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 2026-09-20 · Samples pending

VoxCPM2

Samples pending

Multilingual speech with voice design and reference conditioning

No samples yet

Permissive model licenseCloningStreaming2B

Added 2026-09-20 · Samples pending

Soprano 1.1

Samples pending

Compact English speech model for low-latency inference

No samples yet

Permissive model licenseStreamingCPU80M

Added 2026-09-20 · Samples pending

GLM-TTS

Samples pending

English and Chinese reference-conditioned speech

No samples yet

Permissive model licenseCloningSee model card

Added 2026-09-20 · Samples pending

Dia2 2B

Samples pending

Streaming English dialogue with audio conditioning

No samples yet

Permissive model licenseCloningStreaming2B

Added 2026-09-20 · Samples pending

AuK

Samples pending

Instruction-guided speech generation and editing

No samples yet

Permissive model licenseCloning1.5B

Added 2026-09-20 · Samples pending

AuK-Flash

Samples pending

Distilled four-step speech generation and editing

No samples yet

Permissive model licenseCloning1.5B

Added 2026-09-14 · Samples pending

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

No samples yet

Permissive model licenseCloningStreaming4B

Added 2026-09-14 · Samples pending

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

No samples yet

Permissive model licenseCloning8B

Added 2026-09-14 · Listen below

MOSS-TTS Nano

Bella reference

Compact CPU speech generation with streaming and voice cloning.

Permissive model licenseCloningStreamingCPU100M

Added 2026-09-14 · Listen below

English voice cloning and expressive speech with a smaller model.

Permissive model licenseCloning350M

Added 2026-09-14 · Listen below

Chatterbox Nano

Bella reference

Compact English speech for CPU and on-device experiments.

Permissive model licenseCloningCPU110M

Added 2026-09-14 · Samples pending

Cross-language voice cloning with the V3 multilingual checkpoint.

No samples yet

Permissive model licenseCloning500M

Added 2026-09-14 · Samples pending

Streaming multilingual synthesis with pronunciation and instruction controls.

No samples yet

Permissive model licenseCloningStreaming500M

Added 2026-09-14 · Listen below

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

Permissive model licenseCloningStreamingCPU100M

Added 2026-09-14 · Samples pending

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

No samples yet

Noncommercial / separate licenseCloningStreaming4B

Added 2026-09-14 · Samples pending

OmniVoice

Default

Voice cloning and voice design across a broad language range.

No samples yet

Noncommercial / separate licenseCloning600M

Added 2026-09-14 · Samples pending

Aligned text and speech generation with multilingual reference prompts.

No samples yet

Commercial conditionsCloning3B base / ~4B total

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