Dev.to
6/16/2026

Build a Conversational Language Tutor with Oxlo.ai and Llama 3.3
Original: Best LLM Models for Conversational AI in Language Learning
Short summary
Build a conversational language tutor with real-time error correction and adaptive CEFR-level difficulty using Oxlo.ai and llama-3.3-70b. Tutorial covers client setup, system prompt design, conversation memory with 20-turn capping, and mid-session difficulty switching. Request-based pricing scales efficiently with long conversation histories.
- •Real-time inline error correction that repeats corrected phrases and continues conversation
- •CEFR-level adaptive difficulty adjustment without losing conversation history
- •Request-based pricing scales cost-effectively regardless of context length
Generated with AI, which can make mistakes.
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