AssemblyAI Universal 3.5 Pro

AssemblyAI's best: who said what (speaker labels), timings, about 100 languages. By AssemblyAI, on GridPup at $0.0046 per minute of audio ($0.28 an hour), paid from your GridPup balance per request. No subscription.

Try it in the Playground Get an API key

Price

Made by: AssemblyAI
Price: $0.0046 per minute, $0.28 per hour
Can: Labels who said what, Timed subtitles
Files: Up to 25 MB

What it costs, roughly
A 30-minute meeting	$0.14
100 hours of audio	$27.53

Use it from your code

GridPup's API speaks OpenAI's format: use any OpenAI SDK with the base URL https://api.gridpup.com/v1/ai and a GridPup API key with Also use AI models. The answer tells you what it cost. More in the API docs.

from openai import OpenAI

client = OpenAI(base_url="https://api.gridpup.com/v1/ai", api_key="gp_live_…")

with open("meeting.mp3", "rb") as f:
    r = client.audio.transcriptions.create(
        model="assemblyai/universal-3.5-pro",
        file=f,
    )
print(r.text)

Questions

How much does AssemblyAI Universal 3.5 Pro cost?: $0.0046 per minute of audio ($0.28 an hour), charged per request from your prepaid balance. You need a small balance to start ($1 for most models); there is no monthly fee.
Who runs it?: AssemblyAI made AssemblyAI Universal 3.5 Pro. GridPup serves it through Cloudflare's AI Gateway, so you use it with one GridPup balance instead of an account with AssemblyAI.
Does it work with the OpenAI SDK?: Yes: set base_url to https://api.gridpup.com/v1/ai and the model to assemblyai/universal-3.5-pro.

Similar speech to text models

Whisper large v3 turboOpenAI$0.00062 per minute of audio ($0.037 an hour)
OpenAI WhisperOpenAI$0.0072 per minute of audio ($0.43 an hour)
OpenAI gpt-4o-transcribeOpenAI$0.0072 per minute of audio ($0.43 an hour)

All speech to text models and prices

Loading…