Kotoba STT v1

Kotoba TTS v2

Japanese speech synthesis with male-01 and female-01 preset voices. Returns completed 24 kHz mono WAV audio. Billed by exact UTF-8 bytes, not characters. NanoGPT accepts up to 12,000 input bytes.

Mureka Speech

Generate speech from up to 500 characters with five preset voices or an uploaded voice sample.

ByteDance Seed Speech TTS 2.0

ByteDance Seed Speech TTS 2.0 for natural multilingual speech with voice instructions and delivery controls.

Grok Speech-to-Text

SpaceXAI speech-to-text on fal with diarization, word-level timestamps, and multichannel audio support

MiniMax Speech 2.8 HD

Studio-quality HD text-to-speech with expressive delivery, emotion control, pronunciation customization, and fine-grained audio controls for production-ready speech.

MiniMax Speech 2.8 Turbo

Fast, cost-effective MiniMax 2.8 text-to-speech with expressive voices, emotion control, pronunciation customization, and full audio output controls.