RestOrTrain vs ChatGPT for cycling training

Every number RestOrTrain can calculate without AI is calculated without AI. That includes training load, power estimates, fitness and fatigue. FTP is estimated from your power curve using the same calculation each time.

A general-purpose model works training numbers out again each time and can produce different answers. RestOrTrain's consistent calculations leave far less room for error. Its AI works from the computed numbers.

RestOrTrain also has guardrails built specifically so endurance load is assessed and recommended appropriately. General-purpose models do not have them.

Its AI was selected after testing on endurance training decisions. RestOrTrain draws on current endurance training science.

Language models are conservative by default. In training, that means weeks that are too light and key sessions that are too short. RestOrTrain's own tests showed this, and it is tuned to make the right training call instead.

RestOrTrain learns your strengths, weaknesses and power profile over time. It learns from every interaction, including activity notes, post-workout feedback and every detail you tell it. It keeps that knowledge organized for endurance training and acts on it.

Ask whether to train today and RestOrTrain weighs that history alongside your sleep, HRV, resting heart rate, training load, plan and calendar. It explains the recommendation.

You can read the facts remembered from your chats in the Memory list on the Profile tab. Ride notes also inform every answer, although they sit outside that list.

RestOrTrain plans toward your goal in phases such as base, build and taper. Each phase has dates, a range of weekly hours and a reason for it. It builds every workout for you and the day, then fills your training calendar.

The coming sessions are already scheduled, so there is no library to choose from. Ask for any other workout in chat: "threshold" or "5 x 3 minutes at 350 W". You can adjust any workout by chatting too.

Tell RestOrTrain about races, travel and days off and it marks them on the calendar. It adapts your plan with your approval, and at once when you tell it what changed. Updated workouts sync to your devices.

Planned workouts also appear in Apple Calendar or Google Calendar through a calendar subscription. After a ride that matched a planned workout, RestOrTrain gives it a Workout Score out of 100 and explains the score.

Ask for weekly training load since March or efficiency over time. RestOrTrain draws a bar or line chart in the reply from your computed data, with nothing to upload. ChatGPT can also draw charts, using code on data you upload or connect.

RestOrTrain shows power bests from 5 seconds to 60 minutes, with percentiles against other riders and an estimated racing category. ChatGPT does not have that rider comparison data.

The indoor player runs planned cycling workouts or workouts requested in chat. It connects to a Bluetooth smart trainer that supports FTMS, with an optional heart-rate strap. ERG holds each step's watts and can be switched off. The player works for every account on iOS and Android and keeps running with your phone locked.