YC Summer 2026 (S26) founder

Dev Mandal

Founder of Markov, Expert computer-use data for frontier AI labs

Company

Dev Mandal is listed as a founder of Markov. Markov sells expert computer-use data to frontier labs. We’ve sold more than 33k+ hours and our open-source datasets have got over 200k+ downloads on hugging face.

Founder traction evidence

Public posts and activity attributed directly to this founder.

  1. X

    Today, we're launching the world's largest open-source CAD dataset for computer-use.

    Today, we're launching the world's largest open-source CAD dataset for computer-use. 1,000+ hours across SolidWorks, Siemens-NX, AutoCAD & more. Screen recordings, mouse/keyboard actions, input diagrams, output files, rubrics and narrations. Link in the comments :)

  2. X

    Tomorrow we're launching the largest open-source dataset of computer-use data for CAD.

    Tomorrow we're launching the largest open-source dataset of computer-use data for CAD. Across Siemens-NX, Solidworks, AutoCAD and more. Including task prompts, input files, screen recordings, synced mouse/keyboard actions and output files. Stay tuned :)

  3. X

    Today, we're launching the largest open-source dataset of gaming data for computer-use. 500+ hours of gameplay screen recordings + keystro…

    Today, we're launching the largest open-source dataset of gaming data for computer-use. 500+ hours of gameplay screen recordings + keystrokes/mouse movements, across Valorant, Minecraft, GTA and more. Link in the comments :) @markov__ai

  4. X

    Today, we're releasing AutoCAD-Bench. A benchmark for measuring whether AI models can complete precise AutoCAD tasks using computer-use alone. GPT 5.6 sol dominates with 46%, solving many basic and intermediate tasks one-shot. Full report below. @markov__ai

    Today, we're releasing AutoCAD-Bench. A benchmark for measuring whether AI models can complete precise AutoCAD tasks using computer-use alone. GPT 5.6 sol dominates with 46%, solving many basic and intermediate tasks one-shot. Full report below. @markov__ai

  5. X

    Today, our computer-use datasets crossed 50,000+ hours.

    Today, our computer-use datasets crossed 50,000+ hours. Screen recordings + synced mouse/keyboard actions + narrations across CAD, design, browser-use & more. Sourced from humans and available off the shelf today :) Samples below.

  6. X

    Today, we're announcing Markov (YC S26).

    Today, we're announcing Markov (YC S26). We've built the most advanced CUA datasets for CAD, design, browser-use & more. We're working with frontier AI labs and our open-source datasets have crossed 150,000+ downloads on HuggingFace. Sample dataset below :) @markov__ai

  7. X

    gpt 5.6 is easily SOTA at computer-use right now here's 5.6 Sol one-shotting an entire drawing in AutoCAD without any api's/mcp's https://t.co/opQxbTaLUq

    gpt 5.6 is easily SOTA at computer-use right now here's 5.6 Sol one-shotting an entire drawing in AutoCAD without any api's/mcp's https://t.co/opQxbTaLUq

  8. LinkedIn

    The Markov team has been building something new

    The Markov team has been building something new which we can't wait to show you!