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AI model rankingsSpeechTTS-1

TTS-1

OpenAI

Visit OpenAI
#49 of 100 for text to speech Updated Nov 1, 2026, 07:51 AM UTC

At a glance

How TTS-1 compares with the other 99 text to speech models.

  • Middle of the pack. Ranked #49 of 100, 247 Elo points behind #1 and ahead of 52% of models.

  • Close race with 19 models. Its score range overlaps with Chatterbox HD, Fish Audio S2 Pro, Speech-02-HD and 16 more, so you may not notice a difference.

  • Usually wins. Against a typical model it gets picked in about 51% of blind votes.

Model details

Made by
OpenAI
Category
Speech
Released
–
Best OpenAI model
TTS-1 HD
Win rate vs all
50%
Companies ranked
43

Rank

#49

of 100 models

Elo rating

1,089

247 behind #1

typical 1,086

± range

±10

how certain the score is

Votes

–

blind comparisons

Where it ranks

This model next to its closest competitors. Click another bar to open that model.

Head-to-head chances

How often people would pick this model over another in a blind vote, based on the Elo scores.

  • vs Eleven v4 Turbo · #1 overall19%
  • vs Voxtral TTS · The model just above (#48)50%
  • vs OpenAudio S1 · The model just below (#50)50%
  • vs Gemini 2.5 Flash Lite TTS · A typical model (the median)51%

Nearby in the ranking

  • Speech-02-Turbo

    MiniMax

    1,091

    Elo

    #47

    rank

  • Voxtral TTS

    Mistral

    1,090

    Elo

    #48

    rank

  • TTS-1

    OpenAI

    1,089

    Elo

    #49

    rank

  • OpenAudio S1

    Fish Audio

    1,087

    Elo

    #50

    rank

  • Gemini 2.5 Flash Lite TTS

    Google

    1,085

    Elo

    #51

    rank

More from OpenAI

  • TTS-1 HD

    OpenAI

    1,106

    Elo

    #42

    rank

  • GPT-Realtime-2

    OpenAI

    1,073

    Elo

    #54

    rank

Questions people ask

Is TTS-1 the best text to speech model?
Not quite: it's #49 of 100. The leader is Eleven v4 Turbo by ElevenLabs, 247 Elo points ahead. People would still pick TTS-1 over it in about 19% of blind votes.
How is this ranking made?
People are shown two results for the same prompt without knowing which model made them, and vote for the one they like more. The votes are turned into an Elo score, the same system used to rank chess players.
Who makes TTS-1?
OpenAI (openai.com). They have 3 models in this ranking.
What are alternatives to TTS-1?
Speech-02-Turbo (MiniMax), Voxtral TTS (Mistral), OpenAudio S1 (Fish Audio), Gemini 2.5 Flash Lite TTS (Google) are ranked closest to it. The best model from another company is Eleven v4 Turbo by ElevenLabs.

People see two results for the same prompt without knowing which model made them, and vote for the better one. Gaps under about 20 Elo points are hard to notice in practice.

Benchmark data from Artificial Analysis, an independent benchmarking company. Rankings refresh every few hours.