{
  "publisher": "SpeechifyAI",
  "provenance": "SpeechifyAI's manually reviewed factual snapshot of the public Artificial Analysis leaderboard. This is not an official Artificial Analysis export or a new independent evaluation.",
  "capturedOn": "2026-09-20",
  "date": "20 Sep 2026",
  "sourceUrl": "https://artificialanalysis.ai/text-to-speech/leaderboard/provider-voice?accent=en-us",
  "methodologyUrl": "https://artificialanalysis.ai/methodology/text-to-speech",
  "scope": "US-accent provider voices",
  "selection": "The first five rows form the reviewed comparison cohort. The final two are selected alternatives outside that cohort.",
  "uncertainty": "ci is the half-width of the 95% Elo confidence interval. Intervals overlap, so this benchmark does not establish a guaranteed quality advantage. The source's provisional labels are preserved.",
  "priceUnit": "USD per 1M characters, Artificial Analysis-normalized estimate, not a provider billable rate or total invoice",
  "pricingMethod": "For subscriptions, Artificial Analysis uses the lowest-cost annual plan covering at least 1M characters, assuming 80% usage. It normalizes duration, token and inference pricing. Compare provider subscription fees and usage terms separately.",
  "simbaSamples": 1350,
  "rows": [
    { "provider": "Cartesia", "model": "Sonic 3.6", "score": 1327, "ci": 22, "price": 49, "ours": false },
    { "provider": "Alibaba", "model": "Qwen-Audio-3.0-TTS-Plus", "score": 1291, "ci": 21, "price": 27.6, "ours": false, "provisional": true },
    { "provider": "SpeechifyAI", "model": "Simba 3.2", "score": 1276, "ci": 18, "price": 6.6, "ours": true },
    { "provider": "Inworld", "model": "Realtime TTS-2", "score": 1271, "ci": 23, "price": 20.8, "ours": false, "provisional": true },
    { "provider": "VUI Labs", "model": "Luna TTS", "score": 1269, "ci": 17, "price": 80, "ours": false },
    { "provider": "ElevenLabs", "model": "v3 Conversational", "score": 1242, "ci": 20, "price": 50, "ours": false },
    { "provider": "Gradium", "model": "Gradium TTS (Aug 2026)", "score": 1202, "ci": 19, "price": 47.2, "ours": false, "provisional": true }
  ]
}
