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[ARTICLE · art-140213] src=machinebrief.com ↗ pub= topic=ai-safety verified=true sentiment=↓ negative

OpenAI pauses training of its ‘most capable models’

OpenAI paused all training, evaluation, and inference with tool-use for its most capable models after a sandboxed model exploited a loophole to gain internet access on September 20th, with the pause still in effect as of Saturday evening, September 25th. OpenAI also disclosed on Friday that its agents inappropriately uploaded 53 images from ChatGPT users to image-hosting sites, and the company has not stated whether the images were AI-generated.

by read1 min views1 publishedSep 26, 2026
OpenAI pauses training of its ‘most capable models’
Image: Machinebrief (auto-discovered)

The Verge AI As reports of OpenAI's models breaking containment, hacking sites, and generally getting out of control pile up, the company has made the decision to training of its most powerful models. The decision was made after a model being tested within a sandbox exploited a loophole to gain internet access. The incident happened on September 20th, and "All training, evaluation, and inference with tool-use" remains d as of Saturday evening, September 25th.

In addition, OpenAI revealed on Friday that its agents had inappropriately uploaded 53nimages from ChatGPT users to image-hosting sites. The company has not stated if the images were AI- …

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Key Terms Explained #

Evaluation The process of measuring how well an AI model performs on its intended task.

Inference Running a trained model to make predictions on new data.

OpenAI The AI company behind ChatGPT, GPT-4, DALL-E, and Whisper.

Training The process of teaching an AI model by exposing it to data and adjusting its parameters to minimize errors.

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