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. Fireflies.ai
At a glance
At a glance
Best for
Best for sales, recruiting and client teams whose meeting notes have to land in a CRM or applicant tracking system rather than a folder.
- Freelancers
- Small and mid-sized
- Enterprise
Cataleo does not name a winner. Both statements come from the vendors themselves.
Full Comparison
| Criterion | Deepgram | Fireflies.ai |
|---|---|---|
| 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; Pro from $10 / seat / month The $10 rate is billed annually; on monthly billing Pro is $18 per seat. Business is $19 billed annually or $29 monthly, and Enterprise $39 per seat / month on annual billing only. |
| Free trial | $200 in free credits to start, no credit card required | Free plan |
| Commercial use | Yes, usage-based | Not stated |
| Output | Speech-to-text, text-to-speech and voice agents | Transcripts, AI summaries with overviews, bullet points and action items, plus searchable meeting notes |
| API | Yes | Yes, from the Business plan |
| Hosting | Cloud, or self-hosted for in-region and in-house data control | Cloud, with a Chrome extension for Google Meet plus mobile and desktop apps |
| 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, Fireflies transcribes and summarises speech 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, a bot joins the call and records it live, and the mobile and desktop apps capture conversations held in person |
| Languages | 45+ languages for speech-to-text, with automatic language detection | More than 100 languages with automatic language detection and speaker recognition; the pricing page marks the wider set as beta |
| 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 dubbing or speech-to-speech translation is published |
| 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 | AI summaries with overviews, bullet points, action items and custom notes, speaker talk-time analytics, sentiment analysis, topic trackers and AI filters, plus AskFred for questions across past meetings |
| Consent and trust | SOC 2 Type 1 and 2, HIPAA, GDPR, CCPA and PCI compliant; self-hosting for in-house data control | The vendor states SOC 2 Type II, GDPR and HIPAA compliance, zero data retention and private dedicated storage with customer data ownership; Enterprise adds custom data retention and a super admin role |
| MCP-ready | stated Yes | No |
| Deployment | more entries Cloud (SaaS), Browser-based, On-premise | Cloud (SaaS), Browser-based |
| Support | Community forum | Email helpdesk |
| Onboarding | Documentation and knowledge base | Documentation and knowledge base |
| Company size | Small and mid-sized, Enterprise | more entries Freelancers, Small and mid-sized, Enterprise |
| Integrations | Not stated | Zoom, Microsoft Teams, Google Meet, Webex, GoToMeeting, Dialpad, Lifesize, Aircall, RingCentral, Zoom Phone, OpenPhone, Salesforce, HubSpot, Affinity, Slack, Notion, Google Docs, OneNote, Confluence, Microsoft SharePoint, Linear, Airtable, Asana, Microsoft To Do, Greenhouse, Lever, BambooHR, Google Drive, Dropbox, Microsoft OneDrive, Box, Zapier |
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The short version
Key Differences
- Starting price Deepgram Usage-based, pay-as-you-go Fireflies.ai Free plan; Pro from $10 / seat / month
- Free trial Deepgram $200 in free credits to start, no credit card required Fireflies.ai Free plan
- Deployment Deepgram Cloud (SaaS), Browser-based, On-premise Fireflies.ai Cloud (SaaS), Browser-based
- Company size Deepgram Small and mid-sized, Enterprise Fireflies.ai Freelancers, Small and mid-sized, Enterprise
- Hosting Deepgram Cloud, or self-hosted for in-region and in-house data control Fireflies.ai Cloud, with a Chrome extension for Google Meet plus mobile and desktop apps
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
Fireflies.ai
Strengths
- Covers Zoom, Microsoft Teams, Google Meet, Webex, GoToMeeting, Dialpad and Lifesize, plus dialers and uploaded audio files
- More than 100 languages with automatic detection
- Over 100 integrations carry summaries into CRM, ATS, chat and docs
- SOC 2 Type II, GDPR and HIPAA compliance with zero data retention
Limitations
- Transcription only, no text-to-speech or voice cloning
- API access, analytics and private channels all start at the Business plan
- The vendor marks the wider language set as beta
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.
Fireflies.ai
- Free $0 Free forever for one person: limited AI summaries, 400 minutes of storage per team and 20 AI credits a month.
- Pro $10 / seat / month Billed annually, or $18 per seat on monthly billing. Unlimited transcription and AI summaries, 8,000 minutes of storage per seat, video recording, downloads, the personal and email assistants and unlimited integrations.
- Business $19 / seat / month Billed annually, or $29 per seat on monthly billing. Unlimited storage, 30 AI credits, multi-language mode, conversation intelligence, team analytics for admins, public meeting access, user groups and private channels.
- Enterprise $39 / seat / month Annual billing only. Adds the rules engine, SSO and SCIM, audit logs, HIPAA compliance, private storage, custom data retention, a super admin role and a dedicated account 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.
Fireflies.ai
- 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
Fireflies.ai https://fireflies.ai · checked against the official source on 2026-09-12
This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.