Frontier AI Is a Ferrari. Most Companies Need a Model Y | Turing CEO

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Jonathan Siddharth, Co-Founder & CEO of Turing, joins Sourcery to break down how AI training & deployment are changing in 2026. We cover the shift from training models to pass benchmarks to training agents for real work through RL environments, and why AI agents that can operate for days today could eventually work autonomously for weeks, months and years. Jonathan explains why open-weight models are now roughly 3–6 months behind the frontier, why enterprises are building their own AI systems, and how companies should think about frontier vs. sovereign AI, model routing, distillation and owning their proprietary learning loops. “There's absolutely a place in the world for Ferraris &…