Deepgram alternatives
11 products compared · Updated November 4, 2026
The short answer
For most teams, AssemblyAI is the strongest Deepgram alternative if you need top-tier transcription accuracy across 99+ languages. Vapi suits developers who want a complete voice agent platform with built-in telephony and monitoring. Speechmatics is best for regulated industries needing secure, multilingual speech-to-text with on-prem or on-device deployment.
Your shortlist, at a glance
Read the comparisons ↓
AssemblyAIFrom $0.15/hrTeams building voice agents or meeting notetakers that need top-tier transcription accuracy and support for 99+ languages.- SSpeechmaticsFrom $0.12/hrTeams in regulated industries like healthcare, legal, or contact centers that need secure, multilingual speech-to-text with deployment flexibility.
- RRev AINot publishedTeams that need highly accurate transcription for diverse speakers and languages, such as media, accessibility, or call analytics platforms.
ChatGPTSee websiteAI chatbot for exploring ideas, solving problems, and learning faster- EElevenLabsFree, then $5/moContent teams and enterprises that need ultra-realistic voices for narration, dubbing, and voice agents across many languages.
- PPlay.htNot publishedTeams that already use Play.ht for TTS and don't need real-time STT or voice agent capabilities.
- RRime AIFrom $0.080/min (PrismEnterprises in regulated industries that need low-latency, fine-tunable speech-to-speech models with on-prem deployment options.
- CCartesiaFrom $5/moTeams building real-time voice agents or speech applications that need low latency and flexible deployment options like on-premise or on-device.
VapiFrom $0.05/min + $29/mDevelopment teams that want a full voice agent platform with built-in telephony and monitoring, rather than raw speech-to-text APIs.
Bland AIFrom $0.14/minRegulated industries like healthcare and finance that need compliant, end-to-end AI phone agents with self-hosted deployment options.
VocodeNot publishedDevelopers and teams who want to build and self-host voice agents with their own choice of STT, LLM, and TTS providers.
About Deepgram and its alternatives
Deepgram is a voice AI platform that provides speech-to-text, text-to-speech, and voice agent APIs. It is known for real-time accuracy, enterprise-grade reliability (99.99% uptime), and a full stack that includes STT, TTS, and orchestration. Its pricing is usage-based with no minimums, and it offers SOC 2, HIPAA, GDPR, and EU data residency.
When comparing alternatives, weigh pricing structure (per-minute vs. per-hour vs. credit-based), language support, deployment options (cloud, on-prem, on-device), integrations with telephony and LLMs, and compliance certifications. Also consider whether you need a full voice agent platform or just raw speech APIs, and whether you prefer self-serve or sales-led contracts.
Explore the alternatives
- From $0.15/hr
1.AssemblyAI
Best for: Teams building voice agents or meeting notetakers that need top-tier transcription accuracy and support for 99+ languages.
- Pricing
- From $0.15/hr
- Category
- AI & Machine Learning
AssemblyAI offers speech-to-text, text-to-speech, and audio intelligence APIs with a focus on accuracy and low latency. You would choose it over Deepgram if you need a platform that ranks first in independent benchmarks and provides specialized modes like medical transcription.
Where it is strong
- Most accurate speech-to-text models, ranked first by independent benchmarks.
- Supports 99+ languages with native code-switching.
- Offers medical mode for clinical-grade transcription.
Where it falls short
- Pricing is per hour, which may be less granular than per-minute billing.
- Text-to-speech is new and may have fewer voice options compared to Deepgram.
- Pricing:
- Pre-recorded speech-to-text starts at $0.15 per hour for Universal-2 and $0.21 per hour for Universal-3.5 Pro. Realtime speech-to-text starts at $0.45 per hour for Universal-3.6 Pro Realtime.
- Switching from Deepgram:
- Moving from Deepgram involves re-integrating with AssemblyAI's APIs and adjusting to per-hour pricing, but the core speech-to-text and realtime endpoints are similar.
- SFrom $0.12/hr
2.Speechmatics
Best for: Teams in regulated industries like healthcare, legal, or contact centers that need secure, multilingual speech-to-text with deployment flexibility.
- Pricing
- From $0.12/hr
- Category
- Other
Speechmatics is a speech-to-text API focused on real conversations, with strong multilingual support and a medical model. You would choose it over Deepgram if you need on-prem or on-device deployment, or if your priority is accuracy on accented or mixed-language audio rather than a full voice AI stack.
Where it is strong
- Supports 55+ languages with code-switching, so speakers can switch mid-sentence.
- Deploy on-device, on-prem, or in the cloud, with no data logging by default.
- Includes speaker diarization and custom vocabulary at no extra cost.
Where it falls short
- No text-to-speech or voice agent orchestration, so you need to pair it with other tools.
- Real-time concurrency is capped at 50 sessions on self-serve, which may be limiting for large-scale voice agents.
- Pricing:
- Transcription starts at $0.12/hr for the multilingual Melia 1 model, with other models up to $0.40/hr. TTS is $0.011 per 1,000 characters.
- Switching from Deepgram:
- Moving from Deepgram means reworking your pipeline, since Speechmatics offers only STT and TTS, not a full voice agent API.
- RNot published
3.Rev AI
Best for: Teams that need highly accurate transcription for diverse speakers and languages, such as media, accessibility, or call analytics platforms.
- Pricing
- Not published
- Category
- Other
Rev AI is a speech-to-text API focused on accuracy, with models trained on 7M+ hours of human-verified speech data. Choose it over Deepgram if your priority is the lowest word error rate across many languages and accents, rather than a full voice AI stack with TTS and voice agents.
Where it is strong
- Consistently low word error rate across accents and demographics
- 57+ languages with context-aware translation
- SOC II, HIPAA, GDPR, and PCI compliant with 99.99% uptime
Where it falls short
- No text-to-speech or voice agent APIs, so you'd need separate providers
- Pricing not transparent on the site, requiring a sales call
- Pricing:
- Pricing is not published on the site.
- See website
4.ChatGPT
AI & Machine Learning
Open-source speech recognition model that can be self-hosted for transcription and voice AI.
- EFree, then $5/mo
5.ElevenLabs
Best for: Content teams and enterprises that need ultra-realistic voices for narration, dubbing, and voice agents across many languages.
- Pricing
- Free, then $5/mo
- Category
- Other
ElevenLabs is a voice AI platform that covers text-to-speech, speech-to-text, voice cloning, and conversational agents. It is a strong choice if you need highly expressive, lifelike voices for content creation or customer-facing agents, and you want a single vendor for both creative audio and agent deployment.
Where it is strong
- Highly expressive and lifelike TTS with 90+ languages.
- Includes voice cloning, music, and sound effects generation.
- Offers both creative tools and agent APIs on one platform.
Where it falls short
- Speech-to-text accuracy is lower than Deepgram's Nova models.
- Pricing is credit-based, which can be less predictable than per-minute rates.
- Pricing:
- Free tier includes 10k credits per month. Starter is $5/month (then $6), Creator is $22/month, Pro is $99/month, Scale and Business are custom. Enterprise is custom.
- PNot published
6.Play.ht
Best for: Teams that already use Play.ht for TTS and don't need real-time STT or voice agent capabilities.
- Pricing
- Not published
- Category
- Other
Play.ht is a text-to-speech platform, but its site was unreachable during our review, so we couldn't verify current features or pricing. If you need a reliable speech-to-text and voice agent API like Deepgram, Play.ht is not a dependable alternative at this time.
Where it is strong
- Known for natural-sounding TTS voices
- Supports multiple languages
- Offers API access for developers
Where it falls short
- Site was unreachable during review
- No evidence of STT or voice agent features like Deepgram
- Pricing:
- Pricing is not published on the site.
- RFrom $0.080/min (Prism
7.Rime AI
Best for: Enterprises in regulated industries that need low-latency, fine-tunable speech-to-speech models with on-prem deployment options.
- Pricing
- From $0.080/min (Prism
- Category
- Other
Rime AI offers a single speech-to-speech model that listens, reasons, and replies in one pass, with text output before audio so you can check every word. Choose it over Deepgram when you need fine-tuned, enterprise-grade voice models that can run on-prem or in your VPC, especially for high-stakes calls in healthcare or finance.
Where it is strong
- Single speech-to-speech model with 0.57s start time on benchmarks
- Fine-tune on your calls and deploy in your own environment
- 600+ voices with control over accent, pace, and tone
Where it falls short
- No pay-as-you-go without monthly commitment on Scale
- Pricing is per minute, not per character or token, which may be less granular
- Pricing:
- Prism speech-to-speech is $0.080/min on Flex, $0.064/min on Scale (with $100/month). Rime STT is $0.002/min on Flex, $0.0016/min on Scale. Mist v3 TTS is $0.030/min on Flex, $0.024/min on Scale. Coda v2 TTS is $0.050/min on Flex, $0.040/min on Scale. Free tier
- CFrom $5/mo
8.Cartesia
Best for: Teams building real-time voice agents or speech applications that need low latency and flexible deployment options like on-premise or on-device.
- Pricing
- From $5/mo
- Category
- Other
Cartesia offers real-time speech models and voice agents on state space models, which gives it very low latency. You would choose it over Deepgram if you need on-premise or on-device deployment, or if you want a single API for both TTS and STT with a strong focus on speed.
Where it is strong
- Ranked #1 in Speech Arena and STT leaderboards by Artificial Analysis
- Runs on state space models for low latency at scale
- Deploy same models across cloud, on-premise, and on-device
Where it falls short
- No pay-as-you-go option. Plans are subscription-based with credits
- Voice agent prepaid dollars are limited per plan (e.g., 33 minutes on Free)
- Pricing:
- Pricing starts with a Free plan (20K credits/month), then Pro at $5/month, Startup at $49/month, Scale at $299/month, and Enterprise with custom pricing.
- From $0.05/min + $29/m
9.Vapi
Best for: Development teams that want a full voice agent platform with built-in telephony and monitoring, rather than raw speech-to-text APIs.
- Pricing
- From $0.05/min + $29/m
- Category
- AI & Machine Learning
Vapi is a managed voice agent platform that handles orchestration, telephony, and monitoring, with Deepgram available as a transcriber option. You would choose it over Deepgram if you want to build and deploy complete voice agents quickly without assembling STT, LLM, and TTS components yourself.
Where it is strong
- Managed platform: handles telephony, orchestration, and monitoring out of the box.
- Model costs passed through at no markup, including Deepgram as a transcriber option.
- Free tier includes $5 credits and 4 concurrent calls to test before paying.
Where it falls short
- Hosting fee adds on top of model costs, so total per-minute price is higher than raw Deepgram API.
- Concurrency limits are low on free and Core plans (4 and 10), which may not suit large call volumes.
- Pricing:
- Vapi charges a $0.05/min hosting fee on the free plan, with Core at $29/month and Pro at $999/month plus 10% of hosting fees. Model costs (like Deepgram transcription) are passed through at cost.
- Switching from Deepgram:
- Moving from Deepgram to Vapi means wrapping your STT usage inside Vapi's agent platform, where Deepgram can still be selected as the transcriber, so you keep the same speech engine while gaining orchestration and telephony.
- From $0.14/min
10.Bland AI
Best for: Regulated industries like healthcare and finance that need compliant, end-to-end AI phone agents with self-hosted deployment options.
- Pricing
- From $0.14/min
- Category
- AI & Machine Learning
Bland AI is a full voice agent platform that handles the entire call from speech-to-text, LLM, and text-to-speech in one per-minute rate, including telephony integration. You would choose it over Deepgram when you need to deploy complete AI phone agents for high-stakes, regulated calls and want a single vendor for the whole conversation stack, not just transcription and TTS APIs.
Where it is strong
- Per-minute rate covers LLM, STT, and TTS with no token charges
- SOC 2 Type II, HIPAA, PCI DSS, and FedRAMP 20x Class A certified
- On-prem/VPC deployment available for sensitive workloads
Where it falls short
- Pricing is higher than Deepgram's raw STT rates if you only need transcription
- Telephony is billed separately, adding carrier costs
- Pricing:
- Start plan is $0.14/min talk time with no platform fee. Build plan is $299/month plus $0.12/min. Enterprise is custom contracted.
- Switching from Deepgram:
- Moving from Deepgram means replacing your STT/TTS APIs with Bland's full agent platform, so you would rebuild your voice pipeline around their agent framework rather than just swapping API endpoints.
- Not published
11.Vocode
Best for: Developers and teams who want to build and self-host voice agents with their own choice of STT, LLM, and TTS providers.
- Pricing
- Not published
- Category
- AI & Machine Learning
Vocode is an open-source framework for building voice agents, giving you the integrations and orchestration to assemble a voice stack on top of any AI provider. You would choose it over Deepgram if you want full control and customization of your voice pipeline without being locked into a single vendor's speech stack.
Where it is strong
- Open source with MIT license, so you can modify and self-host
- Modular design lets you plug in any STT, LLM, and TTS
- Python and Node SDKs for building voice apps
Where it falls short
- No managed API or hosted service, so you handle deployment and scaling
- Smaller community and fewer out-of-the-box features than Deepgram
- Pricing:
- Pricing is not published on the site.
See more comparisons in AI & Machine Learning alternatives.
FAQ
Questions about Deepgram alternatives
What is the cheapest Deepgram alternative for speech-to-text?
Speechmatics starts at $0.12 per hour for its multilingual Melia 1 model, which is lower than Deepgram's per-minute rates. AssemblyAI starts at $0.15 per hour for Universal-2. Rime AI offers STT at $0.002 per minute on its Flex plan, which is also competitive.
Which alternative has the best transcription accuracy?
AssemblyAI claims to rank first in independent benchmarks for accuracy, with support for 99+ languages and a medical mode. Speechmatics also emphasizes accuracy on accented and mixed-language audio. Rev AI focuses on low word error rates across diverse speakers.
Can I deploy these alternatives on-premise or in my own VPC?
Yes. Speechmatics offers on-device, on-prem, and cloud deployment with no data logging by default. Rime AI supports on-prem or VPC deployment for fine-tuned models. Cartesia also allows deploying the same models across cloud, on-premise, and on-device.
Which alternative is best for building complete voice agents without coding?
Vapi is a managed platform that handles telephony, orchestration, and monitoring out of the box, with model costs passed through at no markup. Bland AI also provides a full voice agent platform with a single per-minute rate covering STT, LLM, and TTS, plus telephony integration.
Do any alternatives offer a free tier or trial?
Yes. Vapi offers a free plan with $5 credits and 4 concurrent calls. ElevenLabs has a free tier with 10k credits per month. Cartesia offers a free plan with 20K credits per month. AssemblyAI and Speechmatics do not publish free tiers on their sites.
Last updated November 4, 2026.