{"id":"48c3c7b1-402a-44a6-b8a7-84079896a3fe","name":"Weights & Biases","slug":"weights-and-biases","description":"ML experiment tracking and model management platform widely used by robotics teams to track RL training runs, sim-to-real experiments, and model deployment.","status":"private","founded":2017,"hq":"San Francisco, CA, USA","hqLat":null,"hqLng":null,"hqGeocodedAt":null,"hqAddress":null,"hqPrecision":null,"website":"https://wandb.ai","fundingTotal":null,"type":"brain","roles":[],"reviewStatus":"reviewed","lifecycleState":"active","supersededByCompanyId":null,"sources":"[{\"url\":\"https://wandb.ai\",\"title\":\"Weights & Biases — ML experiment tracking\",\"sourceName\":\"W&B (official)\"}]","keyFacts":[{"label":"Headquarters","value":"San Francisco, CA, USA"},{"label":"Founded","value":"2017"},{"label":"Status","value":"private"},{"label":"Type","value":"brain"},{"label":"Founded","value":"2017, San Francisco CA"},{"label":"Founders","value":"Lukas Biewald (CEO, ex-Figure Eight), Chris Van Pelt (Distinguished Engineer, ex-Figure Eight), Shawn Lewis"},{"label":"Funding","value":"$250M over 5 rounds. Series C $135M at $1B valuation (2022). Strategic $50M at $1.25B (Aug 2023, Nat Friedman + Daniel Gross lead)."},{"label":"Acquired","value":"Acquired by CoreWeave (NASDAQ: CRWV) for ~$1.7B in May 2025"},{"label":"Products","value":"W&B Experiment Tracking, W&B Models (registry), W&B Weave (LLM observability, GA 2024), W&B Prompts (LLMOps, Aug 2023)"},{"label":"Customers","value":"OpenAI, Meta, NVIDIA, Cohere, Hugging Face, Stability AI. ~$50M ARR, 1M+ developers, 700K+ users"},{"label":"Partnerships","value":"AWS (Partner Award finalist 2024), Microsoft (Partner of the Year finalist 2024), NVIDIA NIM, NTT DATA, LG CNS, DoD Defense Innovation Unit"},{"label":"Robotics Applications","value":"Dedicated robotics webinar for tracking RL training dynamics; used by robotics/autonomous systems teams for experiment tracking in simulation pipelines"},{"label":"Security","value":"UpGuard rating 795/950. Cranium AI partnership for AI safety (May 2026). NDA-based vulnerability disclosure program."}],"aliases":[],"collisionRisk":"low","reviewNote":null,"atsProvider":null,"atsSlug":null,"factoryLocations":null,"manufacturingCapacity":null,"orgType":null,"burnSignal":null,"litigationEvents":null,"insurancePostureDisclosed":null,"unitEconomicsDisclosed":null,"tickerSymbol":null,"stockExchange":null,"secCik":null,"revenueUsd":null,"revenueBasis":null,"revenueAsOf":null,"employeeCount":null,"employeeCountBasis":null,"employeeCountAsOf":null,"marketCapUsd":null,"marketCapAsOf":null,"marketCapSource":null,"createdAt":"2026-08-09T05:43:44.725Z","updatedAt":"2026-08-21T04:50:17.744Z","jsonLd":{"@context":"https://schema.org","@type":"Organization","@id":"https://registry.deploy.report/companies/weights-and-biases","url":"https://registry.deploy.report/companies/weights-and-biases","name":"Weights & Biases","description":"ML experiment tracking and model management platform widely used by robotics teams to track RL training runs, sim-to-real experiments, and model deployment.","identifier":"48c3c7b1-402a-44a6-b8a7-84079896a3fe","foundingDate":"2017","address":"San Francisco, CA, USA","publisher":{"@id":"https://deploy.report/#organization"}},"framework_metadata":{"framework_schema_version":"0.1.0","verification_status":"verified","maturity_stage":null,"lifecycle_state":null,"architectural_position":{"cohort":null,"sub_cohorts":[]},"within_cohort_verified_vs_claimed_pair":null,"cap_flags":[],"verification_depth":{"sources_count":1,"primary_source_types":["primary-company-ir"]}}}