Smallest.aiReleased Jul 13
Lightning V3.1 Pro (Jul 2026)
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HithinkReleased Jul 5
Speech 2.6
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SpeechifyAIReleased Jul 1
Simba 3.2
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VUI LabsReleased Jun 18
Luna TTS
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KugelAudioReleased Jun 6
Kugel 3
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nvidiaListed May 27
NVIDIA: Parakeet TDT 0.6B v3
Parakeet TDT 0.6B v3 is NVIDIA's 600M-parameter multilingual speech-to-text model built on the FastConformer-TDT architecture. Trained on the Granary dataset (670,000+ hours of audio), it supports automatic…
0.6BAudio inputTranscription
asyncReleased May 25
Async Flash v1.5
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asyncReleased May 25
Async Pro v1.0
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RimeReleased May 19
Coda
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OpenAIReleased May 7
GPT-Realtime-2
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CartesiaReleased May 4
Sonic 3.5
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GoogleReleased Apr 15
Gemini 3.1 Flash TTS
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KraftonReleased Apr 8
Raon SpeechLM
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MicrosoftReleased Apr 2
MAI-Voice-1
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MicrosoftReleased Mar 30
Azure HD 2.5
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Smallest.aiReleased Mar 24
Lightning v3.1
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SpaceXAIReleased Mar 16
SpaceXAI TTS
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fish-audioReleased Mar 10
Fish Audio: S2 Pro
S2 Pro is a multilingual text-to-speech model from Fish Audio. It is suited for expressive narration and multi-speaker dialogue, with natural-language controls for speaking style and emotion.
Open weights
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SpeechifyAIReleased Feb 19
Simba 3.0
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fal-aiReleased Feb 14
MiniMax Speech 2.8 [HD]
Use timed pause tags, a custom pronunciation dictionary, and separate pitch, energy and timbre controls for narration.
fal-aiReleased Feb 14
MiniMax Speech 2.8 [Turbo]
Generate speech from text prompts and different voices using the MiniMax Speech-2.8 Turbo model, which leverages advanced AI techniques to create high-quality text-to-speech.