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IFAI

Model rankings

1209 models · 5 boards · 2 sources

Text-to-speech arena · Anonymous head-to-head votes · Updated May 17, 2026

Best voice
Realtime TTS 1.5 MaxInworld1,208Score
Best open model
Fish Audio S2 ProFish Audio1,128Score
Best from China
StepAudio 2.5 TTSStepFun1,187Score
Top three by Score
1Realtime TTS 1.5 MaxInworld1,208
3StepAudio 2.5 TTSStepFun1,187
Top three open models
1Fish Audio S2 ProFish Audio · #13 overall1,128
2Step Audio EditX (Mar 2026)StepFun · #18 overall1,104
3Magpie-Multilingual 357M (Feb 2026)NVIDIA · #28 overall1,063
This week's changes
HiDream-O1-ImageImage · #31New
JT-35B-FlashIntelligence · #67New
granite-4.1-8bCoding · #68New
RankChangeModelScore95% interval
1—Fish Audio S2 ProOpenFish Audio1,128±21
2—Step Audio EditX (Mar 2026)OpenStepFun1,104±21
3—Magpie-Multilingual 357M (Feb 2026)OpenNVIDIA · 1 more variant1,063±21
4—Kokoro 82M v1.0OpenKokoro1,056±9
5—Voxtral TTSOpenMistral1,056±21
6—Maya1OpenMaya Research1,050±13
7—Fish Speech 1.5OpenFish Audio1,011±10
8—ChatterboxOpenResemble AI1,006±10
9—Zonos-v0.1OpenZyphra1,000±0
10—VibeVoice 7BOpenMicrosoft960±17
11—OpenVoice v2OpenOpenVoice949±8
12—XTTS v2OpenCoqui886±9
13—StyleTTS 2OpenStyleTTS879±9
14—MetaVoice v1OpenMetaVoice764±14

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 “—”.