OpenAI is shelving an AI model scheduled to launch in October due to safety concerns.

The company confirmed to Business Insider on Monday that it has canceled plans to launch its GPT-6.1 Astra model after internal tests raised questions about whether the AI would follow users’ instructions. The model was set to be integrated into ChatGPT in October, shortly after the company’s developer conference, which begins September 29 in San Francisco.

“For anything regarding safety and alignment, there’s a trade off,” Saachi Jain, head of safety systems at OpenAI, said in a statement. “You really do need to find what’s the right line between staying…