Soniox alternative: Avencera vs Soniox
At 100 hours a month with speaker labels, Soniox Async costs 1.2× as much as Avencera. Soniox is more accurate on the one published result that covers both, so the choice comes down to price against accuracy.
At a glance
Soniox bills its async model by tokens, which works out close to Avencera’s price per hour, with speaker labels included. It covers 60+ languages and scores well on independent tests.
| Feature | Avencera | Soniox |
|---|---|---|
| Transcript, at 100 hours a month | $0.06 an hour | Async: $0.098 an hour (1.6×) |
| With speaker labels, at 100 hours a month | $0.08 an hour | Async: $0.098 an hour (1.2×) |
| Speaker labels | Included in the speaker transcript price | Async: included |
| Billing | Prepaid credit, no subscription | Async: pay as you go |
| Real-time streaming | No, recorded audio only | Yes |
| Languages | English with Parakeet v2, 25 European languages with v3 | 60+ languages |
| Longest file | 24 hours of audio per request | 300 minutes per file |
| API | OpenAI-compatible | Soniox’s own |
Multiples in brackets compare with Avencera’s cheapest offer at the same volume.
Price with speaker labels
| Audio a month | Avencera | Soniox Async |
|---|---|---|
| 10 hours | $0.80 | $0.98 1.2× |
| 100 hours | $8.00 | $9.75 1.2× |
| 1,000 hours | $80.00 | $97.50 1.2× |
| 10,000 hours | $800.00 | $975.00 1.2× |
Monthly list prices for recorded audio with speaker labels, before free credit, discounts or contracts. Each plan uses whichever of its options costs least at that volume. See every provider at any volume on the pricing page.
Accuracy
Soniox is more accurate on the one published result that covers both, so the choice comes down to price against accuracy.
| Benchmark | Avencera | Soniox | Lower error |
|---|---|---|---|
| Artificial Analysis Word error rate, measured on each provider’s own API | 4.5% Parakeet v3 | 3.8% Async v5 | Soniox |
Lower is better, and results within 0.1 points count as level. Artificial Analysis tests Parakeet v3 as hosted by Together AI. These results don’t test the Avencera API itself, which opens soon.
Which to choose
Choose Soniox if
- Accuracy matters most. Async v5 scores 3.8% on the Artificial Analysis, against 4.5% for Parakeet v3.
- You need real-time streaming. Soniox offers it; Avencera transcribes recorded audio only.
- You need more languages. Soniox lists 60+ languages.
- You need an API today. Avencera opens soon.
Choose Avencera if
- You want the lower bill. Soniox Async costs 1.2× as much at 100 hours a month with speaker labels.
- You want prepaid credit with no subscription, no minimum and no expiry.
- You want a fixed price per hour of audio. Soniox bills by tokens, so the cost of an hour depends on how much is said in it.
- Your audio stays yours. Avencera deletes it once the transcript is ready and never trains on it.
Switching to Avencera
Avencera serves OpenAI’s transcription API, so the official OpenAI SDKs work with a new base URL and model name.
from openai import OpenAI
client = OpenAI(base_url="https://api.avencera.com/v1", api_key="YOUR_AVENCERA_KEY")
with open("meeting.mp3", "rb") as audio:
transcript = client.audio.transcriptions.create(
model="avencera/speaker-transcript-v2",
file=audio,
)Questions
- Is Avencera cheaper than Soniox?
- Yes. Avencera transcribes from $0.06 an hour, or $0.08 with speaker labels. At 100 hours a month with speaker labels, Soniox Async costs $9.75 against $8.00 at Avencera, 1.2× as much.
- Is Avencera more accurate than Soniox?
- Soniox is more accurate on the one published result that covers both, so the choice comes down to price against accuracy. Async v5 scores 3.8% on the Artificial Analysis, against 4.5% for Parakeet v3.
- Is Soniox cheaper than Avencera?
- Close, but no. Soniox’s token billing comes to about the hourly price shown here for typical speech, a little above Avencera’s cheapest speaker transcript.
- How do I switch from Soniox to Avencera?
- Avencera uses OpenAI’s transcription API format, so any OpenAI SDK works. Send the same audio files you send Soniox, and map its response fields to the OpenAI-style transcript.
Sources
Vendor prices and features from each vendor’s own pages, checked October 23, 2026. Benchmark results as of October 23, 2026 for the Artificial Analysis speech-to-text.
Get an email when it opens
The API isn’t open yet. We’ll email you when you can create a key.