Explore models.
Mirelo SFX2.0
Generates sound effects with explicit unwanted-sound prompts, duration control and multiple seeded variations per request.
Kotoba Text-to-Speech
Streams Japanese speech over its own WebSocket protocol so playback can begin before the full utterance is generated.
Kotoba Realtime Speech-to-Text
Live transcription over WebSocket, with partial results as the speaker talks.
Kotoba Realtime Speech Translation
Streams translated text and 24 kHz speech together over WebSocket, including Japanese–English and Korean–English pairs.
Fish Audio S2.1 Pro (Oct 2026)
HeyGen: HeyGen Voice
HeyGen Voice is a text-to-speech model from HeyGen. It comes with 10 default voices, or bring your own HeyGen key to use voice clones from your own account. It streams...
HeyGen: HeyGen Voice Turbo
HeyGen Voice Turbo is a lower-latency version of HeyGen Voice, HeyGen's text-to-speech model. It has the same 10 default voices, or bring your own HeyGen key to use voice clones...
Fish Audio: Drama 3
Drama 3 is a text-to-speech model from Fish Audio built for directed voice performances. You write the direction in plain language in square brackets before a line, such as `[nervous,...
Kotoba Speech-to-Text
Transcribes clips up to two minutes with optional word timings and speaker labels; includes Japanese and Chinese variants.
ElevenLabs: Eleven Turbo v2
Eleven Turbo v2 is an English-only, low-latency text-to-speech model from ElevenLabs. It is suited for developer use cases where speed matters and only English is needed, and has a 30,000-character...
ElevenLabs: Eleven Flash v2
Eleven Flash v2 is an English-only, ultra-low-latency text-to-speech model from ElevenLabs. It is suited for conversational and real-time English use cases, and has a 30,000-character request limit.
Microsoft AI: MAI-Voice-2.1-Flash
MAI-Voice-2.1-Flash is a low-latency text-to-speech model from Microsoft AI, optimized for real-time responsiveness. It produces natural, expressive speech across 23 languages, with human-like intonation,…
Microsoft AI: MAI-Voice-2.1
MAI-Voice-2.1 is Microsoft AI's highest-fidelity, most expressive text-to-speech model. It produces natural, studio-grade speech across 23 languages, with detailed prosody, nuanced expressiveness, and…
ElevenLabs: Eleven v4
Directs speech with inline emotion tags and IPA pronunciation; supports streaming and adjustable voice stability.
ElevenLabs: Eleven v4 Turbo
Supports inline performance tags and IPA pronunciation; stability and voice-similarity controls tune delivery.
ByteDance Seed: Seed Audio 1.0
Seed Audio 1.0 is ByteDance Seed's non-streaming audio generation model. It produces speech and other audio from a natural-language text prompt that can describe the desired voice, tone, and sound...
Nemotron-3-Diarization
Nemotron 3 Diarization is an open-weight streaming Sortformer model, engineered for low-latency speaker diarization across up to 8 speakers, ordered by arrival time. It powers meeting transcription, call…
Qwen-Audio-3.1-TTS-Plus
Google: Gemini 3.8 Flash Lite TTS
Separate spoken text from delivery instructions, or script a two-voice dialogue with per-turn style overrides.
Google: Gemini 3.8 Flash TTS
Separates spoken text from delivery instructions; supports exactly two named speakers with ordered dialogue turns.
AssemblyAI: Universal-3.5 Pro
Universal-3.5 Pro is AssemblyAI's speech-to-text model served through its Sync API, returning a complete transcript with word-level timestamps in a single synchronous response for audio up to 20 minutes. It...