ElevenLabs vs AssemblyAI
Best-in-class AI text-to-speech + voice cloning + Conversational AI
vs. Best-in-class speech-to-text API — Universal models, 99 languages, low-latency streaming
Pricing tiers
ElevenLabs
Free
10k credits/month. No voice cloning. Limited API.
Free
Starter
$6/mo. 30k credits. Instant voice cloning. Limited API.
$6/mo
Creator
$11/mo (first month 50% off). 121k credits. Professional cloning. Full API.
$11/mo
Pro
$99/mo. 600k credits. 44.1 kHz PCM API. Professional cloning.
$99/mo
Scale
$299/mo. 1.8M credits. 3 professional voice clones.
$299/mo
Business
$990/mo. 6M credits. 10 pro clones. Low-latency TTS API.
$990/mo
Enterprise
Custom. Unlimited pro clones + full access.
Custom
AssemblyAI
Free Credits
$50 in free credits on signup. Full API access.
Free
Pay-as-you-go
Per-hour billing by model. No minimum.
$0 base (usage-based)
Enterprise
Custom contracts. SLA, private deployments, BAA.
Custom
Free-tier quotas head-to-head
Comparing free on ElevenLabs vs free-trial on AssemblyAI.
| Metric | ElevenLabs | AssemblyAI |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
ElevenLabs · 13 features
- Conversational AI — Voice agents with LLM orchestration + tools.
- Dubbing Studio — Auto-dub video to target languages with lip-sync.
- Projects — Long-form narration workflow — books, podcasts.
- Realtime Streaming — Low-latency TTS streaming via WebSocket.
- Scribe (STT) — High-accuracy speech-to-text with speaker diarization.
- Sound Effects — AI-generated SFX from text prompts.
- Text to Sound — Generate music + sound from text.
- Text-to-Speech — Studio-quality TTS across 29 languages with emotion control.
- Voice Changer — Transform one voice into another preserving delivery.
- Voice Cloning — Instant (short sample) + Professional (30 min +) voice cloning.
- Voice Design — Design voices from text descriptions.
- Voice Library — 3,000+ community voices. License per-voice.
- Voiceover Studio — Multi-character voiceover timeline.
AssemblyAI · 11 features
- Advanced Prompting — Streaming with disfluency + code-switching + realtime diarization.
- Audio Intelligence — Sentiment, topic detection, summarization, entity detection, content safety, IAB…
- Auto Punctuation — Smart capitalization + punctuation.
- Keyterm Prompting — Boost accuracy for domain vocabulary.
- LeMUR (LLM framework) — Run LLMs over transcripts: Q&A, summary, action items.
- Medical Mode — Specialized for clinical + medical vocabulary.
- PII Redaction — Auto-redact credit cards, SSNs, addresses, emails.
- Pre-recorded Transcription — Upload audio/video URL or file → transcript.
- Realtime Streaming — WebSocket-based low-latency STT.
- Speaker Diarization — Identify who spoke when.
- Webhooks — Auto-notify when transcription finishes.
Developer interfaces
| Kind | ElevenLabs | AssemblyAI |
|---|---|---|
| SDK | elevenlabs (Node), elevenlabs (Python) | assemblyai-go, assemblyai (Node), assemblyai (Python), assemblyai (Ruby) |
| REST | ElevenLabs REST API | AssemblyAI REST API |
| MCP | ElevenLabs MCP | — |
| OTHER | Webhooks, WebSocket Streaming | Streaming WebSocket, Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to ElevenLabs and AssemblyAI are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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