NVIDIA: Nemotron 3.5 Transcribe vs OpenAI: Whisper Large V3
A side-by-side comparison of NVIDIA: Nemotron 3.5 Transcribe ($0.00350 / minute) and OpenAI: Whisper Large V3 ($0.00158 / minute) using current USD prices and capabilities from the api14 catalog. Both run through the same OpenAI-compatible API.
Specifications
| NVIDIA: Nemotron 3.5 Transcribe | OpenAI: Whisper Large V3 | |
|---|---|---|
| Provider | NVIDIA | OpenAI |
| Audio | $0.00350 / minute | $0.00158 / minute |
| Context window | - | - |
| Max output | - | - |
| Input | audio | audio |
| Output | transcription | transcription |
| Tool calling | ||
| Structured output | ||
| Reasoning control | ||
| Added | Oct 29, 2026 | May 1, 2026 |
Key differences
- OpenAI: Whisper Large V3 is 55% cheaper on input tokens.
Switch with one string
Both models use the same endpoint and request shape. Change the model value from "nvidia/nemotron-3.5-transcribe" to "openai/whisper-large-v3" and prompts, streaming and tools keep working.
import fs from "node:fs";
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api14.com/api/v1",
apiKey: process.env.API14_API_KEY,
});
const result = await client.audio.transcriptions.create({
model: "openai/whisper-large-v3",
file: fs.createReadStream("audio.mp3"),
});
console.log(result.text);
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