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IFAI

Model rankings

1278 models · 5 boards · 2 sources

Text-to-speech arena · Anonymous head-to-head votes · Updated June 21, 2026

Best voice
Fun-Realtime-TTSAlibaba1,224Score
Best open model
Fish Audio S2 ProFish Audio1,117Score
Best from China
Fun-Realtime-TTSAlibaba1,224Score
Top three by Score
1Fun-Realtime-TTSAlibaba1,224
Top three open models
1Fish Audio S2 ProFish Audio · #20 overall1,117
2Step Audio EditX (Mar 2026)StepFun · #22 overall1,115
3Voxtral TTSMistral · #34 overall1,081
This week's changes
glm-5.2 (max)Coding · #2New
GLM-5.2 (max)Intelligence · #6New
seed-2.1-pro-previewCoding · #6New
kimi-k2.7-codeCoding · #17New
RankChangeModelScore95% interval
1—Gemini 3.1 Flash TTSClosedGoogle1,222±13
2—xAI Text to SpeechClosedxAI1,200±14
3—Azure HD 2.5ClosedMicrosoft1,130±13
4—TTS-1 HDClosedOpenAI1,099±12
5—TTS-1ClosedOpenAI1,091±10
6—Gemini 2.5 Flash Lite TTSClosedGoogle1,088±12
7—StudioClosedGoogle1,086±11
8—Polly GenerativeClosedAmazon1,076±12
9—Azure NeuralClosedMicrosoft1,071±12
10—Polly Long-FormClosedAmazon1,067±13
11—Magpie-Multilingual 357M (Feb 2026)OpenNVIDIA · 1 more variant1,065±14
12—Chirp 3: HDClosedGoogle1,060±12
13—JourneyClosedGoogle1,058±13
14—Gemini 2.5 Pro (Dec 2025)ClosedGoogle1,045±12
15—Gemini 2.5 Flash TTS (Dec 2025)ClosedGoogle1,036±12
16—MAI-Voice-1ClosedMicrosoft1,006±13
17—VibeVoice 7BOpenMicrosoft970±13
18—VibeVoice 1.5BClosedMicrosoft965±13
19—Magpie MultilingualClosedNVIDIA943±14
20—WaveNetClosedGoogle900±11
21—Polly NeuralClosedAmazon889±14
22—StandardClosedGoogle880±12
23—Neural2ClosedGoogle878±12
24—Polly StandardClosedAmazon814±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 “—”.