Welcome to the Playground

Introducing Polyhedra’s developer ecosystem to support verifiable AI, from first ideas to frontier infrastructure.

In every era of technology, there’s a moment when possibility builds practical momentum. For verifiable AI, that moment is here and now.

At Polyhedra, our mission is to give developers the right tools to build powerful and accountable AI systems.

But tools alone aren’t enough. AI needs an intelligent ecosystem. One that offers the support to experiment, the infrastructure to scale, and the integrity to grow the right way.

That’s why we’re introducing Playground, a new initiative empowering developers to build verifiable AI systems. Whether you’re refining a research idea or scaling a production-ready platform, Playground provides grants, compute, modular tools, and a global community aligned around the principle that systems should be verifiable, not just functional.

Verifiable AI is a foundational requirement for intelligent systems to operate in high-stakes, real-world environments. Playground equips developers with the infrastructure, funding, and network to build AI systems that are not only powerful but production-ready. 

Intelligence is shaped by the environment it’s built in. With Playground, we’re creating an environment where scalable infrastructure, modular tools, and a commitment to integrity support open experimentation. -Bart Meyer, Chief Ecosystem Officer at Polyhedra.

Growing with integrity

Think of Playground as a kind of incubator for verifiable AI, It’s not just capital. It’s the stack, mentorship, the community, and the environment AI needs to grow up right.

We’ve already seen what this kind of environment makes possible. In our Explore Expander Bootcamp, a collaboration with partners like Ethereum Foundation, Google, Microsoft and Worldcoin, developers came together to reimagine what’s possible with zkML.

Our winning team built a toolchain that generates zero-knowledge proofs for ONNX machine learning models, enabling anyone to verify a model's output without revealing the model itself. The team started with linear regression, but the implications go far beyond that. Using Polyhedra’s Expander Compiler Collection, they laid the groundwork for secure, composable inference across a wide range of AI models.

It’s this kind of work that turns research into reliability, and Playground is where we’ll continue to nurture it.

What’s inside the Playground?

Whether you’re a solo researcher or scaling a startup, Playground offers support at every stage:

Strategic Ecosystem Support

Apply for targeted grants, mentorship, and compute resources to bring your AI vision to life.

zkML Developer Stack

Build with zkPyTorch, our toolset for turning ML models into verifiable proofs. Tap into Expander - the industry’s fastest prover, and zkBridge for trustless interoperability.

AI Marketplace

Access plug-and-play APIs and tooling from providers like Pika, Luma AI, Speedmatics, and Deepgram. No deep blockchain experience required, just modular, composable tools ready to go.

Polyhedra Playmates

Playmates are ecosystem friends collaborating through the Playground to offer full-stack support, from early prototypes to production-grade deployments.

Playmates to grow with 

A new generation of AI doesn’t build itself, it takes an ecosystem. That’s why we’ve joined forces with a growing network of Playmates: infrastructure providers, tooling experts, capital partners, and mentorship aligned to help builders bring their vision to life.

Here, teams have the support and guidance needed to get from zero to one. The playground is where ideas begin, backed by partners who know what it takes to scale them.

Who it’s for

We’re looking for developers, researchers, and founders who are building at the edge of what’s possible.

If you’re building systems where innovation, trust, transparency, and performance matter, we want to hear from you.

Apply now to join the Playground.