Inworld AI vs ElevenLabs

Tagline

The #1 Realtime Voice AI with under 200ms latency, voice cloning, and state-of-the-art TTS.

Ultra-realistic AI voice generation and cloning

Category

Pricing

Rating

Platforms

API

Open source

Description

Inworld AI provides enterprise-grade, real-time voice AI capabilities including text-to-speech (TTS), speech-to-text (STT), voice cloning, and LLM routing. Designed for consumer apps scaling to millions of users, Inworld offers controllable speech-to-speech that understands, reasons, and interacts naturally over WebSocket connections with sub-second response times.

ElevenLabs offers state-of-the-art text-to-speech, dubbing, and voice cloning in 30+ languages.

Key features

• Text-to-speech with sub-200ms first-chunk latency
• Instant voice cloning from 5 to 15 seconds of audio
• Speech-to-text with voice profiling (emotion, style, accent, pitch)
• LLM Router supporting 220+ AI models on a single endpoint
• Natural-language steering of tone, speed, volume, and pauses
• Zero gateway markup on routed third-party models
• Localization and native delivery in over 100 languages
• A/B testing of models on real users with no deploys
• SOC 2 Type II certified security infrastructure
• GDPR and HIPAA compliance with automated protection workflows
• End-to-end encryption with AES for data in transit and at rest
• Enterprise Single Sign-On (SAML/OIDC integration)

• Emotion controls
• Multi-language

Pros

• Achieves sub-200ms first-chunk latency keeping the conversation feeling natural.
• Creates custom voices with only 5 to 15 seconds of audio sample, ready in seconds.
• Provides multi-lingual support spanning over 100 different languages with native-speaker quality.
• LLM Router passes third-party provider rates directly through with zero added markup.
• SOC 2 Type II certified and provides workflows compliant with GDPR and HIPAA.
• Integrates voice profiling to extract five paralinguistic metadata signals (emotion, style, accent, etc.) per audio chunk.
• Enables natural-language steering of voice parameters using bracketed markup instructions inside the text.
• Full OpenAI and Anthropic SDK compatibility through simple base URL configuration swaps.

• State-of-the-art voice quality
• 30+ languages
• Instant and Professional voice cloning
• Multilingual dubbing
• Developer API
• Sound-effect generation
• Speech-to-speech
• Free tier available

Cons

• Pricing estimates are based on Realtime TTS 1.5 Mini; actual costs can be higher with Max or Realtime TTS-2.
• LLM routing costs are billed separately at provider cost on default estimated plans.
• Pricing details for Developer, Growth, and Enterprise tiers are not fully outlined on the self-serve table.
• Outputs are not guaranteed to be completely accurate and may contain material inaccuracies.
• Financial details are entirely collected and managed by third-party payment processors.

• Voice cloning raises ethical concerns
• Character-based pricing
• Watermark on free tier
• Cloning needs quality samples
• Emotion artifacts on edge cases
• No native lip-sync tool
• Limited real-time streaming
• Advanced features gated to paid

Pricing plans

• FreeUSD0/month
  • • Text to Speech
  • • Speech to Text
  • • Sound Effects
  • • Voice Design
• StarterUSD6/month
  • • Everything in Free, plus
  • • Commercial License
  • • Instant Voice Cloning
  • • Dubbing Studio
• CreatorUSD22/month
  • • Everything in Starter, plus
  • • Professional Voice Cloning
  • • Additional Credits
• ProUSD99/month
  • • Everything in Creator, plus
  • • 44.1kHz PCM audio output via API
  • • 192kbps quality audio
• ScaleUSD299/month
  • • Everything in Pro, plus
  • • 3 Workspace seats
  • • Team Collaboration
  • • 3 Professional Voice Clones
• BusinessUSD990/month
  • • Everything in Scale, plus
  • • Low-latency TTS as low as 5c/minute
  • • 10 Professional Voice Clones
  • • 10 Workspace seats
• Enterprise—
  • • Everything in Business, plus
  • • Custom terms & assurance around DPA/SLAs
  • • Custom SSO
  • • Significant discounts at scale
• Flash / Turbo—
  • • Ultra-low latency (~75ms)
  • • 32 languages supported
  • • 40,000 character limit
• Multilingual v2 / v3—
  • • Low latency (~250-300ms)
  • • High quality voice generation
  • • 32 languages supported
  • • 40,000 character limit
• Scribe v2—
  • • Over 98% transcription accuracy
  • • Keyterm prompting
  • • 90+ languages supported
  • • Dynamic audio tagging
• Scribe v2 Realtime—
  • • Low latency (~150ms)
  • • 90+ languages supported
  • • Precise word-level timestamps
  • • Realtime transcription
• Speech Engine—
  • • Add voice to your chat agent
  • • Get leading models in a single pipeline
  • • Optimized for conversations
  • • Expressive voices in 70+ languages
• Music—
  • • 5 minute duration limit
  • • Commercial use licensing on Starter+ plans
  • • 44.1kHz, 128-192kbps audio
• Voice Isolator—
  • • Removes ambient sounds, reverb, and interference
  • • WAV, MP3, FLAC, OGG and AAC audio inputs
  • • Files up to 500MB/1 hour long
• Voice Changer—
  • • Fast real-time processing
  • • 10,000+ human-like voices
  • • 70+ languages supported
• Sound Effects—
  • • Generate custom sound effects
  • • Royalty-free
  • • MP3 (44.1kHz) or WAV (48kHz) output
• Dubbing v1—
  • • Automatic speaker detection
  • • 29 languages supported
  • • MP3, MP4, WAV, and MOV formats
• CreatorUSD11/month
  • • Most popular
  • • First month 50% off
  • • Cancel anytime
• FreeUSD0/month
  • • Workflow Builder
  • • Knowledge Base
  • • Multilingual
  • • Widget
• StarterUSD6/month
  • • Everything in Free, plus
  • • Text messages
  • • Commercial License
• CreatorUSD22/month
  • • Everything in Starter, plus
  • • Additional Minutes
• ProUSD99/month
  • • Everything in Creator, plus
• ScaleUSD299/month
  • • Everything in Pro, plus
  • • 3 Workspace Seats
• BusinessUSD990/month
  • • Everything in Scale, plus
  • • 10 Workspace seats
  • • 10 Professional Voice Clones
• Enterprise—
  • • Everything in Business, plus
  • • Custom terms & assurance around DPA/SLAs
  • • Custom SSO
  • • Significant discounts at scale

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