Company · Directory listing

Weights & Biases

Learn why thousands of companies rely on W&B as their system of record for training AI models and developing AI applications with confidence. Weights & Biases publishes W&B Serverless SFT, W&B Weave, and W&B Experiments as named AI products. Weights & Biases is used for Experiment management and MLOps work. Weights & Biases is recorded in San Francisco, United States.

Weights & Biases, Inc.

San Francisco, United States · US · 3 listings

Customer review aggregate: No published reviews

Ranking status: Directory only — not ranked

Directory ranking uses customer-review stars only. The separately purchased assurance assessment records Bronze/Silver/Gold depth, Assurance Score and risk class; none affects directory position.

Company details

About Weights & Biases

Learn why thousands of companies rely on W&B as their system of record for training AI models and developing AI applications with confidence. Weights & Biases publishes W&B Serverless SFT, W&B Weave, and W&B Experiments as named AI products. Weights & Biases is used for Experiment management and MLOps work. Weights & Biases is recorded in San Francisco, United States.

Legal name
Weights & Biases, Inc.
Headquarters
San Francisco, United States
Markets
Company size

Directory & rankings

Customer ranking

Directory only. This listing has no customer stars or ranked position.

0 customer relationships verified at V3+ · Trustmark assessment results never affect this order.

Listings

Products and services from Weights & Biases

3 products are listed for this company. Functional classification, deployment and autonomy are descriptive attributes. Impact class remains a separate assurance result.

  • W&B Experiments website preview

    W&B Experiments

    From their website · not verified evidence

    Public JSON for website embeds

    PLATFORM INFRASTRUCTURE · Experiment management · LLMOps / MLOps

    Secondary: MLOps

    Sectors
    Not specified
    Deployment
    SaaS, Private cloud / VPC
    Capabilities
    Extraction
    Autonomy
    ASSISTIVE
    Data exposure
    Not specified

    What the vendor’s website says · supplier-provided, not verified evidence

    Learn why thousands of companies rely on W&B as their system of record for training AI models and developing AI applications with confidence. W&B Experiments is Weights & Biases's platform, from Weights & Biases, Inc. Published at wandb.ai/site/experiment-tracking. Directory filing: Experiment management. Deployment options: SaaS and Private cloud / VPC. Recorded capabilities: Extraction. W&B Experiments is Weights & Biases's platform, from Weights & Biases, Inc. Published at wandb.ai/site/experiment-tracking. Directory filing: Experiment management. Deployment options: SaaS and Private cloud / VPC. Recorded capabilities: Extraction.

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  • W&B Serverless SFT website preview

    W&B Serverless SFT

    From their website · not verified evidence

    Public JSON for website embeds

    PLATFORM INFRASTRUCTURE · Fine-tuning platforms · AI Infrastructure

    Sectors
    Not specified
    Deployment
    Not specified
    Capabilities
    Not specified
    Autonomy
    ASSISTIVE
    Data exposure
    Not specified

    What the vendor’s website says · supplier-provided, not verified evidence

    Learn why thousands of companies rely on W&B as their system of record for training AI models and developing AI applications with confidence. W&B Serverless SFT is Weights & Biases's platform, from Weights & Biases, Inc. Published at docs.wandb.ai/serverless-training/sft. Directory filing: Fine-tuning platforms. Vendor legal name on this product record: Weights & Biases, Inc. W&B Serverless SFT is Weights & Biases's platform, from Weights & Biases, Inc. Published at docs.wandb.ai/serverless-training/sft. Directory filing: Fine-tuning platforms.

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  • W&B Weave website preview

    W&B Weave

    From their website · not verified evidence

    Public JSON for website embeds

    PLATFORM INFRASTRUCTURE · Model cards / documentation · AI Governance & Assurance

    Sectors
    Not specified
    Deployment
    Not specified
    Capabilities
    Not specified
    Autonomy
    ASSISTIVE
    Data exposure
    Not specified

    What the vendor’s website says · supplier-provided, not verified evidence

    Learn why thousands of companies rely on W&B as their system of record for training AI models and developing AI applications with confidence. W&B Weave is Weights & Biases's platform, from Weights & Biases, Inc. Published at wandb.ai/site/weave. Directory filing: Model cards / documentation. Vendor legal name on this product record: Weights & Biases, Inc. W&B Weave is Weights & Biases's platform, from Weights & Biases, Inc. Published at wandb.ai/site/weave. Directory filing: Model cards / documentation.

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Verified claims

  • Domain associated with this organisation: Yes
  • Claim status: UNCLAIMED
  • Last verified: 2026-09-17

What we have not verified

AI TrustMark has not independently verified supplier-provided marketing claims on this profile, including untested productivity, ROI or performance figures, unless they appear under verified claims or a named certificate. Absence of a claim from the verified list means it has not been evidenced here.

The organisation description above is supplier-provided unless a specific statement is listed as verified.

Products assessed

No assessed products are listed on this profile yet.

Customer experience

No published reviews yet. Review screenshots appear only with a qualifying Verity review; directory thumbnails from a vendor website are not review evidence.

Customer stories

No consented, relationship-verified customer stories yet.

FAQs

What does Weights & Biases do?

Learn why thousands of companies rely on W&B as their system of record for training AI models and developing AI applications with confidence. Weights & Biases publishes W&B Serverless SFT, W&B Weave, and W&B Experiments as named AI products. Weights & Biases is used for Experiment management and MLOps work. Weights & Biases is recorded in San Francisco, United States.

What AI services or products does it provide?

W&B Experiments, W&B Serverless SFT, W&B Weave

Which AI categories does it operate in?

Experiment management, Fine-tuning platforms, Model cards / documentation

Has Weights & Biases been independently assessed by AI TrustMark?

No independent assessment result is published. Current listing status: Directory listing.

What procurement or assurance information is available?

Company identity, category assignment and any published certificates or assessment summaries appear on this page. Absence of a field means it has not been evidenced here.

Last verified: 2026-09-17

Methodology version: See current methodology

Why complete verification

Completing verification can improve the quality of the public evidence available on this supplier profile. Useful verified information can deepen the profile and make public questions about the named product more answerable. It does not buy directory ranking, review stars, a higher Assurance Score, a favourable certificate outcome, or a guaranteed Google ranking.

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