Tech Jan 13, 2026 5 min Building a Talkable AI Environment (3): Character Setup Comparing how to give AI characters personality across the Gemini, Claude, and OpenAI APIs — covering System Prompts, Prefill, and structured output. AI LLM API Gemini Claude OpenAI Experiment
Tech Jan 10, 2026 6 min Building a Voice-Chat AI (1): Voice API Survey Aiming for a characterful AI with an avatar and voice chat, I started by comparing voice APIs. AI Speech Synthesis Speech Recognition TTS STT Gemini OpenAI ChatGPT VOICEVOX Google Cloud
