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ElevenLabs vs AssemblyAI

A feature-by-feature comparison of ElevenLabs and AssemblyAI across 7 capability categories.

First tool

Try ElevenLabs (opens in a new tab)

Second tool

Try AssemblyAI (opens in a new tab)

Modalities — ElevenLabs Wins

Modalities: ElevenLabs compared with AssemblyAI
Feature	ElevenLabs	AssemblyAI
Text Input	Yes	Partial. Prompts steer Speech Understanding. Primary input is audio.
Image Upload / Vision	No	No. Speech platform, not vision.
Image Generation	No	No. Does not generate images.
Voice Mode	Yes	Yes, requires plus plan. Voice Agent WebSocket is a conversational speech product.
Video Understanding	No	No. Audio/speech focus.
Video Generation	No. Not a video generation product.	No. Not a video generation product.
File Upload (PDF, DOCX)	Yes	Partial. Upload audio/video files for async transcription.
Code Execution	No	No. STT APIs, not a code sandbox.
Audio Input	Yes	Yes, requires plus plan. Realtime and batch STT are the core product.
Canvas / Artifact Editor	No	No. Not a canvas product.
Screen Sharing / Computer Use	No	No. No computer-use product.

Memory & Context — Tie

Memory & Context: ElevenLabs compared with AssemblyAI
Feature	ElevenLabs	AssemblyAI
Persistent Memory	No	Partial. Voice Agent retains session context during a call.
Large Context Window	No	Unknown. Agent context limits were not checked.
Custom Instructions	No	Yes, requires plus plan. Configure Voice Agent prompts and guardrails.
Conversation History	Yes	Partial. Transcripts stored per job. Realtime is per-session.

Integrations — Tie

Integrations: ElevenLabs compared with AssemblyAI
Feature	ElevenLabs	AssemblyAI
Web Search / Browsing	No	Unknown. Web search in Voice Agent was not confirmed.
Plugins / Extensions	No	Partial. LLM Gateway and integrations connect upstream models.
API Access	Yes	Yes, requires plus plan. REST and WebSocket APIs for STT and Voice Agent.
Zapier Integration	No	Unknown. Zapier listing was not checked.
Custom GPTs / Bots	No	Yes, requires plus plan. Voice Agent is a deployable speech bot.
Real-time Collaboration	Yes	No. No multiplayer product.
Live Social Data Integration		No. No social firehose.
Live Citation Mapping		No. Not a cited-search product.

Developer — ElevenLabs Wins

Developer: ElevenLabs compared with AssemblyAI
Feature	ElevenLabs	AssemblyAI
Function Calling	No	Partial. Voice Agent can call tools via LLM Gateway.
Streaming Responses	Yes	Yes, requires plus plan. Realtime STT streams partial transcripts over WebSocket.
Fine-Tuning	Yes	Unknown. Custom STT was not confirmed on homepage.
Embeddings API	No	No. Not an embeddings product.
Structured Output (JSON)	No	Partial. Speech Understanding returns structured entities and summaries.
Reasoning / Thinking Mode	No	No. Not a reasoning LLM.
Local Execution		No. Cloud-only STT. Distinct from self-hosted Whisper.
Open Weights		No. Proprietary models and APIs.
Multi-Agent Orchestration		No. Single voice agent per session.

Platforms — ElevenLabs Wins

Platforms: ElevenLabs compared with AssemblyAI
Feature	ElevenLabs	AssemblyAI
Web App	Yes	Partial. Dashboard for API keys and playground.
iOS App	Yes	No. No iOS app.
Android App	Yes	No. No Android app.
Desktop App	No	No. No desktop app.
Chrome Extension	No	No. No Chrome extension.

Privacy — ElevenLabs Wins

Privacy: ElevenLabs compared with AssemblyAI
Feature	ElevenLabs	AssemblyAI
GDPR Compliant	Yes	Unknown. Compliance docs were not re-read.
Opt Out of Data Training	Yes	Unknown. Training policy was not checked.
Enterprise Privacy Mode	Yes	Yes, requires enterprise plan. Guardrails, EU data residency options, and enterprise contracts.

Workspaces — ElevenLabs Wins

Workspaces: ElevenLabs compared with AssemblyAI
Feature	ElevenLabs	AssemblyAI
Projects / Folders	Yes	Partial. Dashboard organizes API keys and usage.