nvidia
NVIDIA: Nemotron 3 Ultra
NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...
Context
1M tokens
Input / 1M tokens
$0.50
Output / 1M tokens
$2.20
Benchmark
—
Pricing
Input tokens$0.50 per 1M tokens
Output tokens$2.20 per 1M tokens
Cache read$0.10 per 1M tokens
Technical details
Model IDnvidia/nemotron-3-ultra-550b-a55b
Context window1M tokens
Input modalitiestext
Output modalitiestext
TokenizerOther
Max output tokens16,384
Use with MegaBrain
import OpenAI from 'openai'
const client = new OpenAI({
baseURL: 'https://getmegabrain.com/api/gateway/v1',
apiKey: process.env.MEGABRAIN_API_KEY,
})
const response = await client.chat.completions.create({
model: 'nvidia/nemotron-3-ultra-550b-a55b',
messages: [{ role: 'user', content: 'Hello!' }],
})Ready to use NVIDIA: Nemotron 3 Ultra?
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