Nuance Labs Emma: the Nuplex persona
This free comparison helps developers compare Nuance Labs' Nuplex persona Emma with Tavus and Gemini Live, with no signup.
Emma is Nuance Labs' Nuplex persona, not other Emma products or the Nueplex cinema.
Scroll across to compare all three options.
| Dimension | Nuplex / Nuance LabsEmma (Nuance Labs / Nuplex persona) | TavusPAL | Gemini LiveGoogle Live API |
|---|---|---|---|
| What you see / hear | Real-time face and voice, with audiovisual input. Nuance Labs claims full-duplex interaction. Nuance Labs research, Nov 9, 2026 | Official PAL: real-time face, voice, and visual perception. Tavus official site | Audio, image, and text input; audio output. This does not establish whether all Google products have an avatar. Gemini Live official documentation |
| Persona / access | Emma demo; Nuance Live preview with session tokens, LiveKit, and backend tool delegation. Nuance Labs overview | PAL Maker and self-serve API. Official support for BYO LLM and a knowledge base. Tavus official site | WebSocket with barge-in, tools, and transcription. Gemini Live official documentation |
| Languages | English only, according to Nuance Labs. Nuance Labs research, Nov 9, 2026 | Not verified. The launch page language count was not checked. Tavus official site | Multilingual, according to the official documentation. No language count asserted. Gemini Live official documentation |
| Custom face / voice | No self-serve upload. Customization requires authorization and an arrangement. Nuance Labs research, Nov 9, 2026 | Custom face and voice details not verified this round. Check the official site for current options and terms. Tavus official site | Outside this page's scope. Face and voice cloning paths were not checked this round. Gemini Live official documentation |
| Use-case limits | Adults only. Medical and minor-related use cases are not open in beta. Regional availability is limited. Nuance Labs research, Nov 9, 2026 | Use the official PAL capability descriptions. No additional compliance or price guarantees are made here. Tavus official site | Use the official feature and access documentation. This page makes no regulatory guarantees. Gemini Live official documentation |
| Price | No published calculable price Nuance Labs credits and capacity | Not checked this round Tavus official site | Not checked this round Gemini Live official documentation |
Sources checked Nov 10, 2026. Official sources describe capabilities, not an independent head-to-head evaluation.
How to read this comparison
Select every requirement you need. A confirmed match meets all selected filters in the sources checked for this page. Unknown means not confirmed, not a proven absence. All three options remain visible.
For Nuance Labs' Nuplex, Emma (Nuance Labs / Nuplex persona) is the public demo and Nuance Live is a preview access path. That distinction does not establish BYO LLM support. Nuance Labs overview
No published calculable Nuplex price was found in the verified sources. Session lifecycle numbers and usage examples are not a public rate. Nuance Labs credits and capacity
This page does not connect to a vendor API or collect keys, faces, or voices.
Frequently asked questions
What does Nuplex mean on this page?
Nuplex means Nuance Labs' audiovisual model on this page. It is not the Nueplex cinema. Nuance Labs research, Nov 9, 2026
Who is Emma (Nuance Labs / Nuplex persona)?
Emma is the first Nuplex persona introduced by Nuance Labs. This page does not describe other products named Emma. Nuance Labs research, Nov 9, 2026
Is this comparison free?
This comparison is free and needs no signup. That describes this independent page, not the vendors' plans or quotas.
Does Nuplex have a visible persona?
Yes, Nuance Labs describes real-time face and voice with audiovisual input. Full-duplex interaction is an official vendor claim, not an independent evaluation here. Nuance Labs research, Nov 9, 2026
Does Tavus support my own LLM?
Yes, Tavus lists BYO LLM and knowledge base support. This page does not extend that claim to every possible integration or contract. Tavus official site
Does Gemini Live lack an avatar?
The cited Live API page does not confirm a visible persona for this filter. Its audio, image, and text input and audio output do not establish a claim about every Google product. Gemini Live official documentation
Which options support more than one language?
Gemini Live has documented multilingual support. Nuance Labs states English only for Emma (Nuance Labs / Nuplex persona); Tavus' language count was not verified this round. Gemini Live official documentation Nuance Labs research, Nov 9, 2026 Tavus official site
Can I bring my own LLM to Nuplex?
BYO LLM is not confirmed in the verified Nuance Labs sources. Session tokens, LiveKit, and backend tool delegation alone do not establish it. Nuance Labs overview
Can I try Nuplex without an account?
Nuance Labs' blog says you can try Emma (Nuance Labs / Nuplex persona) without an account. This does not confirm unlimited free use, a quota, or a successful trial tested by this page. Nuance Labs research, Nov 9, 2026
Can this page calculate a Nuplex price?
No, this page cannot calculate a Nuplex price from the verified public information. No published calculable price was found; session lifecycle durations and schema examples are not rates. Nuance Labs credits and capacity
Can I upload my face or voice here?
No, this page accepts no face or voice uploads. Nuance Labs' documented customization is not a self-serve upload path and requires authorization and an arrangement. Nuance Labs research, Nov 9, 2026
Is Nuplex available for every use case?
No, the cited Nuance Labs beta is limited to adults and excludes medical and minor-related use cases. Regional availability is also limited. Nuance Labs research, Nov 9, 2026
What does an unknown filter result mean?
An unknown result means the cited sources do not confirm that requirement. It is not a confirmed absence of the capability, and all three product columns stay visible.
How do multiple filters work?
A product is a confirmed match only when every selected requirement is verified as a match. A verified non-match takes precedence; otherwise an unconfirmed requirement keeps the product unknown.