Definition
Plain language
An open-weight family of large language models, used as one of several comparison models in research.
As stated in the literature
An open-weight foundation model series (from TII) used as one backbone among many in scaling and behavioral studies, including prefill-awareness and safety-paradox experiments.
Why it matters: Having openly available model families lets researchers run and reproduce experiments without depending on a single closed system.
For example, a study might run the same prefill-detection test on Falcon alongside several other open models to see how behavior varies across them.
Heard on the show
“Different families — Llama, Qwen, Falcon, Gemma, Mistral — sizes up to thirty-five billion parameters, release dates spanning 2023 all the way into 2026.”Episode 118 — Why the Best-Aligned AI Models Are the Easiest to Trick Into Producing Harm