Is Avencera cheaper than Gladia?

Yes. Avencera transcribes from $0.06 an hour, or $0.07 with speaker labels. At 100 hours a month with speaker labels, Gladia Solaria-3 costs $16.79 against $7.00 at Avencera, 2.3× as much.

Is Avencera more accurate than Gladia?

Gladia transcribes words more accurately on 1 of 3 published tests, by up to 1.3 points; two are level. Solaria-3 scores 5.99% on the Open ASR Leaderboard, English, against 6.02% for Parakeet v2. Solaria-3 scores 5.94% on the Open ASR Leaderboard, earnings calls, against 5.85% for Parakeet v3. Solaria-3 scores 3.2% on the Artificial Analysis, against 4.5% for Parakeet v3.

Can Gladia transcribe a recording longer than two hours?

Not in one request on standard plans: Gladia accepts files up to 135 minutes. Avencera takes up to 24 hours of audio as one job.

How do I switch from Gladia to Avencera?

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

Gladia alternative: Avencera vs Gladia

At 100 hours a month with speaker labels, Gladia Solaria-3 costs 2.3× as much as Avencera. Gladia transcribes words more accurately on 1 of 3 published tests, by up to 1.3 points; two are level.

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

At a glance

Gladia is a Paris-based speech-to-text API. Its Solaria-3 model includes speaker labels on async jobs, covers 100+ languages and bills in euros, with lower rates at higher monthly volumes.

Feature	Avencera	Gladia
Transcript, at 100 hours a month	$0.06 an hour	Solaria-3: $0.168 an hour (2.7×)
With speaker labels, at 100 hours a month	$0.07 an hour	Solaria-3: $0.168 an hour (2.3×)
Speaker labels	Included in the speaker transcript price	Solaria-3: included
Billing	Prepaid credit, no subscription	Solaria-3: pay as you go, cheaper rate at higher monthly volumes
Real-time streaming	No, recorded audio only	Yes
Languages	English with Parakeet v2, 25 European languages with v3	100+ languages
Longest file	2 hours or 100 MB per request, 24 hours as a job	135 minutes per file
Self-hosting	Open models you can run yourself	Custom hosting on Enterprise plans
API	OpenAI-compatible	Gladia’s own

Price with speaker labels

Audio a month	Avencera	Gladia Solaria-3
10 hours	$0.70	$1.79 2.5×
100 hours	$7.00	$16.79 2.3×
1,000 hours	$70.00	$156.70 2.2×
10,000 hours	$700.00	$1,343.16 1.9×

See every provider at any volume on the pricing page.

Accuracy

Words

Gladia transcribes words more accurately on 1 of 3 published tests, by up to 1.3 points; two are level.

Word error rate by benchmark, lower is better

Open ASR Leaderboard, English Average word error rate over 11 English test sets

Level

Avencera Parakeet v2: 6.02%. Gladia Solaria-3: 5.99%.
Open ASR Leaderboard, earnings calls Word error rate on the Earnings-22 set

Level

Avencera Parakeet v3: 5.85%. Gladia Solaria-3: 5.94%.
Artificial Analysis Word error rate, measured on each provider’s own API

Solaria-3 by 1.3 points

Avencera Parakeet v3: 4.5%. Gladia Solaria-3: 3.2%.

Choose Gladia if

Word accuracy matters most. Solaria-3 scores 3.2% on the Artificial Analysis, against 4.5% for Parakeet v3.
You need real-time streaming. Gladia offers it; Avencera transcribes recorded audio only.
You need more languages. Gladia lists 100+ languages.
You want to start free. Gladia gives new accounts €50 of free credit, valid for a year.
You need an API today. Avencera opens soon.

Choose Avencera if

You want the lower bill. Gladia Solaria-3 costs 2.3× as much at 100 hours a month with speaker labels.
You want prepaid credit with no subscription, no minimum and no expiry.
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. Set speaker_labels to true for a speaker on every segment.

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/parakeet-tdt-0.6b-v2",
        file=audio,
        extra_body={"speaker_labels": True},
    )

Questions

Is Avencera cheaper than Gladia?: Yes. Avencera transcribes from $0.06 an hour, or $0.07 with speaker labels. At 100 hours a month with speaker labels, Gladia Solaria-3 costs $16.79 against $7.00 at Avencera, 2.3× as much.
Is Avencera more accurate than Gladia?: Gladia transcribes words more accurately on 1 of 3 published tests, by up to 1.3 points; two are level. Solaria-3 scores 5.99% on the Open ASR Leaderboard, English, against 6.02% for Parakeet v2. Solaria-3 scores 5.94% on the Open ASR Leaderboard, earnings calls, against 5.85% for Parakeet v3. Solaria-3 scores 3.2% on the Artificial Analysis, against 4.5% for Parakeet v3.
Can Gladia transcribe a recording longer than two hours?: Not in one request on standard plans: Gladia accepts files up to 135 minutes. Avencera takes up to 24 hours of audio as one job.
How do I switch from Gladia to Avencera?: Avencera uses OpenAI’s transcription API format, so any OpenAI SDK works. Send the same audio files you send Gladia, and map its response fields to the OpenAI-style transcript.