IBM’s Granite team released two experimental language models on November 12, 2026, trained to separate trusted instructions from untrusted data. IBM reports that the 3B and 8B previews avoided 47% more attacks than the best frontier model it tested on the OPI benchmark. The two models, Granite-4.1-3B-LLMON-preview and Granite-4.1-8B-LLMON-preview, were fine-tuned from Granite 4.1 base checkpoints rather than the released instruct models. Both carry an Apache 2.0 license and are intended for…
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IBM Releases Granite Models Designed to Resist Prompt Injection