Sonix vs Whisper API (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: Whisper API does not list a price
Free plan
Whisper API
Only Whisper API has one
Higher rating
Sonix
4.4 against 3.3
Same job?
Yes
Both are Audio tools

Side by side

Compared on	Sonix	Whisper API
Our rating	4.4Better	3.3
Starts at	$10/mo	Free
Free plan	No	YesBetter
Category	Audio	Audio
Plans	From $10/mo	Free trial$0 for the first 30 hours Pay-as-you-go$0.17 per hour
Key features	Text-based transcript editing Broad multi-language transcription and translation Broadcast-standard subtitle export formats Browser-based, no software installation Speaker identification and timestamps	Built on Whisper Large V3, a current top-tier speech recognition model Multi-speaker detection and labeling 100+ language support with English translation OpenAI-compatible API for easy integration Free Transcripo tool for non-technical manual transcription
Pros	Strong multi-language transcription and translation support Broadcast-ready subtitle exports built in Text-based editing speeds up transcript correction	Named, current underlying model rather than a vague "AI-powered" claim Genuinely low pay-as-you-go pricing ($0.17/hour) after a generous 30-hour trial OpenAI-compatible API lowers switching costs for existing integrations
Cons	No free tier to test before paying Scope stays narrower than full audio/video editing suites Accuracy on heavily accented audio still needs manual review	Developer-oriented API access requires some technical setup for full use Pay-as-you-go costs scale directly with transcription volume Speaker detection and translation accuracy still varies with audio quality
Company	Sonix, Inc., founded 2017	Whisper API (Lemonfox.ai)

Prices come from each vendor's pricing page, last checked 20260826. Check the vendor before you buy.

FAQ

Questions people ask

Is Sonix better than Whisper API?

In our reviews Sonix scores 4.4 and Whisper API scores 3.3. The better pick depends on the job. Sonix: Transcript-editing built specifically for video subtitling. Whisper API: Speech-to-text on Whisper Large V3 with speaker detection across 100+ languages - OpenAI-compatible API, 30 free hours, then $0.17/hour.

Which is cheaper, Sonix or Whisper API?

Sonix: from $10/mo. Whisper API: free.

Do Sonix and Whisper API have free plans?

Only Whisper API has a free plan.

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