Best for
Best for developers building real-time speech-to-text, text-to-speech and voice agents through an API.
- Small and mid-sized
- Enterprise
AI Voice & Speech Comparison
Deepgram vs. Fathom
At a glance
At a glance
Best for
Best for sales and customer-facing teams who want every call recorded and summarised on a free plan, and the follow-up written back into the CRM once it is worth paying for.
- Freelancers
- Small and mid-sized
- Enterprise
Cataleo does not name a winner. Both statements come from the vendors themselves.
Full Comparison
| Criterion | Deepgram | Fathom |
|---|---|---|
| Starting price | Usage-based, pay-as-you-go No minimums and no expiry. Speech-to-text from $0.0048 / minute on Nova-3 monolingual streaming, text-to-speech from $0.0150 / 1,000 characters on Aura-1, and the Voice Agent API from $0.056 / minute. | Free plan; Premium $20 / user / month Premium is $16 per user per month billed annually. For teams, Team is $19 per user per month ($15 annually) and Business $34 ($25 annually), both with a two-user minimum. Enterprise is quoted. |
| Free trial | $200 in free credits to start, no credit card required | Free plan with unlimited recordings, transcription and AI summaries |
| Commercial use | Yes, usage-based | Not stated |
| Output | Speech-to-text, text-to-speech and voice agents | Transcripts, AI meeting summaries, action items and follow-up emails |
| API | Yes | Yes, a public REST API with webhooks and SDKs, plus an MCP server |
| Hosting | Cloud, or self-hosted for in-region and in-house data control | Cloud, with a desktop app for bot-free capture |
| Voice cloning | No, the catalogue is fixed: 40+ prebuilt Aura-2 voices across English, Spanish, Dutch, French, German, Italian and Japanese, with no cloning or custom-voice product on the price list | No, Fathom records, transcribes and summarises meetings and does not synthesise or clone voices |
| Real-time use | Yes, real-time streaming speech-to-text and text-to-speech, plus batch processing | Yes in the new experience, which shows a live summary that updates as the meeting runs; in the previous experience summaries and transcripts are generated once the recording has been processed |
| Languages | 45+ languages for speech-to-text, with automatic language detection | Transcripts in 38 languages; summaries are automatically translated when a call is detected in Spanish, Portuguese, German, French, Italian or Dutch, and can be switched between those six from a drop-down |
| Speech-to-speech and dubbing | No dubbing or translation product. Speech-to-speech runs as a pipeline through the Voice Agent API, which handles listening, thinking and speaking with configurable speech-to-text models, LLM providers and voices, plus function calling mid-conversation | No speech-to-speech or dubbing; the translation covers written summaries only |
| Editing and controls | Voice selection, plus encoding, bit rate, container and sample rate on the output, streamed audio and callbacks. Aura-2 is built to read naturally without SSML markup, and speed and style can be changed mid-conversation without restarting the session | Chronological and enhanced summaries, advanced summaries from over fifteen templates including BANT and Sandler, AI action items and follow-up emails, clips and playlists, Ask Fathom chat over a single call or the whole account, keyword and AI search alerts, custom summary templates and a custom bot name |
| Consent and trust | SOC 2 Type 1 and 2, HIPAA, GDPR, CCPA and PCI compliant; self-hosting for in-house data control | A choice of bot or bot-free capture, a custom bot name and the option to disable the in-meeting banner on paid plans; Enterprise adds SSO, Okta SCIM provisioning, organisation-wide security controls, custom data retention policies and a signed HIPAA BAA |
| MCP-ready | Yes | Yes |
| Deployment | more entries Cloud (SaaS), Browser-based, On-premise | Cloud (SaaS), Browser-based |
| Support | Community forum | Email helpdesk |
| Onboarding | Documentation and knowledge base | more entries Documentation and knowledge base, Guided onboarding |
| Company size | Small and mid-sized, Enterprise | more entries Freelancers, Small and mid-sized, Enterprise |
| Integrations | Not stated | Zoom, Google Meet, Microsoft Teams, HubSpot, Salesforce, Slack, Asana, Zapier, Make, ChatGPT, Claude |
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The short version
Key Differences
- Starting price Deepgram Usage-based, pay-as-you-go Fathom Free plan; Premium $20 / user / month
- Free trial Deepgram $200 in free credits to start, no credit card required Fathom Free plan with unlimited recordings, transcription and AI summaries
- Deployment Deepgram Cloud (SaaS), Browser-based, On-premise Fathom Cloud (SaaS), Browser-based
- Company size Deepgram Small and mid-sized, Enterprise Fathom Freelancers, Small and mid-sized, Enterprise
- Hosting Deepgram Cloud, or self-hosted for in-region and in-house data control Fathom Cloud, with a desktop app for bot-free capture
Every line is one datapoint from the table above, picked automatically. Nothing here is written text.
The trade-offs
Strengths and Limitations
Deepgram
Strengths
- Unified speech-to-text, text-to-speech and voice-agent APIs
- Real-time streaming with low latency for live applications
- Usage-based with $200 free credit and no card required
- Runs self-hosted for data control and compliance
Limitations
- Developer platform, not a consumer voice studio
- Several headline per-minute rates are promotional and sit below the list price, so the long-run cost depends on which rate applies
Fathom
Strengths
- Free plan carries unlimited recordings, transcription and AI summaries
- Records without a bot in the call from the desktop app, or with one
- Transcripts in 38 languages
- Documented REST API with webhooks, SDKs and an MCP server
Limitations
- Transcription and summarisation only, with no voice synthesis, cloning or dubbing
- Summary translation covers six languages against the 38 it transcribes
- Team and Business plans carry a two-user minimum
- CRM field sync, coaching metrics and custom summaries start on the Business plan
Plans
Pricing
Deepgram
- Pay As You Go $0.0048 Per minute of Nova-3 monolingual streaming speech-to-text at the current promotional rate, $0.0077 at list. Nova-3 multilingual $0.0058, Flux English $0.0065. Text-to-speech $0.0150 / 1,000 characters on Aura-1 and $0.030 on Aura-2. Voice Agent API from $0.056 / minute. Add-ons are priced separately: redaction and diarization $0.0020 / minute each, entity detection $0.0017, keyterm prompting $0.0013. No minimums, no expiry, $200 in credits to start without a card.
- Growth From $4,000 Per year in prepaid credits, redeemed against usage at lower rates: Nova-3 monolingual streaming $0.0042 / minute, Aura-1 $0.0135 and Aura-2 $0.027 / 1,000 characters.
- Enterprise Not stated Custom pricing, volume commitments, self-hosting and dedicated support.
Fathom
- Free $0 Unlimited recordings and transcriptions, bot-free or bot capture, instant AI summaries, clips, playlists and search across calls.
- Premium $20 Per user per month, $16 billed annually. Adds advanced call summaries, AI action items, the conversational meeting assistant and a custom meeting bot.
- Team $19 Per user per month, $15 billed annually, two-user minimum. Adds global search across calls, team playlists and collaboration with comments, folders and keyword alerts.
- Business $34 Per user per month, $25 billed annually, two-user minimum. Adds CRM field sync, deal view, coaching metrics and AI scorecards and custom summaries.
- Enterprise Not stated Quoted. Adds the Launch Assist onboarding programme, organisation-wide security controls, SSO and SCIM provisioning, custom data retention and a dedicated success manager.
What users say
Review Scores · opens after launch
Deepgram
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Fathom
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Where this comes from
Where this comes from
Deepgram https://deepgram.com · checked against the official source on 2026-09-01
Fathom https://fathom.video · checked against the official source on 2026-09-16
This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.