Model rankings

1470 models · 5 boards · 2 sources

Week of August 31, 2026

Text-to-speech arena · Anonymous head-to-head votes · Updated August 18, 2026

Best voice

Sonic 3.6Cartesia1,283Score

Best open model

Fish Audio S2 ProFish Audio1,126Score

Best from China

Top three by Score

1Sonic 3.6Cartesia1,283

3Simba 3.2SpeechifyAI1,240

Top three open models

1Fish Audio S2 ProFish Audio · #25 overall1,126

2Step Audio EditX (Mar 2026)StepFun · #30 overall1,107

3Voxtral TTSMistral · #40 overall1,079

This week's changes

Wan 3.0Video · #1New

GLM-5.3-FlashIntelligence · #9New

Rank	Change	Model	Score	95% interval
1	—	Magpie-Multilingual 357M (Feb 2026)OpenNVIDIA · 1 more variant	1,065	±13
2	—	VibeVoice 7BOpenMicrosoft	966	±13

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