Project AURIONAI Use-Cases Research & Innovation
multimodal LLM

Ultravox v0.5 Llama 3.2 1B

Ultravox v0.5 Llama 3.2 1B, a checkpoint of the Ultravox family. Speech language models that join a Whisper encoder to an open LLM such as Llama through a trained adapter, so the model takes speech and text input directly.

Fixie.ai
Levelvariant
Classmultimodal LLM
Parameters683.12M
Contextnot in the notes
Released6 Feb 2025
Opennessopen weights permissive
Runs onnot in the notes
Statusactive

R&D Topics

Identity

Developer
Fixie.ai
Family
Ultravox
Released
6 Feb 2025 sourcesregistry date
Weights published
–
Record checked
12 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
dense transformer
Total parameters
683.12M sources
Active parameters
–
Checkpoint parameters
–
Note
Parameter count from the safetensors index on Hugging Face.
Context length
not in the notes
Input
text, audio
Output
text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open weights permissive
Licence
MIT License sources
Access routes
open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
not in the notes
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
Thai, Vietnamese
Jakarta hosting
unknown
Languages
Model card lists 42 languages
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Benchmark Results

The notes record no benchmark result for this model.

Lineage

The notes record no lineage for this model.

Industry Use Cases

No industry use case links this model.

Sources

  1. huggingface.co/fixie-ai/ultravox-v0_5-llama-3_2-1b https://huggingface.co/fixie-ai/ultravox-v0_5-llama-3_2-1b
  2. huggingface.co/api/models?pipeline_tag=audio-text-to-text&so... https://huggingface.co/api/models?pipeline_tag=audio-text-to-text&sort=downloads&limit=50

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Ultravox v0.5 Llama 3.2 1B", https://aurion.semai.id/models/fixie-ai-ultravox-v0-5-llama-3-2-1b/, records of October 2026.