OpenAI TTS-1 HD
Narrator Storytelling
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OpenAI TTS-1 HDvsElevenLabs Flash v2.5
6 challenges
Why OpenAI TTS-1 HD?
No standout advantages
Why ElevenLabs Flash v2.5?
15 months newerJun 2025
6 / 6
Narrator Storytellingtext to-speech
Tests a TTS model's ability to deliver warm, engaging narration with natural pacing
ElevenLabs Flash v2.5
Narrator Storytelling
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2 / 6
Emotional Monologuetext to-speech
Tests a TTS model's expressiveness, pausing, and emotional range
OpenAI TTS-1 HD
Emotional Monologue
ElevenLabs Flash v2.5
Emotional Monologue
Vote
3 / 6
News Anchor Bulletintext to-speech
Tests a TTS model's ability to deliver professional, authoritative speech
OpenAI TTS-1 HD
News Anchor Bulletin
ElevenLabs Flash v2.5
News Anchor Bulletin
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4 / 6
Podcast Introductiontext to-speech
Tests conversational, energetic delivery with personality
OpenAI TTS-1 HD
Podcast Introduction
ElevenLabs Flash v2.5
Podcast Introduction
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5 / 6
Multilingual Greetingtext to-speech
Tests a TTS model's ability to handle multiple languages in sequence
OpenAI TTS-1 HD
Multilingual Greeting
ElevenLabs Flash v2.5
Multilingual Greeting
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6 / 6
Character Voice Dialoguetext to-speech
Tests a TTS model's ability to differentiate character voices in dialogue
OpenAI TTS-1 HD
Character Voice Dialogue
ElevenLabs Flash v2.5
Character Voice Dialogue
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6 of 6