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IFAI

Model rankings

1239 models · 5 boards · 2 sources

Text-to-speech arena · Anonymous head-to-head votes · Updated May 31, 2026

Best voice
Gemini 3.1 Flash TTSGoogle1,214Score
Best open model
Fish Audio S2 ProFish Audio1,123Score
Best from China
Fun-Realtime-TTS-PreviewAlibaba1,193Score
Top three by Score
3Sonic 3.5Cartesia1,203
Top three open models
1Fish Audio S2 ProFish Audio · #17 overall1,123
2Step Audio EditX (Mar 2026)StepFun · #21 overall1,111
3Voxtral TTSMistral · #35 overall1,067
This week's changes
qwen3.7-max-20260517Coding · #3New
xAI Text to SpeechSpeech · #5New
Fun-Realtime-TTS-PreviewSpeech · #6New
RankChangeModelScore95% interval
1—Fish Audio S2 ProOpenFish Audio1,123±14
2—Step Audio EditX (Mar 2026)OpenStepFun1,111±14
3—Voxtral TTSOpenMistral1,067±14
4—Kokoro 82M v1.0OpenKokoro1,062±10
5—Magpie-Multilingual 357M (Feb 2026)OpenNVIDIA · 1 more variant1,056±14
6—Maya1OpenMaya Research1,051±12
7—Fish Speech 1.5OpenFish Audio1,005±11
8—ChatterboxOpenResemble AI1,004±11
9—Zonos-v0.1OpenZyphra1,000±0
10—VibeVoice 7BOpenMicrosoft963±13
11—OpenVoice v2OpenOpenVoice949±10
12—XTTS v2OpenCoqui898±12
13—StyleTTS 2OpenStyleTTS876±12
14—MetaVoice v1OpenMetaVoice770±15

Intelligence over time

Each maker's best model at the time on the Artificial Analysis Intelligence Index, by the month it was released.

Gained most · Anthropic +57.2Highest now · Anthropic 64.6Gap between highest and lowest 18.1 ptsTime range Nov 2025 – Nov 2026
64.6Anthropic60.0Google56.9OpenAI50.1Meta46.5Kimi

Arena data comes from the leaderboard dataset it publishes on Hugging Face (CC BY 4.0). Only each board's overall leaderboard is used; scores and ranks are unchanged. dataset · CC BY 4.0

Artificial Analysis data comes from its API (artificialanalysis.ai). Scores are unchanged; ranks follow the scores. artificialanalysis.ai

Open or closed follows the license Arena gives; prices and Artificial Analysis intelligence show only where model names match, otherwise “—”.