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.
- Experiment management · Directory only · Free listing · ranking code packs from £200 ex VAT
- Fine-tuning platforms · Directory only · Free listing · ranking code packs from £200 ex VAT
- Model cards / documentation · Directory only · Free listing · ranking code packs from £200 ex VAT
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.
- Public JSON for website embeds

W&B Experiments
From their website · not verified evidence
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.
- Public JSON for website embeds
W&B Serverless SFT
From their website · not verified evidence
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.
- Public JSON for website embeds

W&B Weave
From their website · not verified evidence
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.
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.
Payment remains independent from rankings and assessment outcomes. Start an assessment · Methodology