Speakify

A bot for live language practice with real corrections is an interesting task architecturally. Here’s how I would build it: a dialogue through aiogram 3 on webhook (not polling — more stable under load), voice messages are transcribed via Whisper, text/speech go to GPT-4o with a system prompt that responds in the target language and immediately points out the user's mistakes. Sessions are stored in Redis — so the bot remembers the conversation context and does not lose progress between messages. A separate worker for error analytics per user — to show "your top 5 mistakes for the week."

What languages are in the first release and is monetization (subscription/message limits) needed right away, or is it okay to have an MVP without a paywall?

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Good day, I am ready to complete your task quickly and efficiently. I have extensive experience in creating various bots. Please write to me in private messages to discuss the details. I would be happy to help :)

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