AI Tools · head to head
Deepgram vs Subframe

Deepgram
AI Tools
Voice AI API platform for speech-to-text, text-to-speech, and voice agents
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Deepgram pricing is entirely usage-based, so total cost can be harder to predict than flat subscription tools.; Subframe the free plan is capped at 1 project, 10 pages, and 2 prototypes with limited AI usage and only 24 hour version history, versus unlimited AI on the $29 per editor per month Pro plan, as of August 2026.
Where they differ
Only the attributes on which Deepgram and Subframe actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Deepgram
- Flux speech-to-text
- Flux text-to-speech
- Voice Agent API
- Real-time and batch processing
- Self-hosted deployment
- Audio intelligence
Only in Subframe
Nothing recorded that Deepgram does not also cover.
What people use each for
The jobs each tool is most often brought in to do.
Deepgram
- Building real-time voice agents for customer supportnot Subframe
- Transcribing recorded audio at scale via batch STTnot Subframe
- Adding conversational text-to-speech to voice applicationsnot Subframe
- Self-hosting speech models for data residency requirementsnot Subframe
Subframe
No use cases recorded yet. See the Subframe review.
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Deepgram
- Pricing is entirely usage-based, so total cost can be harder to predict than flat subscription tools.
- The Growth plan requires a minimum $4K/year commitment to unlock discounted rates.
- Enterprise features and custom SLAs require a direct sales conversation rather than self-serve signup.
- Some promotional per-minute rates are time-limited, meaning long-term pricing may differ from current promotional rates.
Subframe
- The free plan is capped at 1 project, 10 pages, and 2 prototypes with limited AI usage and only 24 hour version history, versus unlimited AI on the $29 per editor per month Pro plan, as of August 2026.
Pricing, plan by plan
Deepgram
Free- Pay As You Go$undefined/mo
- $200 free credit to start
- No minimums or expiration
- No credit card required to start
- Growth$undefined/mo
- Save up to 20% with annual pre-paid credits
- Minimum $4K/year commitment
- Credits applied against actual usage
- Enterprise$undefined/mo
- Custom pricing for large-scale deployments
- Dedicated support and contracts
Subframe
FreeNo published plan breakdown. See the Subframe review.
Which should you pick?
Choose Deepgram if
- You need flux speech-to-text.
- You want to start without paying.
- You work on web, api.
- You also want flux text-to-speech.
Questions people ask
- Is Deepgram or Subframe better?
- Neither clearly leads. Deepgram starts at Free and Subframe at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Deepgram or Subframe?
- Deepgram starts at Free and Subframe at Free.
- Does Deepgram or Subframe run on more platforms?
- Deepgram runs on web, api. Subframe runs on Web.
- Can I use Deepgram for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Deepgram best used for?
- Deepgram is most often used for building real-time voice agents for customer support, transcribing recorded audio at scale via batch stt, adding conversational text-to-speech to voice applications, self-hosting speech models for data residency requirements. Of those, building real-time voice agents for customer support and transcribing recorded audio at scale via batch stt are not what Subframe is typically brought in for.
- What can Deepgram do that Subframe cannot?
- Deepgram covers Flux speech-to-text, Flux text-to-speech, Voice Agent API, Real-time and batch processing.
Answered from the vendors’ own pages
Deepgram: What does Deepgram cost?
Deepgram uses usage-based pricing starting with $200 in free credit, pay-as-you-go rates per minute or per character, a Growth plan with annual pre-paid credits requiring a $4K/year minimum, and custom Enterprise pricing.
SourceDeepgram: Is there a free plan, and what are its limits?
New users get $200 of free credit with no credit card required, which can be applied to speech-to-text, text-to-speech, or voice agent usage before any payment is needed.
SourceDeepgram: How is usage metered?
Usage is metered per minute of audio for speech-to-text and voice agent calls, and per 1,000 characters for text-to-speech, with add-ons like redaction and entity detection billed separately per minute.
SourceRelated pages
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