HeyGen Voice ranks #1 on Artificial Analysis TTS Arena Leaderboard

HeyGen: HeyGen is an AI company specializing in video and avatar generation technologies. It recently introduced HeyGen Voice as its first Text-to-Speech model submitted to independent evaluations. The model has achieved the leading position on the Artificial Analysis Controlled Voice TTS Arena Leaderboard, with particular strength in assistant and customer service use cases. Alibaba: Alibaba is a global technology company with extensive artificial intelligence research and product development. Its Qwen-Audio-3.1-TTS-Plus model represents a key offering in advanced speech synthesis. The model currently ranks second on the Controlled Voice TTS Arena Leaderboard. ElevenLabs: ElevenLabs develops specialized AI tools for voice synthesis and cloning. Its Eleven v4 Turbo and Eleven v4 models are established entries in competitive TTS benchmarks. These models occupy the third and fourth positions on the Controlled Voice Arena Leaderboard. SpaceXAI TTS: SpaceXAI TTS is a text-to-speech model recognized for excellence in preserving exact sequences during pronunciation testing. It leads the Pronunciation Robustness benchmark in that specific category on the Artificial Analysis evaluation. The model contributes specialized capabilities in accurate speech reproduction. Eleven v4 Turbo: Eleven v4 Turbo is ElevenLabs' fast text-to-speech model designed for efficient voice generation. It holds the third spot on the Controlled Voice TTS Arena Leaderboard. The model is positioned as a premium option in voice synthesis evaluations. Qwen-Audio-3.1-TTS-Plus: Qwen-Audio-3.1-TTS-Plus is Alibaba's dedicated text-to-speech model optimized for high-fidelity audio output. It ranks second overall on the Artificial Analysis leaderboard while demonstrating competitive results in pronunciation robustness. The model supports strong performance across US and UK English accents. Evaluation Framework: Controlled Voice arenas standardize comparisons by using the same set of cloned voices for all models across US and UK English. Application Strengths: Leading models in the arena show particular advantages in assistants and customer service scenarios, reflecting practical deployment priorities for AI voices. Pronunciation Testing: Robustness benchmarks assess models on challenging text categories including exact sequences, standalone terms, contextually appropriate usage, and shorthand expansion.