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Comparison of SpaceXAI: Grok Voice TTS 1.0, bosonai/higgs-audio-v3-stt
2 modelsx-aiSpaceXAI: Grok Voice TTS 1.0Remove ×bosonaibosonai/higgs-audio-v3-sttRemove ×
What’s differentGrok Voice TTS 1.0 is a text-to-speech model from SpaceXAI. It converts text into spoken audio across 20+ languages with automatic language detection, and offers five built-in voices (Eve, Ara,...2.68B parameters · 1 language · Encoder: Whisper · Decoder: Qwen3
DateMay 15, 2026ListedOct 17, 2026Discovered
Listed rateSee provider quotesSee provider quotes
Provider endpoints0 endpoints →0 endpoints →
AMI-Cleaned WER ↗English short-form; normalization unversionedNot reported7.19% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry
Earnings22-Cleaned-AA-chunked WER ↗English short-form; normalization unversionedNot reported7.04% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry
Gigaspeech-Cleaned WER ↗English short-form; normalization unversionedNot reported7.45% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry
LS Clean WER ↗English short-form; normalization unversionedNot reported1.08% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry
LS Other WER ↗English short-form; normalization unversionedNot reported2.61% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry
SPGISpeech WER ↗English short-form; normalization unversionedNot reported2.07% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry
URGENT2024 WER ↗English short-form; normalization unversionedNot reported11.88% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry
Voice Arena Monsoon WER ↗English short-form; normalization unversionedNot reported3.97% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry
Voxpopuli-AA-Cleaned WER ↗English short-form; normalization unversionedNot reported3.73% WER ↗bosonai/higgs-audio-v3-sttLeaderboard entry
Context window15K—
Max output13.5K—
Parameters—2.68B
Audio inputNot reportedSupported
TranscriptionNot reportedSupported

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