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NVIDIA: Parakeet TDT 0.6B v3

Parakeet TDT 0.6B v3 is NVIDIA's 600M-parameter multilingual speech-to-text model built on the FastConformer-TDT architecture. Priced at $0.0015 per minute. 0 token context window.

View source on OpenRouter
Overview

Model specifications

Context
Not provided
Maximum output
Not provided
Architecture
audio->transcription
Tokenizer
Other
Knowledge cutoff
Not provided
Moderated
No
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Audio Minutes
$0.0015
/minute
API

Quick start

Call this exact model ID through OpenRouter’s OpenAI-compatible API.

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"nvidia/parakeet-tdt-0.6b-v3","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

Input → Output

Input
audio
Output
transcription
API

Supported API parameters

frequency_penaltylogit_biasmax_tokensmin_ppresence_penaltyrepetition_penaltystoptemperaturetop_ktop_p
Available providers

1 Provider

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

Together

unknown
Context
Not provided
Maximum output
Not provided
Input
$1500.00
Output
Free
Cache read
Not provided
Cache write
Not provided
nvidia

models

All models
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NVIDIA: Nemotron 3.5 ASR Streaming Multilingual 0.6B

Nemotron 3.5 ASR Streaming Multilingual 0.6B is a speech recognition model from NVIDIA. Its prompt-conditioned, cache-aware FastConformer-RNNT design targets low-latency transcription across more than 40 languages for real-time captioning, voice...

Context
Not provided
Input
audio
Output
transcription
Input: $3.33Output: Freeper 1M tokens
View model details →
nvidia logonvidia

NVIDIA: Nemotron 3.5 Lightning

NVIDIA Nemotron 3.5 Lightning is an open mixture-of-experts model from NVIDIA, with 3B active parameters out of 30B total. It is suited for high-throughput agentic workloads and specialized tasks that...

Context
262K
Input
text
Output
text
Input: $0.080Output: $0.200per 1M tokens
View model details →
nvidia logonvidia

NVIDIA: Nemotron 3.5 Lightning (free)

NVIDIA Nemotron 3.5 Lightning is an open mixture-of-experts model from NVIDIA, with 3B active parameters out of 30B total. It is suited for high-throughput agentic workloads and specialized tasks that...

Context
1M
Input
text
Output
text
Input: FreeOutput: Freeper 1M tokens
View model details →
nvidia logonvidia

NVIDIA: Nemotron 3 Embed 1B (free)

NVIDIA Nemotron 3 Embed 1B is an open text embedding model from NVIDIA, optimized for high-throughput, low-latency retrieval. It is suited for enterprise search, RAG, code retrieval, and agentic retrieval...

Context
33K
Input
text
Output
embeddings
Input: FreeOutput: Freeper 1M tokens
View model details →