Why Vor

There is no other exercise programming solution built the way Vor is. Here is what makes it different.

Vor is not an LLM

A general-purpose LLM like Chat GPT or Claude produces exercise content because it has read about exercise. Vor produces exercise programming because it was built on exercise science. Coded from scratch by athletes, personal trainers and AI engineers, Vor understands progression, load management, individual capability and health context in a way a general model cannot. Because those aren't things a general model was designed to reason about.

The differences are significant. A general model produces a different output for the same input, cannot explain why it made the decisions it made, and has no real understanding of how muscles recover, how fatigue accumulates, or how overtraining leads to injury. It will generate a programme for almost any input, even where the safe answer is to flag a contraindication. And if something goes wrong, there is no way to audit why that programme was produced. For a business putting exercise programming in front of thousands of users, across a range of health conditions and abilities, that is not a risk worth taking.

Vor is different by design. Every output is traceable back to the exercise science it was built on. Every progression is reasoned. Every decision can be explained. No inconsistency, no hallucination, no black box.

Shaping the future of exercise

Gyms who choose to work with Vor are going to gain a significant competitive edge.”
Peter Roberts, ex-CEO and Founder of PureGym

See Vor in action

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FAQs

How do I know it’s reliable?

Vor is coded from scratch on exercise science, by a team of qualified personal trainers and AI engineers. Every output is traceable back to the logic it was built on. There is no guesswork, no ambiguity, no LLM. You always know exactly how and why a programme was generated.

Does Vor use ChatGPT?

No. Vor is not an LLM wrapper. General-purpose AI models like ChatGPT are designed to produce plausible-sounding language, not safe or effective exercise programming. Vor has been built specifically for this purpose since 2021, and has consistently outperformed LLMs on both quality and safety.

Do I need new hardware?

No. Vor integrates with your existing tech stack via API — whether that's a member app, a trainer portal or a simple web application. It also programmes around your existing gym equipment and floor layout, so there's nothing new to buy.

Are you replacing personal trainers with AI?

Vor can work alongside your trainers or be offered directly to members, with whatever level of trainer oversight you choose.

What results will I see?

Exercise programme generation that is 100 to 200 times faster than manual programming. Expert PT quality programming at scale means better engagement, better retention and better health outcomes for your users.