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AI model rankingsSpeechStep TTS 2

Step TTS 2

StepFunMar 2026

Visit StepFun
#34 of 100 for text to speech Updated Oct 30, 2026, 04:30 PM UTC

At a glance

How Step TTS 2 compares with the other 99 text to speech models.

  • Middle of the pack. Ranked #34 of 100, 199 Elo points behind #1 and ahead of 67% of models.

  • Close race with 10 models. Its score range overlaps with SpaceXAI TTS, Falcon 2, Gradium TTS and 7 more, so you may not notice a difference.

  • Usually wins. Against a typical model it gets picked in about 57% of blind votes.

Model details

Made by
StepFun
Category
Speech
Version
Mar 2026
Released
–
Best StepFun model
StepAudio 2.5 TTS
Win rate vs all
56%
Companies ranked
43

Rank

#34

of 100 models

Elo rating

1,137

199 behind #1

typical 1,086

± range

±11

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 overall24%
  • Avs Async Flash v1.5 · The model just above (#33)49%
  • Avs Async Pro v1.0 · The model just below (#35)51%
  • vs Gemini 2.5 Flash Lite TTS · A typical model (the median)57%

Nearby in the ranking

  • Azure HD 2.5

    Microsoft

    1,145

    Elo

    #32

    rank

  • A

    Async Flash v1.5

    async

    1,141

    Elo

    #33

    rank

  • Step TTS 2

    StepFunMar 2026

    1,137

    Elo

    #34

    rank

  • A

    Async Pro v1.0

    async

    1,129

    Elo

    #35

    rank

  • Speech 2.6 HD

    MiniMax

    1,127

    Elo

    #36

    rank

More from StepFun

  • StepAudio 2.5 TTS

    StepFunAug 2026

    1,214

    Elo

    #18

    rank

  • Step Audio EditX

    StepFunMar 2026

    1,099

    Elo

    #43

    rank

Questions people ask

Is Step TTS 2 the best text to speech model?
Not quite: it's #34 of 100. The leader is Eleven v4 Turbo by ElevenLabs, 199 Elo points ahead. People would still pick Step TTS 2 over it in about 24% 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 Step TTS 2?
StepFun (stepfun.com). They have 3 models in this ranking.
What are alternatives to Step TTS 2?
Azure HD 2.5 (Microsoft), Async Flash v1.5 (async), Async Pro v1.0 (async), Speech 2.6 HD (MiniMax) 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.