Built with GPT-6 Astra

What people are building with GPT-6 Astra, shown by the people who built it.

Built with GPT-6 Astra.

40 demos.

• A world in Unreal Engine filled with AI agents — Each human character is its own agent that has to cooperate with the others to survive. by Matt Shumer (@mattshumer_) · View post
• A Manhattan world built in Unreal Engine — Built over the course of a week, going street by street until each one was right. by Matt Shumer (@mattshumer_) · View post
• A browser game built in one shot — Made in a single generation to show off 3D reasoning and Blender skill, and it runs entirely in the browser. by Theo - t3.gg (@theo) · View post
• A full 3D reconstruction of a house — Given a single photo of a house, it rebuilt it in 3D down to the toys, appliances, and furniture. by Tom Krcha (@tomkrcha) · View post
• A one-shot Minecraft build — Generated in a single pass, a run at the now-popular Minecraft benchmark. by Flavio Adamo (@flavioAd) · View post
• A house 3D modeled from a Zillow listing — Built from listing photos alone, it generated a promo video in one shot, with a few details still off. by Yunfan Ye (@realYunfanYe) · View post
• A walkable house scene in Unreal Engine 5 — Modeled in Blender, then turned into a walkable UE5 scene so designers and clients can explore the layout before it's built. by Chris (@ChrisGPT) · View post
• Apple Park recreated in Blender from photos — Built from just a set of images, reproducing the campus with surprising accuracy. by Max Weinbach (@mweinbach) · View post
• Early hands-on tests across games and work tasks — Early access testing covered games, code, writing, browser control, and presentations, with demos posted in the thread. by Matthew Berman (@MatthewBerman) · View post
• A Mac app that visualizes Codex threads on a 3D iPod — The iPod model was built in Blender with the original iPod UI and click wheel, done in 15 minutes. by Pietro Schirano (@skirano) · View post
• The Palace of Fine Arts recreated in Blender — It's the author's favorite San Francisco building, built for the 1914 World's Fair. by Sharif Shameem (@sharifshameem) · View post
• An Oval Office scene modeled in Blender — The model generated the scene code from a set description, then Higgsfield built and rendered it in Blender with Cycles. by Higgsfield AI 🧩 (@higgsfield_ai) · View post
• A side-by-side comparison of model outputs — Same prompts run through two models side by side to compare the jump in quality between them. by Chetaslua (@chetaslua) · View post
• A 3D spaceship model — Generated ahead of the model's release, pointing to fixes for frontend generation issues seen in earlier versions. by Pankaj Kumar (@pankajkumar_dev) · View post
• A peacock illustration in SVG — A single peacock image generated directly as vector SVG code. by Peter Gostev (@petergostev) · View post
• A 3D scene built in Blender — The creator calls the result state of the art for 3D modeling. by bluedev (@blueemi99) · View post
• A Terraria recreation in a single HTML file — Built in one user turn with no imported assets, complete with multiple bosses and a hardmode transition. by Lentils (@Lentils80) · View post
• A 5-minute educational video about T cells — Made from a single prompt using the Remotion plugin, created by an immunologist who has studied the topic for years. by Derya Unutmaz, MD (@DeryaTR_) · View post
• Three kart game reskins built from one prototype — From one grey-box kart prototype, it built pirate, candy, and cyberpunk versions in Unity, fixing its own bugs with half the manual work before. by Chetaslua (@chetaslua) · View post
• An open world adventure game — Made with the Ultra version of the model, with no other details shared yet. by Peter Gostev (@petergostev) · View post
• Automated video editing in Final Cut Pro — Computer-use control set up projects, synced clips, ran color grades and did first-pass edits by clicking the app like a person would. by Ben Davis (@davis7) · View post
• A prototype clip made with a modified director tool — It uses a modified version of fal's H3 Max Director, still an early prototype, shown as a small clip. by Lovis Odin (@OdinLovis) · View post
• A museum photo shoot planned and blocked in 3D — It mapped the museum, cast, and shot list itself, then Higgsfield Seedance 2.5 rendered every setup. by Higgsfield AI 🧩 (@higgsfield_ai) · View post
• A GTA VI style game, built twice for comparison — Two models built the same GTA VI-inspired game from one prompt, shown side by side with audio switching every 10 seconds. by Mehul Mohan (@mehulmpt) · View post
• A humanoid wolf modeled in Blender — It used computer use to take control and build the model itself in Blender. by Matt Wolfe (@mreflow) · View post
• A grand piano you can see through to its strings — Modeled down to the strings visible through the case, and it actually plays music. by jusalie (@lh_lhne) · View post
• A procedural infinite backrooms game — An endlessly generated backrooms-style browser game with procedural level layouts. by vogel (@ryanvogel) · View post
• Automated project setup in Final Cut Pro — Clips were imported, color graded and synced automatically to prep a fresh recording for editing, watched live on camera. by Ben Davis (@davis7) · View post
• A playable web game and a walkable Unreal Engine scene — Two captured outputs: a game playable in the browser, and a Blender house turned into a walkable UE5 scene. by Shikhar (@xikhar) · View post
• The Golden Gate Bridge in 3D — A 3D model of the bridge produced by the Max variant of the model. by Peter Gostev (@petergostev) · View post
• A feature-rich SimCity-style city builder — Built over five days with hand-made hospitals, cars, homes, police stations and roads, running fully in 3D in the browser with no lag. by Matthew Berman (@MatthewBerman) · View post
• A full SimCity clone — Run with /goal for five days straight and still wasn't finished by the time the demo shipped. by Matthew Berman (@MatthewBerman) · View post
• A studio-quality animated character from one sheet — Made from a single character sheet, replacing a studio, mocap rig, and years of production time. by Quadcode AI (@quadcode_ai) · View post
• A Fall Guys style clone — One of a series of game recreations shown from the same round of early testing. by Matthew Berman (@MatthewBerman) · View post
• A 3D mini biome world — Another build from the same testing run, a small self-contained biome environment. by Matthew Berman (@MatthewBerman) · View post
• A voxel ship in a bottle sailing rolling seas — A detailed 17th-century ship rides physics-based waves with circling gulls, a harbor and coral reefs, built in Three.js with its own cinematic video and music. by Derya Unutmaz, MD (@DeryaTR_) · View post
• A 3D liminal space horror game — Set in an eerie, empty liminal space, built in the same round of demos. by Matthew Berman (@MatthewBerman) · View post
• A city built from 3D ASCII art — Renders an entire city out of ASCII characters in three dimensions. by Matthew Berman (@MatthewBerman) · View post
• A walking tour through Kyoto — Put together using browser control to assemble the tour. by Matthew Berman (@MatthewBerman) · View post
• A product launch video made in one attempt — Motion got a single shot to produce this launch ad, playing on the phrase Ad Astra. by Motion (@motion_so) · View post