New to OpenSpeech

Recent TTS releases and models newly added to the directory. Compare versions, check the license, and find the setup that fits your project.

Added dates describe this directory, not the original release date. Source details were reviewed on the dates shown. New recordings are labeled separately from older checkpoints.

Added 2026-09-14 · Samples pending

48 kHz stereo speech and cloning with the Local Transformer v1.5 architecture.

No samples yet

CommercialCloningStreaming4B

Added 2026-09-14 · Samples pending

Long-form multilingual narration with cloning and explicit pause controls.

No samples yet

CommercialCloning8B

Added 2026-09-14 · Listen below

MOSS-TTS Nano

Bella reference

Compact CPU speech generation with streaming and voice cloning.

CloningStreamingCPU100M

Added 2026-09-14 · Listen below

English voice cloning and expressive speech with a smaller model.

CommercialCloning350M

Added 2026-09-14 · Listen below

Chatterbox Nano

Bella reference

Compact English speech for CPU and on-device experiments.

CommercialCloningCPU110M

Added 2026-09-14 · Samples pending

Cross-language voice cloning with the V3 multilingual checkpoint.

No samples yet

CommercialCloning500M

Added 2026-09-14 · Samples pending

Streaming multilingual synthesis with pronunciation and instruction controls.

No samples yet

CommercialCloningStreaming500M

Added 2026-09-14 · Listen below

CPU speech generation, streaming, and voice cloning in a small model.

CommercialCloningStreamingCPU100M

Added 2026-09-14 · Samples pending

Expressive multilingual speech with inline emotion control and multi-speaker support.

No samples yet

CloningStreaming4B

Added 2026-09-14 · Samples pending

OmniVoice

Default

Voice cloning and voice design across a broad language range.

No samples yet

Cloning600M

Added 2026-09-14 · Samples pending

Aligned text and speech generation with multilingual reference prompts.

No samples yet

Cloning3B base / ~4B total

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