Deepgram Nova-3 $0.0048 current vs $0.0077 regular vs Sume STT

Deepgram's pricing page labels Nova-3 monolingual streaming at a current price of $0.0048 per minute beside a regular price of $0.0077, and multilingual at $0.0058 against $0.0092. Flux English streaming is $0.0065 current against $0.0077. These are streaming rates. Sume STT 1.0 is $0.01 per audio minute for recorded files only, so the two are not a like-for-like comparison.

Deepgram's listed streaming rates

Deepgram also lists a $200 free credit at signup, then pay-as-you-go with no minimums or expiry.

The Sume file job

Send a public HTTPS audio_url; get back text and word timings. The job is billed from the duration_seconds hint (1 to 600, default one minute).

import os, requests

r = requests.post(
    "https://api.sume.com/v1/stt-1.0/transcribe",
    headers={"Authorization": f"Bearer {os.environ['SUME_API_KEY']}",
             "Idempotency-Key": "stt-demo-001"},
    json={"audio_url": "https://example.com/call.mp3",
          "language_code": "en",
          "duration_seconds": 300},
)
print(r.status_code, r.json())

Which one

For live audio, Deepgram's streaming rates are cheaper and are built for that use. For recordings that feed Sume captions or dubbing steps, Sume STT keeps the transcript in one place. The page does not say how long the current price lasts, so read it again before you budget.

Worked example

Here is what 100 hours of streaming costs at each listed rate.

• Nova-3 monolingual current: 6,000 minutes at $0.0048 is $28.80.
• Nova-3 monolingual regular: 6,000 minutes at $0.0077 is $46.20.
• Sume STT for the same hours of recordings: $60.00.

Checklist before you commit

The page does not state how long the current price lasts. Treat the regular price as the safe budget figure.

• Decide streaming or file.
• Check which languages are on the multilingual rate.
• Note the $200 free credit for tests.