GPT Audio
Narrator Storytelling
Compare GPT Audio and GPT Audio Mini, both from OpenAI, context windows of 128K vs 128K, tested across 6 shared challenges. Updated February 2026.
6 challenges
Tests a TTS model's ability to deliver warm, engaging narration with natural pacing
Narrator Storytelling
Narrator Storytelling
Tests a TTS model's expressiveness, pausing, and emotional range
Emotional Monologue
Emotional Monologue
Tests a TTS model's ability to deliver professional, authoritative speech
News Anchor Bulletin
News Anchor Bulletin
Tests conversational, energetic delivery with personality
Podcast Introduction
Podcast Introduction
Tests a TTS model's ability to handle multiple languages in sequence
Multilingual Greeting
Multilingual Greeting
Tests a TTS model's ability to differentiate character voices in dialogue
Character Voice Dialogue
Character Voice Dialogue