{"slug":"bespoke-labs","name":"Bespoke Labs","website":"https://bespokelabs.ai","tagline":"Data curation and RL environment recipes from ex-Google DeepMind researchers","description":"Bespoke Labs builds tools and curated datasets for post-training, including the Curator open-source library and RL environment work for coding and enterprise tasks. Co-founded by Mahesh Sathiamoorthy (ex-Google DeepMind) and Alex Dimakis, it co-created the OpenThoughts reasoning datasets.","domains":["coding","machine-learning"],"locations":["Mountain View","Menlo Park","Bangalore","San Francisco"],"founders":[{"name":"Mahesh Sathiamoorthy","xHandle":"madiator"},{"name":"Alex Dimakis","xHandle":"AlexGDimakis"}],"teamSize":"11-25","funding":"~$40M (reported)","raising":null,"founded":null,"notable":"OpenThoughts open reasoning datasets","entityType":"Pure-play commercial","canonicalUrl":"https://envindex.com/startup/bespoke-labs","research":null,"sources":[],"capabilityCatalog":{"startupSlug":"bespoke-labs","reviewedAt":"2026-08-16","status":"cataloged","items":[{"name":"Agent Data Curation","kind":"Data service","summary":"Data curation and evolutionary optimization for AI agents.","access":["Commercial"],"sourceUrl":"https://bespokelabs.ai","sourceLabel":"Official website","verificationStatus":"company-reported","lastVerified":"2026-08-16"}]},"artifacts":[],"caveat":"Legacy profile awaiting claim-level source migration"}