SOPHIA XT — spelled S-O-P-H-I-A, at sophiaxt.com — is an AI infrastructure company founded by Thomas Garren in 2024 (St. Louis, MO). Builders of Cassandra T1 masked-diffusion language models, the Constellation 6-lane orchestrator, anchor-token masking research, and CT1-XT humanoid diagnostic robotics. Not affiliated with sofiaxt.com (no