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Chalk

Read 21 Chalk reviews and testimonials from customers, explore 10 case studies and customer success stories, and watch customer videos to see why companies chose Chalk as their Machine Learning Platform

Chalk is the data platform for inference, providing critical infrastructure that empowers teams to rapidly operationalize machine learning and AI. The developer-friendly platform consists of a Compute Engine that automatically compiles features into high-performance Rust pipelines without complex ETL, and an LLM Toolchain that seamlessly unifies structured and unstructured data.

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Customer Rating Review Score based on 409 reference ratings
4.8/5.0 (409)
  • Winter 2026 Market Leader AI Automation Software

21Testimonials

  • "Chalk has transformed our ML development workflow. We can now build and iterate on ML features faster than ever, with a dramatically better developer experience. Chalk also powers real-time feature …

  • "Manually managing feature data worked—until it didn’t. As we scaled to multiple models, the cracks started showing. We needed a centralized system to handle features seamlessly and power real-time inference."

  • "Chalk has become a critical component of our Risk Intelligence Platform. It expanded Ramp's capabilities with online machine learning and enabled us to scale safely by powering our transaction fraud …

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10 Case Studies

  • Vital updates models 2-4 times a month with Chalk

  • Medely boosts annual net revenue by $800K with Chalk

  • iwoca cuts training data regeneration from 24 hours to under 60 minutes …

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Additional Chalk Information & Resources

Read Chalk Reviews, Testimonials & Customer References from 21 real Chalk customers.

Browse Chalk Case Studies, Customer Success Stories, & Customer References from 10 businesses that use Chalk.