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Blog · 6 notes

Notes from the data layer.

Field notes, research and opinions from the 3Wheels AI team on codebase licensing, healthcare data, physical AI, speech and the craft of human data.

  • Codebase Data
  • Healthcare AI
  • Physical AI
  • Post-Training
  • Conversational AI
  • Data Annotation
Code editor open on a monitor in a dark room
Latest · Codebase Data · September 2026 · 5 min read

Why private production codebases are the next frontier for coding models

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Code editor open on a monitor in a dark room
Codebase DataSeptember 20265 min read

Why private production codebases are the next frontier for coding models

Public GitHub has been scraped to exhaustion. The next leap in coding-model quality comes from licensed, production-grade private repositories, with tests, reviews and real bug history attached.

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Grid of CT brain scan slices on a lightbox
Healthcare AIAugust 20265 min read

Building healthcare datasets that survive regulatory scrutiny

De-identification is the floor, not the ceiling. What separates usable clinical data from a compliance liability is provenance: informed consent, patient-level linkage, and documented handling at every step.

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Robotic arms assembling a car chassis on a factory line
Physical AIAugust 20264 min read

Physical AI needs the real world, not just simulation

Sim-to-real transfer keeps hitting the same wall: the long tail of reality. Egocentric video, multi-sensor rigs, and real environments are how robotics foundation models close the gap.

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Server rack with patch cables lit green in a dark room
Post-TrainingJuly 20265 min read

Post-training is where models are won

Pre-training decides what a model knows; post-training decides what it is like to use. Preference data, expert demonstrations, and adversarial evaluation are the highest-leverage data you can buy.

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Broadcast microphone on a boom arm in a recording studio
Conversational AIJuly 20263 min read

Nine Indian languages, 37,000+ hours: inside our speech pipeline

Hindi, Bengali, Marathi, Malayalam, Tamil, Gujarati, Kannada, Telugu, and Indian English: real conversational audio at a scale that makes voice AI actually work for a billion speakers.

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Lab specialist in protective gear looking through a microscope
Data AnnotationJune 20264 min read

Domain experts beat crowd labeling. Every time

The cost difference between a generalist labeler and a trained specialist is small. The quality difference compounds through every epoch of training.

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