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IFAI

Model rankings

1283 models · 5 boards · 2 sources

Text-to-speech arena · Anonymous head-to-head votes · Updated June 28, 2026

Best voice
Sonic 3.5Cartesia1,218Score
Best open model
Step Audio EditX (Mar 2026)StepFun1,113Score
Best from China
Fun-Realtime-TTSAlibaba1,210Score
Top three by Score
1Sonic 3.5Cartesia1,218
3Fun-Realtime-TTSAlibaba1,210
Top three open models
1Step Audio EditX (Mar 2026)StepFun · #21 overall1,113
2Fish Audio S2 ProFish Audio · #23 overall1,111
3Voxtral TTSMistral · #36 overall1,075
This week's changes
MAI-Image-2.5Image · #2New
MAI-Image-2.5-FlashImage · #9New
Luna TTSSpeech · #9New
Nex-N2-ProIntelligence · #20New
Grok Build 0.1 0616Intelligence · #29New
RankChangeModelScore95% interval
1—Gemini 3.1 Flash TTSClosedGoogle1,216±13
2—xAI Text to SpeechClosedxAI1,197±14
3—Azure HD 2.5ClosedMicrosoft1,120±14
4—TTS-1 HDClosedOpenAI1,097±12
5—TTS-1ClosedOpenAI1,086±11
6—Gemini 2.5 Flash Lite TTSClosedGoogle1,079±12
7—StudioClosedGoogle1,076±12
8—Polly GenerativeClosedAmazon1,072±12
9NewGPT-Realtime-2ClosedOpenAI1,070±15
10—Polly Long-FormClosedAmazon1,066±14
11—Chirp 3: HDClosedGoogle1,057±12
12—JourneyClosedGoogle1,057±13
13—Gemini 2.5 Pro (Dec 2025)ClosedGoogle1,040±13
14—Gemini 2.5 Flash TTS (Dec 2025)ClosedGoogle1,036±13
15▼ 6Azure NeuralClosedMicrosoft1,035±18
16▼ 1MAI-Voice-1ClosedMicrosoft1,014±14
17▼ 1VibeVoice 1.5BClosedMicrosoft966±14
18▼ 1Magpie MultilingualClosedNVIDIA940±14
19▼ 1WaveNetClosedGoogle900±12
20▼ 1Polly NeuralClosedAmazon886±14
21—Neural2ClosedGoogle884±12
22▼ 2StandardClosedGoogle878±12
23▼ 1Polly StandardClosedAmazon818±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 “—”.