All models
dialogue

Dia2 2B

Apache-2.0

Streaming English dialogue with audio conditioning

Evaluate short two-speaker English dialogue. The model card limits generation to two minutes. Codec and other third-party licenses remain applicable. No OpenSpeech benchmark or hosted integration yet.

Hear Dia2 2B

Standardized samples are pending for this release. See the official sources below for the author’s demo.

Dia2 2B · Samples pending · Same three scripts across the directory.

Run it yourself

Best for: Evaluate short two-speaker English dialogue.

Permissive model license: The model card limits generation to two minutes. Codec and other third-party licenses remain applicable. No OpenSpeech benchmark or hosted integration yet.

Code: Apache-2.0. Weights: Apache-2.0. License sources checked 2026-09-20. Source 1Source 2

Before you choose: The model card limits generation to two minutes. Codec and other third-party licenses remain applicable. No OpenSpeech benchmark or hosted integration yet.

No OpenSpeech hardware benchmark yet; follow the checkpoint documentation.

Details reviewed 2026-09-20. Hardware figures are estimates unless a benchmark is linked.

Compare with similar

Compare all →
DiaListen side-by-side →Sesame CSM-1BListen side-by-side →XTTS v2Listen side-by-side →

Choose an alternative to hear both models together.

No samples yet

Every model in this directory is read against the same three scripts so voices can be compared honestly — Dia2 2B’s samples just haven’t been generated yet.

Contribute samples on GitHub →

Run Dia2 2B

git clone https://github.com/nari-labs/dia2.git

Sources & setup details

Dia2 2B FAQ

Do I need a GPU to run Dia2 2B?

We have not verified a hardware requirement for this release. Follow the official setup instructions.

Can Dia2 2B clone voices?

Yes — Dia2 2B supports voice cloning from reference audio.

What license is Dia2 2B released under?

Dia2 2B is released under the Apache-2.0 license. Always check the repository for the exact terms — some models license code and weights separately.

What languages does Dia2 2B support?

Dia2 2B supports English.

Is there a hosted Dia2 2B API?

OpenSpeech Cloud is accepting production-access interest for Dia2 2B, but this model is not currently hosted in Cloud. Use the official repository for current deployment options.