HeyGen Voice Turbo takes the #1 spot on the Artificial Analysis Controlled Voice TTS Arena Leaderboard, with their previous model, HeyGen Voice, ranking #2

Just two weeks after reaching #1 with its previous model, @HeyGen has released HeyGen Voice Turbo, which now leads the leaderboard at $4/1M characters. Our Controlled Voice Arena evaluates models using the same 8 cloned voices (4 US, 4 UK), allowing listeners to compare speech quality across models independently of voice preference.

Key takeaways:

➤ Controlled Voice Arena: HeyGen Voice Turbo has an Elo of 1,202 across 1,663 appearances, ranking #1 of 46 models, ahead of HeyGen Voice at 1,196 and Qwen-Audio-3.1-TTS-Plus at 1,185. It also ranks #1 in Assistants and Entertainment.

➤ Accents: HeyGen Voice Turbo ranks #1 in English (UK) with an Elo of 1,197 and #2 in English (US) at 1,204, behind only Qwen-Audio-3.1-TTS-Plus.

➤ Pronunciation Robustness: HeyGen Voice Turbo scores 87.8%, ranking #8 of 33 models, improving from HeyGen Voice's 83.2%. It also ranks #1 in Preserving Exact Sequences at 91.8%.

➤ Pricing: At $4/1M characters, HeyGen Voice Turbo is the lowest-priced model on the Controlled Voice Arena Leaderboard, compared to Simba 3.2 at $6.6/1M characters and Gemini 3.8 Flash-Lite TTS at $11/1M characters. It is also 7.5x cheaper than HeyGen Voice at $30/1M characters.

See more details and listen to samples below ⬇️