GPT-6 Astra playtests games like a human via in-app browser, reading DOM to save tokens
cedric_chee · x · 2026-09-13
- Developer cedricchee uses GPT-6's Astra in-app browser for game verification and playtesting, finding it much faster than headless tools like Playwright.
- With Computer Use improvements, Astra can click through and playtest games like a real player without scripts.
- Reading the browser DOM directly instead of screenshots saves significant tokens.
- Context: he previously had GPT-6 build a game from Gran Turismo and the F1 movie, probing its 3D graphics limits.
Related event: Developer builds interactive 3D racing game with GPT-6 Astra(5 posts)→
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