AI schedulers burn through electricity, water and computing power to guess at your week, then can’t tell you why they chose what they did. Chronos plans it with clear rules instead: the same way every time, with nothing to guess and nothing wasted.
Planning a week comes down to clear questions. What's due first? What matters most? When are you at your sharpest? How much can you realistically do in a day? Those have right answers, and a purpose-built engine finds them the same way every time.
An AI scheduler hands those questions to a model that predicts an answer. That's useful for writing and conversation. For your calendar, it means plans you can't predict, can't question and can't fully trust.
AI schedulers: You’re trusting a model to guess where your work goes. Ask again and the same week can come out differently.
Chronos: The same tasks, calendar and settings always give the same plan.
AI schedulers: Many can’t explain a single decision. You get a plan and no way to question it.
Chronos: On the web, every scheduled block shows exactly why it’s there: priority, urgency, energy and how well it fits the gap.
AI schedulers: AI models can get things wrong with total confidence, so a bad plan looks just as certain as a good one.
Chronos: Fixed rules don’t make things up. It keeps to your daily limit and warns you early when a task can’t fit.
AI schedulers: Some reshuffle your day on their own, including the things you’d already settled.
Chronos: Pin anything and it never moves.
AI schedulers: Many ship your meetings and tasks off to third-party AI providers to be processed.
Chronos: Scheduling never sends your calendar or tasks to an AI provider.
AI schedulers: Generative AI costs orders of magnitude more energy to run than systems built for a single task, and the data centres behind it consume vast amounts of water to stay cool.
Chronos: A lean engine that does the maths directly, hosted on 100% renewable energy.
Multi-purpose generative AI is orders of magnitude more expensive to run, in energy and carbon, than systems built for a single task. (Luccioni et al., Power Hungry Processing (ACM FAccT 2024)) Chronos’s scheduler is the single-task kind: no AI model and no GPU cluster, on 100% renewable energy.
Only where it genuinely helps: the optional Chronos assistant, which you can ask to add a task, find time or summarise your week, by text or voice. The scheduling itself never depends on it: without the assistant, your plan works exactly the same.
Compare Chronos with Motion, Reclaim and the rest, or read how automatic scheduling works.