Eleven v4 and Eleven v4 Turbo are text-to-speech models from ElevenLabs for generating expressive, controllable speech through the web platform and API.
Why it matters
Stork Quadrant
Replaceable as a UI, but kept alive as the API the agents call.
“ElevenLabs has the best voice quality in the market right now, and that brand recognition is real among developers and creators. But voice synthesis is a capability race, not a moat — OpenAI, Google, and a dozen well-funded startups are closing the gap fast. The data moat from training on massive licensed voice corpora matters, but it's not proprietary forever. This is a strong product in a commoditizing category.”
An LLM alone could replace
Go vertical: own a specific high-stakes workflow like audiobook production, dubbing for film, or accessibility tooling where accuracy and consistency across hours of audio is non-negotiable. Alternatively, become the coordination layer — the API that agent pipelines call for voice — and lock in developers before the big platforms bundle this away.
overview
Eleven v4 and Eleven v4 Turbo is an AI text-to-speech tool that enables content creators, developers, and enterprises to generate controllable, expressive speech from text. Its architecture is designed to interpret scripts in a voice-actor-like manner, with emotion and audio events. The models are offered by ElevenLabs for narration, conversational AI, customer support, education, and entertainment.
features
Eleven v4 and Eleven v4 Turbo provide text-to-speech generation with controls for expressive delivery. The web product and API include voice, long-form audio, and voice-cloning capabilities.
use cases
ElevenLabs identifies content creators, developers, and enterprises as audiences for its speech products. Listed applications include narration, conversational AI, customer support, education, and entertainment.
how to use
Users can access Eleven v4 and Eleven v4 Turbo through ElevenLabs on the web or through its API. API requests use the documented authentication methods and are subject to tier-based concurrency and request limits.
pricing
ElevenLabs lists a Free Plan at $0 per month with 10,000 credits each month, a Premium Plan at $6 per month, and custom pricing for Enterprise. Usage above free limits is listed at $0.0006 per credit. The supplied pricing data gives a cost example of 10,000 credits for generating 10 minutes of audio; plan-specific credit allowances beyond the free tier are not specified here.
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Pricing Page
View Pricing→Similar Tools
The supplied comparisons distinguish ElevenLabs by expressive script interpretation and long-form production features, while alternatives emphasize local operation, open weights, streaming latency, or conversational direction. Performance figures and like-for-like prices are not provided for all products.
Trained specifically on conversational dialogue to natively insert interjections, laughter, and realistic prosodic breath pauses.
It runs completely locally without subscription fees, but you need your own GPU hardware and developer setup rather than a turnkey web studio interface.
Offers zero-shot emotional voice cloning and an open-weights model counterpart (Fish Speech) with low inference latency.
It is significantly more affordable and open-source friendly, but its stock library of pre-cleared commercial acting voices is smaller and less curated.
Uses a state-space architecture (Sonic) focused on sub-150ms real-time conversational streaming and direct emotion steering.
It rivals Eleven v4 Turbo on raw streaming speed and cost efficiency, but has fewer long-form narrative production features like sound effects synthesis.
Provides PlayDialog and fine-grained directional control over character interactions and pacing across conversational scripts.
It offers comparable script-reading features for podcast and multi-voice productions, but Eleven v4 Turbo generally achieves higher expressiveness on subtle emotional inflections.
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