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IFAI

Model rankings

1227 models · 5 boards · 2 sources

Text-to-speech arena · Anonymous head-to-head votes · Updated May 24, 2026

Best voice
Sonic 3.5Cartesia1,218Score
Best open model
Fish Audio S2 ProFish Audio1,124Score
Best from China
StepAudio 2.5 TTSStepFun1,187Score
Top three by Score
1Sonic 3.5Cartesia1,218
3Realtime TTS 1.5 MaxInworld1,194
Top three open models
1Fish Audio S2 ProFish Audio · #15 overall1,124
2Step Audio EditX (Mar 2026)StepFun · #18 overall1,112
3Voxtral TTSMistral · #31 overall1,070
This week's changes
Sonic 3.5Speech · #1New
Qwen3.7 MaxIntelligence · #5New
Gemini 3.5 Flash (high)Intelligence · #6New
gemini-3.5-flashCoding · #7New
RankChangeModelScore95% interval
1—Fish Audio S2 ProOpenFish Audio1,124±14
2—Step Audio EditX (Mar 2026)OpenStepFun1,112±14
3▲ 2Voxtral TTSOpenMistral1,070±14
4—Kokoro 82M v1.0OpenKokoro1,063±10
5▼ 2Magpie-Multilingual 357M (Feb 2026)OpenNVIDIA · 1 more variant1,060±14
6—Maya1OpenMaya Research1,053±11
7—Fish Speech 1.5OpenFish Audio1,010±11
8—ChatterboxOpenResemble AI1,008±11
9—Zonos-v0.1OpenZyphra1,000±0
10—VibeVoice 7BOpenMicrosoft963±13
11—OpenVoice v2OpenOpenVoice950±10
12—XTTS v2OpenCoqui895±12
13—StyleTTS 2OpenStyleTTS873±12
14—MetaVoice v1OpenMetaVoice772±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 “—”.