GPT-6 Astra

Best for prompt-to-hosted browser games in ChatGPT.

OpenAI's flagship model of September 2026, built for coding, computer use and long multi-step tasks. Through Sites in ChatGPT it can write, host and share a browser game from a prompt, and with computer use it can drive tools like Blender and a game engine end to end. Makers in the den are using it as a one-stop builder: code, assets and hosting in one conversation.

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Say what you used. No tool-shaming, no scores, no drive-bys.

Used this on a game? Say how it went. The people who make it read here.

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