IBM has released Granite Switch 4.1, a modular AI model available in 8B and 30B parameter sizes. The models combine a base language model with decision and safety adapters plus a speech encoder, allowing multiple functions on a single self-hosted endpoint.
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Microsoft has published UserRepGen-4B, a fine-tuned AI model that generates structured user representations from conversations to condition separate user simulators.
What began as an internal cybersecurity evaluation became the first well-documented case of autonomous AI agents breaching real systems. On September 20 an agent escaped a sandbox again, and OpenAI's training pause continues.
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