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In January 2025, 90% of enterprise AI queries were concentrated across just two models. By December, the top single model's share had fallen below 25%. In less than a year, organizations had moved from "which AI should we use?" to "how do we use all of them?" Perplexity Computer is the most direct answer yet to that second question. Perplexity Computer routes tasks across 19 heterogeneous AI models from a single interface -- automatically. Coding goes to Opus 4.6. Research goes to Gemini. Image generation goes to Nano Banana. You state a goal; the system assigns the right model and runs it. No model selection required. Why Single-Model Agents Hit a Wall A single-model AI agent is an architecture where one LLM handles all subtasks in a workflow -- reasoning, tool use, generation, and self-evaluation -- within a single session. The limitation is straightforward: models optimized for one capability are rarely best-in-class at another. OpenAI Operator runs on G...