Sovereign AI workflows·Operational in 14 markets
NamibiaDeployed

Oshiwambo

The most widely spoken language in Namibia, and the anchor of the Namib AI sovereign deployment.

70.22%
ASR accuracy
29.78%
Word error rate
3.6/5
TTS score
Speed
Coverage

What Oshiwambo supports today

TextAvailable

Understanding and reply in written conversation — the floor every language here has.

Audio messagingAvailable

Speech-to-text and text-to-speech for recorded voice notes, processed in batch, not live.

Voice streamingSoon

Live, real-time speech on a voice call — not yet built for any language.

Benchmarks

Measured against published targets

Measured performance of the deployed ASR and TTS models for Oshiwambo, against Proto's target thresholds. Proto publishes these figures whether or not they clear the target.

ASR · speech-to-text
ASR accuracy
70.22% · Target ≥ 90% · 19.8% under target
Word error rate
29.78% · Target ≤ 10% · 19.8% over target
ASR fallback
8.34% · Target < 5% · 3.3% over target
ASR speed
1.77s · Target < 1s · 0.8s over target
TTS · text-to-speech
TTS mean opinion score
3.6/5 · Target ≥ 4.5 / 5 · 0.9/5 under target
TTS fallback
31.24% · Target < 5% · 26.2% over target
TTS speed
2.37s · Target < 1s · 1.4s over target

Mean opinion score rates the naturalness of synthesised speech on a 1–5 scale. Tests ran on an Azure Standard NC4as T4 v3 instance with an NVIDIA Tesla T4 GPU; the ASR test set used audio samples of 5–10 seconds.

In production

Where Oshiwambo is deployed

Oshiwambo supports the Bank of Namibia, the Communications Regulatory Authority of Namibia and national citizen support, hosted in-country under the Namib AI programme.

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Deploy in Oshiwambo

Our local team will benchmark against your own audio before you commit.