps

    Verify publisher ownership
    Send SDK/API telemetry
    Automated performance measurements unavailable

    Enterprise verification can enrich evidence and export proof packages, but cannot buy rank.

    Next best action

    Verify ownership to manage Weights & Biases Weave.

    Review aggregate activity and connect product usage evidence. Private reports retain their existing permissions and plan requirements.

    Public projects and activity accumulate here before your company joins. Claim this existing profile to manage it and review aggregate activity.

    Claim this tool to review aggregate activity
    Compare activation, retention, and growth against your market.
    Recommended actions
    Prioritized DevRel, product, and sales plays based on live adoption signals.