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Voice Leaderboards

Live rankings for text-to-speech (TTS Arena Elo from human pairwise votes) and speech-to-text (Open ASR Leaderboard WER on LibriSpeech + Common Voice + AMI + GigaSpeech). Companion to /multimodal which is the pricing + spec catalog.

Machine-readable JSON/api/voice-leaderboards

For agents: same data at /api/voice-leaderboards. Free, cached 30 min.