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AI model rankingsSpeechLightning v3.1

Lightning v3.1

Smallest.ai

Visit Smallest.ai
#81 of 100 for text to speech Updated Oct 30, 2026, 04:30 PM UTC

At a glance

How Lightning v3.1 compares with the other 99 text to speech models.

  • Behind the leaders. Ranked #81 of 100, 314 Elo points behind #1 and ahead of 19% of models.

  • Close race with 12 models. Its score range overlaps with Maya1, OpenAudio S1 Mini, Gemini 2.5 Pro and 9 more, so you may not notice a difference.

  • Usually loses. Against a typical model it gets picked in about 41% of blind votes.

Model details

Made by
Smallest.ai
Category
Speech
Released
–
Best Smallest.ai model
Lightning V3.1 Pro
Win rate vs all
41%
Companies ranked
43

Rank

#81

of 100 models

Elo rating

1,022

314 behind #1

typical 1,086

± range

±12

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 overall14%
  • vs Chatterbox · The model just above (#80)50%
  • Kvs Raon SpeechLM · The model just below (#82)52%
  • vs Gemini 2.5 Flash Lite TTS · A typical model (the median)41%

Nearby in the ranking

  • Polly Long-Form

    Amazon

    1,027

    Elo

    #79

    rank

  • Chatterbox

    Resemble AI

    1,024

    Elo

    #80

    rank

  • Lightning v3.1

    Smallest.ai

    1,022

    Elo

    #81

    rank

  • K

    Raon SpeechLM

    Krafton

    1,007

    Elo

    #82

    rank

  • Zonos-v0.1

    Zyphra

    1,000

    Elo

    #83

    rank

More from Smallest.ai

  • Lightning V3.1 Pro

    Smallest.aiOct 2026

    1,266

    Elo

    #9

    rank

Questions people ask

Is Lightning v3.1 the best text to speech model?
Not quite: it's #81 of 100. The leader is Eleven v4 Turbo by ElevenLabs, 314 Elo points ahead. People would still pick Lightning v3.1 over it in about 14% 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 Lightning v3.1?
Smallest.ai (smallest.ai). They have 2 models in this ranking.
What are alternatives to Lightning v3.1?
Polly Long-Form (Amazon), Chatterbox (Resemble AI), Raon SpeechLM (Krafton), Zonos-v0.1 (Zyphra) 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.