Deepgram vs Mistral: Token Pricing, Speed & Intelligence
Full comparison of Deepgram and Mistral — live token pricing, latency, throughput, context window, strengths, weaknesses, and best use cases. Rates sourced from public APIs — verify before use.
Deepgram
Nova-3 speech-to-text API — real-time and batch transcription at low latency
Deepgram is a speech-to-text API provider specialising in low-latency audio transcription. Its Nova-3 model delivers real-time streaming transcription with high accuracy across accents and domains. Nova-3 Medical is tuned for clinical vocabulary. Deepgram also hosts Whisper Large for teams that need an open-weights baseline. Pricing is per audio hour rather than per token.
Mistral
Mistral Medium 3.5, Mistral Small 4, Voxtral TTS, Mistral OCR 4 — European sovereign AI
Mistral AI is a Paris-based lab offering both proprietary and open-weight models. The September 2026 lineup includes Mistral Medium 3.5 (frontier, 128K context, vision), Mistral Small 4 (efficient), Voxtral TTS (text-to-speech), and Mistral OCR 4 (document intelligence). Mistral Studio is their platform for building, testing, and deploying AI agents. Vibe is their AI agent product for long-horizon work. Check mistral.ai/technology/#pricing for current rates.
Key metric comparison
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Live token pricing
Strengths and weaknesses
Deepgram
Mistral
Key differentiators
Purpose-built speech-to-text API with Nova-3 at ~300 ms latency and a medical-domain variant — priced per audio hour rather than per token.
The only frontier lab offering European data sovereignty with open-weight models — plus Mistral OCR 4 for document intelligence, Voxtral TTS for voice, and Mistral Studio for agentic AI.
Frequently asked questions
Deepgram FAQs
How is Deepgram priced?
Deepgram charges per audio hour rather than per token. Nova-3 is $0.218/hour, Nova-3 Medical is $0.435/hour, and Whisper Large is $0.218/hour. See deepgram.com/pricing for current rates.
What is Deepgram Nova-3?
Nova-3 is Deepgram's latest speech recognition model, offering high accuracy with approximately 300 ms P50 latency for real-time streaming. It supports 30+ languages and is optimised for conversational and call-centre audio.
Does Deepgram support real-time transcription?
Yes. Deepgram's streaming API delivers transcription results with ~300 ms latency, making it suitable for live captions, voice agents, and real-time call analytics.
Mistral FAQs
What are the latest Mistral models?
Mistral's September 2026 lineup includes Mistral Medium 3.5 (frontier, vision, 128K context), Mistral Small 4 (efficient), Voxtral TTS (text-to-speech), and Mistral OCR 4 (document intelligence). Mistral Small 4 is one of the cheapest capable models available.
Are Mistral models open-weight?
Some are. Mistral 7B, Mixtral 8x7B, and Mixtral 8x22B are open-weight and available on Hugging Face. Mistral Medium 3.5 and Mistral Small 4 are proprietary and available via the API.
What is Mistral OCR 4?
Mistral OCR 4 is a document intelligence model specialised for extracting text and structure from PDFs, scanned documents, and images. It is part of Mistral's Document Intelligence domain offering.
Provider resources
Deepgram — Nova-3 speech-to-text API — real-time and batch transcription at low latency
Deepgram is a speech-to-text API provider specialising in low-latency audio transcription. Its Nova-3 model delivers real-time streaming transcription with high accuracy across accents and domains. Nova-3 Medical is tuned for clinical vocabulary. Deepgram also hosts Whisper Large for teams that need an open-weights baseline. Pricing is per audio hour rather than per token.
Purpose-built speech-to-text API with Nova-3 at ~300 ms latency and a medical-domain variant — priced per audio hour rather than per token.
Mistral — Mistral Medium 3.5, Mistral Small 4, Voxtral TTS, Mistral OCR 4 — European sovereign AI
Mistral AI is a Paris-based lab offering both proprietary and open-weight models. The September 2026 lineup includes Mistral Medium 3.5 (frontier, 128K context, vision), Mistral Small 4 (efficient), Voxtral TTS (text-to-speech), and Mistral OCR 4 (document intelligence). Mistral Studio is their platform for building, testing, and deploying AI agents. Vibe is their AI agent product for long-horizon work. Check mistral.ai/technology/#pricing for current rates.
The only frontier lab offering European data sovereignty with open-weight models — plus Mistral OCR 4 for document intelligence, Voxtral TTS for voice, and Mistral Studio for agentic AI.
Key strengths compared
Deepgram
- Nova-3 delivers industry-leading accuracy with ~300 ms P50 latency for real-time streaming
- Nova-3 Medical tuned for clinical and healthcare vocabulary
- Per-audio-hour pricing is predictable for high-volume transcription workloads
- Speech-to-text only — no LLM chat, image, or embedding models
- No per-token pricing; cost structure differs from general-purpose LLM APIs
Mistral
- Mistral Medium 3.5 with vision — competitive frontier pricing
- Mistral OCR 4 for document intelligence and PDF processing
- Voxtral TTS for voice applications
- Intelligence scores trail OpenAI and Anthropic at frontier tier
- Smaller ecosystem than OpenAI
Key weaknesses compared
Deepgram
- Speech-to-text only — no LLM chat, image, or embedding models
- No per-token pricing; cost structure differs from general-purpose LLM APIs
- Smaller ecosystem than general-purpose providers
Mistral
- Intelligence scores trail OpenAI and Anthropic at frontier tier
- Smaller ecosystem than OpenAI
- Vibe and Studio products are newer and less battle-tested
Provider category context
Deepgram is a frontier lab, founded in 2015. Mistral is a frontier lab, founded in 2023. Both are frontier lab providers — the comparison is primarily about pricing, model selection, and feature differentiation within the same tier.
How to choose between them
Both Deepgram and Mistral are frontier labs with proprietary models. Choose based on benchmark performance for your specific task: Deepgram leads on nova-3 delivers industry-leading accuracy with ~300 ms p50 latency for real-time streaming, while Mistral leads on mistral medium 3.5 with vision — competitive frontier pricing. For cost-sensitive workloads, compare the cheapest model tier from each provider in the pricing table above — the gap between efficient-tier models is often larger than between flagship models.