Architecture comparison
Enterprise
Joule is multi-model: SAP’s own ABAP LLM plus a Generative AI Hub fronting OpenAI, Gemini, Anthropic (Claude powers Joule agents), Llama, and sovereign Mistral/Cohere on SAP cloud.
HR
Runs Illuminate, its own ~800B-parameter LLM trained on HR/finance data from 10,500+ customers (800B transactions/yr) for privacy + enterprise fit; acquired Sana (2025) for custom AI agents.