AssemblyAI vs Deepgram

AssemblyAI is freemium — a usable free tier with paid plans above it. Deepgram is freemium — a usable free tier with paid plans above it. Both are listed under Speech & Transcription Engines, so this is a like-for-like comparison. Neither is ranked above the other — Flocci carries no sponsored placement.

AssemblyAI vs Deepgram — straight answers

AssemblyAI vs Deepgram: what is the difference?

AssemblyAI is freemium — a usable free tier with paid plans above it and is listed for speech-to-text with audio intelligence. Deepgram is freemium — a usable free tier with paid plans above it and is listed for fast, accurate speech-to-text API. Both sit in Speech & Transcription Engines.

Is AssemblyAI or Deepgram cheaper to start with?

Neither — AssemblyAI and Deepgram are both freemium, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.

Which should I choose, AssemblyAI or Deepgram?

Choose AssemblyAI if you need speech-to-text with audio intelligence; choose Deepgram if you need fast, accurate speech-to-text API. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.

AssemblyAI compared with Deepgram: pricing tier, category, listed capabilities and links.
 AssemblyAIDeepgram
Pricing tierFree tier + paid plansFree tier + paid plans
Free to startYesYes
CategoryAI Models & Local ExecutionAI Models & Local Execution
TypeSpeech & Transcription EnginesSpeech & Transcription Engines
Listed capabilities
  • Speech-to-text with audio intelligence
  • Summaries, topics and sentiment
  • Speaker diarization
  • Free tier for developers
  • Fast, accurate speech-to-text API
  • Real-time streaming and diarization
  • Voice-agent building blocks
  • Free credits to start
Tagsspeech, assemblyai, transcription, understanding, api, freespeech, deepgram, transcription, realtime, api, free
Websiteassemblyai.comdeepgram.com
Full pageAssemblyAI details →Deepgram details →
AlternativesAssemblyAI alternatives →Deepgram alternatives →

NVIDIA Canary-Qwen 2.5B

Speech & Transcription Engines
freeNew
  • Speech-recognition plus LLM hybrid model that transcribes and can summarize or answer questions about audio
  • Topped the Hugging Face Open ASR leaderboard at release (English)
  • CC-BY-4.0 weights

NVIDIA Parakeet

Speech & Transcription Engines
free
  • Tops the Hugging Face Open ASR Leaderboard with 6.05% average WER at 0.6B params
  • CC-BY-4.0 license, free for commercial and non-commercial use
  • RTFx ~3,386 — extremely fast inference relative to accuracy

sherpa-onnx

Speech & Transcription Engines
freeNew
  • Offline speech-to-text, text-to-speech, VAD and speaker diarization without internet
  • Runs on Android, iOS, Raspberry Pi, WebAssembly and desktop with many language bindings
  • Apache-2.0

faster-whisper

Speech & Transcription Engines
freeNew
  • Whisper reimplementation on CTranslate2, up to 4x faster with less memory
  • int8 quantization for GPU and CPU
  • MIT licensed Python library

FunASR

Speech & Transcription Engines
freeNew
  • Open-source speech recognition toolkit with Paraformer and SenseVoice models
  • Streaming ASR, VAD, punctuation and speaker diarization
  • Strong Mandarin and multilingual accuracy
  • Runs on CPU or GPU, MIT-style license

Moonshine

Speech & Transcription Engines
freeNew
  • Small streaming speech-recognition models for phones, browsers and low-power devices
  • Low latency for live voice interfaces
  • Free open-source weights and runtime