Text-to-Speech
Benchmarks
XYNaturalness
higher is betterfield averagetied with bestQwenqwen3-tts-flashTry →1310Paxatts-flash-v1Try →1325Humeoctave-2Try →1377MiniMaxspeech-2.8-turboTry →1385Qwenaudio-3.1-tts-plusTry →1402HopperQwen3-TTS1406MiniMaxspeech-2.6-turboTry →1408MistralVoxtral Mini TTS 31411Out of SetAiry TTS1416OpenAIgpt-4o-mini-ttsTry →1424Rimemistv3Try →1428Rimearcanav3Try →1429MiniMaxspeech-2.8-hdTry →1431Smallestlightning_v3.1_proTry →1447MiniMaxspeech-2.6-hdTry →1450Humeoctave-1Try →1455ElevenLabseleven_turbo_v2_5Try →1466ElevenLabseleven_multilingual_v2Try →1472Paxatts-flash-v2Try →1490ElevenLabseleven_turbo_v2Try →1492ElevenLabseleven_flash_v2_5Try →1494xAI GrokttsTry →1495Inworldtts-2-flashTry →1501ElevenLabseleven_flash_v2Try →1507NariQwen3-TTSTry →1510Palabratts-v1Try →1520RimecodaTry →1535NariQwen3-TTS FastTry →1536Smallestlightning_v3.1Try →1544DeepgramfluxTry →1550Cartesiasonic-3Try →1551Speechifysimba-3.5Try →1560Inworldtts-2Try →1561Fish Audios2.1-proTry →1566Sonioxtts-rt-v11569Speechifysimba-3.2Try →1573Cartesiasonic-3.5Try →1574BlandspeechTry →1577Cartesiasonic-3.6Try →1578Deepgramaura-2Try →1584ElevenLabseleven_v3_conversationalTry →1590Gemini3.1-flash-tts-previewTry →1591GradiumTTSTry →1592Sonioxtts-rt-v2Try →1606Gemini3.8-flash-lite-ttsTry →1639Gemini3.8-flash-ttsTry →1642ElevenLabseleven_v4_turboTry →1670ElevenLabseleven_v4Try →1708
130014001500160017001800
Time to first audio
Region0ms300ms600ms900ms1.20s
p50 p90
Robustness
higher is betterWhether the voice says the right words for a number, date, currency amount or operator — a different question from drift, which is whether it sounds like itself across repeats.
0.000.250.500.751.00
Cost
lower is betterWhat a vendor charges to synthesize a million characters of text, at its published list rate.
Out of SetAiry TTSMaya2 NativeNariQwen3-TTSHopperQwen3-TTSPaxatts-flash-v2Paxatts-flash-v1Gemini3.8-flash-lite-ttsNariQwen3-TTS FastQwenqwen3-tts-flashSpeechifysimba-3.2Palabratts-v1MistralVoxtral Mini TTS 3Sonioxtts-rt-v2Sonioxtts-rt-v1Gemini3.8-flash-ttsInworldtts-2-flashxAI GrokttsFish Audios2.1-proSmallestlightning_v3.1Smallestlightning_v3.1_proSpeechifysimba-3.5OpenAIgpt-4o-mini-ttsInworldtts-2 (reasoning)Inworldtts-2Qwenaudio-3.1-tts-plusRimemistv3Deepgramaura-2Gemini3.1-flash-tts-previewBlandspeechElevenLabseleven_v4_turboRimearcanav3DeepgramfluxRimecodaElevenLabseleven_flash_v2ElevenLabseleven_flash_v2_5ElevenLabseleven_turbo_v2ElevenLabseleven_turbo_v2_5Cartesiasonic-3Cartesiasonic-3.6ElevenLabseleven_v3_conversationalCartesiasonic-3.5GradiumTTSMiniMaxspeech-2.8-turboMiniMaxspeech-2.6-turboElevenLabseleven_v4ElevenLabseleven_multilingual_v2Humeoctave-1MiniMaxspeech-2.6-hdHumeoctave-2MiniMaxspeech-2.8-hd