What is the difference between OpenAI TTS-1 and OpenAI TTS-1 HD?

Both are developed by OpenAI but target different use cases. You can compare their actual outputs across 6 challenges on RIVAL to see how they differ in practice.

Which is better, OpenAI TTS-1 or OpenAI TTS-1 HD?

It depends on your use case. OpenAI TTS-1 and OpenAI TTS-1 HD each have strengths in different areas. RIVAL lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.

How can I compare OpenAI TTS-1 and OpenAI TTS-1 HD on RIVAL?

This page shows a side-by-side comparison of OpenAI TTS-1 and OpenAI TTS-1 HD across shared challenges. You can vote on which model produced the better output, and Pro users can create custom challenges to test both models with their own prompts.

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OpenAI TTS-1vsOpenAI TTS-1 HD

6 challenges

Why OpenAI TTS-1?

No standout advantages

Why OpenAI TTS-1 HD?

5 months newerApr 2024

6 / 6

Narrator Storytellingtext to-speech

Tests a TTS model's ability to deliver warm, engaging narration with natural pacing

OpenAI TTS-1

Openai · Nov 2023audio

Narrator Storytelling

OpenAI TTS-1 HD

Openai · Apr 2024audio

Narrator Storytelling

Vote

2 / 6

Emotional Monologuetext to-speech

Tests a TTS model's expressiveness, pausing, and emotional range

OpenAI TTS-1

Openai · Nov 2023audio

Emotional Monologue

OpenAI TTS-1 HD

Openai · Apr 2024audio

Emotional Monologue

Vote

3 / 6

News Anchor Bulletintext to-speech

Tests a TTS model's ability to deliver professional, authoritative speech

OpenAI TTS-1

Openai · Nov 2023audio

News Anchor Bulletin

OpenAI TTS-1 HD

Openai · Apr 2024audio

News Anchor Bulletin

Vote

4 / 6

Podcast Introductiontext to-speech

Tests conversational, energetic delivery with personality

OpenAI TTS-1

Openai · Nov 2023audio

Podcast Introduction

OpenAI TTS-1 HD

Openai · Apr 2024audio

Podcast Introduction

Vote

5 / 6

Multilingual Greetingtext to-speech

Tests a TTS model's ability to handle multiple languages in sequence

OpenAI TTS-1

Openai · Nov 2023audio

Multilingual Greeting

OpenAI TTS-1 HD

Openai · Apr 2024audio

Multilingual Greeting

Vote

6 / 6

Character Voice Dialoguetext to-speech

Tests a TTS model's ability to differentiate character voices in dialogue

OpenAI TTS-1

Openai · Nov 2023audio

Character Voice Dialogue

OpenAI TTS-1 HD

Openai · Apr 2024audio

Character Voice Dialogue

Vote

6 of 6

FAQ