The GPT-6 Astra AI model announced by OpenAI this week successfully completed the space puzzle game Portal without human intervention. According to sources video cardthe experiment was conducted by user cosyblaze, in order to test the capabilities of GPT-6 Astra, he connected it to the game and gave it a task to complete, solving puzzles in the test room.

Image source: cozyblaze/Videocardz
The AI agent receives visual information from the game and uses a set of interconnected tools to make decisions. The latest configuration also provides the player’s coordinates. According to Cosyblaze, the system has been updated to use the new Astra context management system before release. So it’s not just a game, but a turn-based strategy game based on what’s on offer.
While the video of the model describing all stages of the game was two hours long, the entire experiment took much longer – almost 24 hours, including inference time. The system pauses the game while the model processes the screenshot and “decides” what to do next.
As a result, to overcome all obstacles, the AI model made 3336 tool calls with an API cost of $571.18.
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