Is Avencera cheaper than AssemblyAI?

Yes. Avencera transcribes from $0.06 an hour, or $0.08 with speaker labels. At 100 hours a month with speaker labels, AssemblyAI Universal-2 costs $17.00 against $8.00 at Avencera, 2.1× as much.

Is Avencera more accurate than AssemblyAI?

Across 4 published results, Avencera is ahead on 1 and behind on 3. Universal-3.5 Pro scores 5.39% on the Open ASR Leaderboard, English, against 6.02% for Parakeet v2. Universal-3.5 Pro scores 6.05% on the Open ASR Leaderboard, earnings calls, against 5.85% for Parakeet v3. Universal-3 Pro scores 10.35% on the Open ASR Leaderboard, long-form, against 13.37% for Parakeet v3. Universal-3.5 Pro scores 3.0% on the Artificial Analysis, against 4.5% for Parakeet v3.

Which AssemblyAI model is closest to Avencera?

Universal-2 is the closer match on price; Universal-3.5 Pro is the closer match on accuracy, and it beats Parakeet on most of the benchmarks below. Avencera costs less than either.

How do I switch from AssemblyAI to Avencera?

Avencera uses OpenAI’s transcription API format, so any OpenAI SDK works. Send the same audio files you send AssemblyAI, and map its response fields to the OpenAI-style transcript.

AssemblyAI alternative: Avencera vs AssemblyAI

At 100 hours a month with speaker labels, AssemblyAI Universal-2 costs 2.1× as much as Avencera. Across 4 published results, Avencera is ahead on 1 and behind on 3.

By Praveen Perera. Prices and features checked October 23, 2026.

At a glance

AssemblyAI sells two families of pre-recorded models: Universal-2, which covers 99 languages, and the more accurate Universal-3.5 Pro, which covers 18. Speaker labels are a paid add-on to either.

Feature	Avencera	AssemblyAI
Transcript, at 100 hours a month	$0.06 an hour	Universal-2: $0.15 an hour (2.5×)Universal-3.5 Pro: $0.21 an hour (3.5×)
With speaker labels, at 100 hours a month	$0.08 an hour	Universal-2: $0.17 an hour (2.1×)Universal-3.5 Pro: $0.23 an hour (2.8×)
Speaker labels	Included in the speaker transcript price	Universal-2: $0.02 an hour extraUniversal-3.5 Pro: $0.02 an hour extra
Billing	Prepaid credit, no subscription	Universal-2: pay as you goUniversal-3.5 Pro: pay as you go
Real-time streaming	No, recorded audio only	Yes
Languages	English with Parakeet v2, 25 European languages with v3	99 languages with Universal-2, 18 with Universal-3.5 Pro
Longest file	24 hours of audio per request	10 hours per file
Self-hosting	Open models you can run yourself	Self-hosted deployments
API	OpenAI-compatible	AssemblyAI’s own

Multiples in brackets compare with Avencera’s cheapest offer at the same volume.

Price with speaker labels

Audio a month	Avencera	AssemblyAI Universal-2	AssemblyAI Universal-3.5 Pro
10 hours	$0.80	$1.70 2.1×	$2.30 2.8×
100 hours	$8.00	$17.00 2.1×	$23.00 2.8×
1,000 hours	$80.00	$170.00 2.1×	$230.00 2.8×
10,000 hours	$800.00	$1,700.00 2.1×	$2,300.00 2.8×

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

Across 4 published results, Avencera is ahead on 1 and behind on 3.

Benchmark	Avencera	AssemblyAI	Lower error
Open ASR Leaderboard, English Average word error rate over 11 English test sets	6.02% Parakeet v2	5.39% Universal-3.5 Pro	AssemblyAI
Open ASR Leaderboard, earnings calls Word error rate on the Earnings-22 set	5.85% Parakeet v3	6.05% Universal-3.5 Pro	Avencera
Open ASR Leaderboard, long-form Average word error rate on long English recordings	13.37% Parakeet v3	10.35% Universal-3 Pro	AssemblyAI
Artificial Analysis Word error rate, measured on each provider’s own API	4.5% Parakeet v3	3.0% Universal-3.5 Pro	AssemblyAI

Lower is better, and results within 0.1 points count as level. The Open ASR Leaderboard tests the open Parakeet weights that Avencera runs. Artificial Analysis tests Parakeet v3 as hosted by Together AI. These results don’t test the Avencera API itself, which opens soon.

Choose AssemblyAI if

Accuracy matters most. Universal-3.5 Pro scores 5.39% on the Open ASR Leaderboard, English, against 6.02% for Parakeet v2; Universal-3 Pro scores 10.35% on the Open ASR Leaderboard, long-form, against 13.37% for Parakeet v3; Universal-3.5 Pro scores 3.0% on the Artificial Analysis, against 4.5% for Parakeet v3.
You need real-time streaming. AssemblyAI offers it; Avencera transcribes recorded audio only.
You need more languages. AssemblyAI lists 99 languages with Universal-2, 18 with Universal-3.5 Pro.
You want to start free. AssemblyAI gives $50 of free credit at sign-up.
You need an API today. Avencera opens soon.

Choose Avencera if

You want the lower bill. AssemblyAI Universal-2 costs 2.1× as much at 100 hours a month with speaker labels.
You want accuracy for less. Universal-3.5 Pro scores 6.05% on the Open ASR Leaderboard, earnings calls, against 5.85% for Parakeet v3.
You want prepaid credit with no subscription, no minimum and no expiry.
You want speaker labels in the headline price. AssemblyAI adds a per-hour charge for them on top of every model.
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 AssemblyAI?: Yes. Avencera transcribes from $0.06 an hour, or $0.08 with speaker labels. At 100 hours a month with speaker labels, AssemblyAI Universal-2 costs $17.00 against $8.00 at Avencera, 2.1× as much.
Is Avencera more accurate than AssemblyAI?: Across 4 published results, Avencera is ahead on 1 and behind on 3. Universal-3.5 Pro scores 5.39% on the Open ASR Leaderboard, English, against 6.02% for Parakeet v2. Universal-3.5 Pro scores 6.05% on the Open ASR Leaderboard, earnings calls, against 5.85% for Parakeet v3. Universal-3 Pro scores 10.35% on the Open ASR Leaderboard, long-form, against 13.37% for Parakeet v3. Universal-3.5 Pro scores 3.0% on the Artificial Analysis, against 4.5% for Parakeet v3.
Which AssemblyAI model is closest to Avencera?: Universal-2 is the closer match on price; Universal-3.5 Pro is the closer match on accuracy, and it beats Parakeet on most of the benchmarks below. Avencera costs less than either.
How do I switch from AssemblyAI to Avencera?: Avencera uses OpenAI’s transcription API format, so any OpenAI SDK works. Send the same audio files you send AssemblyAI, 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 21, 2026 for the Hugging Face Open ASR Leaderboard and October 23, 2026 for the Artificial Analysis speech-to-text.