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Reactor
Inception
A world model hackathon series, where builders make something that reacts back in real time. We ran India’s first one in Bengaluru on June 20, 2026.
Beyond predicting the next token.
World models learn to simulate reality: space, time, physics, cause and effect. Inception is a hackathon where you build on top of one: real-time, generative, interactive apps that turn a model of the world into something people can actually use.
Reactor
Reactor recently emerged from stealth with a $59M Series A to build the infrastructure for real-time AI and world models.
For Inception, Reactor powers every build. Selected teams receive API credits, access to world-model endpoints, and direct support from Reactor engineers throughout the day.
What you get
- Access to Reactor’s world-model APIs and credits
- Starter templates to get building fast
- Mentors working at the frontier of world models
- Workspace, food, and caffeine for a full day of building
Inception Series
Hackathon I
Bengaluru · June 20, 2026
We teamed up with Interact Studio and Reactor to host a world model hackathon in Bengaluru on June 20.
55 builders locked in for 8 hours. Teams built across space, defense, ar/vr, electronics, cinema, and more with world models.
Standout builds shared a $1,500 cash prize pool.
Tracks
Interactive Worlds
Real-time reactive games and simulations that feel alive and responsive.
Generative Environments
Coherent worlds and scenes generated from prompts, images, or seeds.
Agents in Worlds
Agents that perceive, reason, and act inside simulated environments.
Developer Tools
Editors, SDKs, pipelines, and infrastructure that accelerate world model building.
FAQs
A world model hackathon series from Launchd. The first edition ran in Bengaluru on June 20, 2026: a free, in-person build day where 55 selected builders made real-time, interactive apps on top of world models, hosted with Interact Studio and powered by Reactor. Judges picked multiple builds to celebrate, and those teams shared a $1,500 cash prize pool.
We’re planning more editions under the Inception name. Dates and city aren’t locked yet. Write to team@thelaunchd.com if you want to be told first, or if you want to host one with us.
A model that learns to simulate how a world behaves: space, light, physics, cause and effect. It generates that world frame by frame, fast enough for you to interact with it in real time. Think of the difference between watching a video and being inside one you can steer. At Inception you build applications on top of these models; you don’t need to train one yourself.
The developer platform powering Inception. One API and SDK gives you access to major real-time world models with very low-latency streaming, which turns a world model from something you prompt into something you can build a live app on. Reactor recently emerged from stealth with a $59M Series A.
No. Starter kits, API credits, and mentors take you from zero to a working build inside the day. Most of the room at the first edition was touching this technology seriously for the first time, and that’s sort of the point. Show up curious and we’ll handle the ramp.
Inception
will run again.
Hackathon I is done. More editions are coming under the same name. Want in, or want to host one with us?
team@thelaunchd.com
Interact Studio
Launchd