apio

ElevenLabs Text to Speech

"Text to Speech with high quality, human-like AI voices" [1]

elevenlabs.io/text-to-speech · By ElevenLabs · Agent JSON · Suggest an edit · Last verified 2026-06-21 · Source confidence: high

ElevenLabs Text to Speech is a REST API delivering high-quality, human-like AI voices for use cases spanning voice agents, audiobook production, video narration, game character voiceovers, and real-time conversational AI, with support for over a dozen synthesis capabilities including streaming, voice cloning, and multilingual output. Pricing starts at $6/month for 30,000 characters on the Starter plan, with a free tier of 10,000 characters per month and self-serve signup requiring no sales call. The API holds SOC 2 Type 2, ISO 27001, HIPAA, GDPR, and PCI DSS certifications, and offers Python and Node.js SDKs plus an MCP server. Notable customers include the Washington Post, HarperCollins, ESPN, and NVIDIA.

Best for / Avoid if

Best for: Prototypes and side projects - free to start, no sales call; Regulated or enterprise workloads - compliance attestations and an enterprise plan; AI agents and automation - an agent-ready surface (MCP / llms.txt)

Pricing & procurement

Pricing model
Hybrid (base + usage) [2]
Published pricing
Yes [3]
Free tier
Yes [4]
Free tier details
Free plan at $0/month includes 10,000 credits per month (1 text character = 1 credit for standard models); no commercial rights on free tier.
Self-serve signup
Yes
Requires sales call
No
Enterprise plan
Yes [5]
Published prices
PlanItemPerAmountSource
FreeSpeech synthesis (plan fee)month$0source
FreeSpeech synthesis - Flash/Turbo models (included quota)20,000 characters/month$0source
FreeSpeech synthesis - Multilingual v2/v3 models (included quota)10,000 characters/month$0source
StarterSpeech synthesis (plan fee)month$6source
StarterSpeech synthesis - Flash/Turbo models (included quota)20,000 characters/month$0source
StarterSpeech synthesis - Multilingual v2/v3 models (included quota)10,000 characters/month$0source
CreatorSpeech synthesis (plan fee)month$22source
CreatorSpeech synthesis - Flash/Turbo models (included quota)120,000 characters/month$0source
CreatorSpeech synthesis - Multilingual v2/v3 models (included quota)60,000 characters/month$0source
ProSpeech synthesis (plan fee)month$99source
ProSpeech synthesis - Flash/Turbo models (included quota)440,000 characters/month$0source
ProSpeech synthesis - Multilingual v2/v3 models (included quota)220,000 characters/month$0source
ScaleSpeech synthesis (plan fee)month$299source
ScaleSpeech synthesis - Flash/Turbo models (included quota)1,980,000 characters/month$0source
ScaleSpeech synthesis - Multilingual v2/v3 models (included quota)990,000 characters/month$0source
BusinessSpeech synthesis (plan fee)month$990source
BusinessSpeech synthesis - Flash/Turbo models (included quota)5,980,000 characters/month$0source
BusinessSpeech synthesis - Multilingual v2/v3 models (included quota)2,990,000 characters/month$0source
Pay As You GoFlash/Turbo model speech synthesis (overage or standalone)1,000 characters$0.05source
Pay As You GoMultilingual v2/v3 model speech synthesis (overage or standalone)1,000 characters$0.1source

Capabilities

  • Real-time streaming
  • Voice cloning
  • Voice design
  • SSML control
  • Multilingual voices
  • Word timestamps
Supported actions
synthesize_speech, streaming_tts, instant_voice_cloning, professional_voice_cloning, voice_design, ssml_support, word_timestamps, speech_to_speech, multilingual_synthesis, pronunciation_dictionary, audio_tagging, voice_library_access, text_normalization, websocket_streaming, request_stitching [6]
Regions
United States, European Union, India, Singapore [7]
Languages
English (US), English (UK), English (AU), English (IN), Japanese, Chinese, German, Hindi, French, Korean, Portuguese, Italian, Spanish, Indonesian, Dutch, Turkish, Filipino, Polish, Swedish, Bulgarian, Romanian, Arabic, Czech, Greek, Finnish, Croatian, Malay, Slovak, Danish, Tamil, Ukrainian, Russian, Hungarian, Norwegian, Vietnamese, 70+ languages total via eleven_v3 model [8]
Input types
plain text, SSML, audio tags (Eleven v3 model) [9]
Output types
mp3, pcm, wav, opus, ulaw, alaw [10]
Webhooks
Yes [11]
Sandbox / test mode
No [12]
SDK languages
Python, Node.js, Python (MCP server) [13]
MCP server
Yes [14]

Trust & compliance

SOC 2
SOC 2 Type II [15]
HIPAA
Yes [16]
GDPR
Yes [17]
ISO 27001
Yes [18]
PCI DSS
Yes [19]
Published SLA
No [20]
Rate limits
TTS concurrency limits by plan: Free=2, Starter=3, Creator=5, Pro=10, Scale=15, Business=15 concurrent requests. Response headers expose current-concurrent-requests and maximum-concurrent-requests. Burst pricing allows up to 3x normal concurrency limit at double the standard rate. Flash v2.5 model inference latency ~75ms for typical short inputs. [21]
Known restrictions
Commercial usage rights require paid (Starter+) plan, MP3 192kbps output requires Creator tier or higher, PCM/WAV 44.1kHz requires Pro tier or higher, Professional Voice Cloning requires paid plan, Free tier restricted from voice library API access, HIPAA BAA only available for Enterprise tier subscriptions, Data residency (EU/India/Singapore) only available to Enterprise customers, Maximum 3 pronunciation dictionary locators per request, Maximum 3 request IDs for audio stitching per request, Character limit per request: 5,000 (Eleven v3), 10,000 (Multilingual v2), 40,000 (Flash v2.5), Several models deprecated for removal July 9, 2026: eleven_monolingual_v1, eleven_multilingual_v1, scribe_v1, eleven_turbo_v2_5, eleven_turbo_v2, Voice cloning requires consent from voice owner; platform enforces this, No publicly published uptime SLA; custom SLAs available for Enterprise only [22]

Developer surface

Docs rendering: static · llms.txt present

Integration

API style
rest
Base URL
https://api.elevenlabs.io/v1
Version
v1
Versioning
url
Stability
ga
Auth methods
api_key
Idempotency keys
No
Error format
vendor-specific
Webhook signing
hmac
Rate limit
2 / concurrent

SDKs

  • Python elevenlabs · repo
  • Node.js @elevenlabs/elevenlabs-js · repo
  • Python (MCP server) elevenlabs-mcp · repo

Adoption & maturity

Launched
2022-01-01
GA
2023-01-01
Notable customers
Washington Post, HarperCollins, TIME, The New Yorker, Bertelsmann, NVIDIA, ESPN, Paradox Interactive, Perplexity, Chess.com

Other Text-to-Speech APIs

  • Azure AI Text to Speech

    "Text to speech enables your applications, tools, or devices to convert text into human like synthesized speech. The text to speech capability is also known as speech synthesis. Use human like standard voices out of the box, or create a custom voice that's unique to your product or brand."

    Usage · free tier · public pricing · self-serve

  • Amazon Polly

    "Amazon Polly is a cloud service that converts text into lifelike speech. You can use Amazon Polly to develop applications that increase engagement and accessibility."

    Usage · free tier · public pricing · self-serve

  • Google Cloud Text-to-Speech

    "Cloud Text-to-Speech converts text or Speech Synthesis Markup Language (SSML) input into audio data of natural human speech."

    Usage · free tier · public pricing · self-serve

  • Cartesia (Sonic)

    "The fastest and most natural text to speech model"

    Hybrid · free tier · public pricing · self-serve

  • Murf AI

    "Enterprise-grade AI voice generation with 150+ natural-sounding voices across 35 languages and 20+ speaking styles."

    Usage · public pricing · self-serve

  • OpenAI Text to Speech (gpt-4o-mini-tts / tts-1)

    "Transform text into lifelike spoken audio" - OpenAI's TTS service enabling blog narration, multilingual audio production, and realtime voice output via gpt-4o-mini-tts, tts-1, and tts-1-hd models.

    Usage · public pricing · self-serve

ElevenLabs Text to Speech alternatives · ElevenLabs Text to Speech vs Azure AI Text to Speech · All Text-to-Speech APIs APIs

References

Each field above carries a numbered source - hover for a preview, click to jump here.

  1. ↑Description: elevenlabs.io
  2. ↑Pricing model: elevenlabs.io · elevenlabs.io
  3. ↑Published pricing: elevenlabs.io
  4. ↑Free tier: elevenlabs.io · elevenlabs.io
  5. ↑Enterprise plan: elevenlabs.io
  6. ↑Supported actions: elevenlabs.io
  7. ↑Regions: elevenlabs.io
  8. ↑Languages: elevenlabs.io
  9. ↑Input types: elevenlabs.io
  10. ↑Output types: elevenlabs.io
  11. ↑Webhooks: elevenlabs.io
  12. ↑Sandbox: elevenlabs.io
  13. ↑SDK languages: elevenlabs.io
  14. ↑MCP server: elevenlabs.io · github.com
  15. ↑SOC 2: compliance.elevenlabs.io · elevenlabs.io
  16. ↑HIPAA: elevenlabs.io · elevenlabs.io
  17. ↑GDPR: elevenlabs.io
  18. ↑ISO 27001: elevenlabs.io · compliance.elevenlabs.io
  19. ↑PCI DSS: elevenlabs.io
  20. ↑Published SLA: elevenlabs.io
  21. ↑Rate limits: help.elevenlabs.io
  22. ↑Known restrictions: elevenlabs.io · elevenlabs.io

Change history

Every field change, who made it, and when - from our audited data pipeline and editors.

  1. 2026-06-21 Capabilities: {} → {"ssml":true,"streaming":true,"multilingual":true,"voice_design":true,"voice_cl…
  2. 2026-06-21 Summary Md: (none) → ElevenLabs Text to Speech is a REST API delivering high-quality, human-like AI …
  3. 2026-06-21 Score Pricing Transparency: (none) → 100
  4. 2026-06-21 Score Setup Speed: (none) → 85
  5. 2026-06-21 Score Docs Quality: (none) → 55
  6. 2026-06-21 Score Procurement Friction: (none) → 100
  7. 2026-06-21 Score Trust Readiness: (none) → 80
  8. 2026-06-21 Best For: (none) → Prototypes and side projects - free to start, no sales call, Regulated or enter…
  9. 2026-06-21 Scoring Methodology: (none) → Scores are computed deterministically from this profile's published, sourced fi…
  10. 2026-06-21 Score Agent Friendliness: (none) → 65
  11. 2026-06-21 Llms Txt URL: (none) → https://elevenlabs.io/llms.txt
  12. 2026-06-21 Llms Txt Present: (none) → Yes
  13. 2026-06-21 Rendering: (none) → static
  14. 2026-06-21 Has Structured Data: (none) → Yes
  15. 2026-06-21 Robots Allows Agents: (none) → Yes
  16. 2026-06-21 API Reference URL: (none) → https://elevenlabs.io/api
  17. 2026-06-21 Status Page URL: (none) → https://status.elevenlabs.io
  18. 2026-06-21 Changelog URL: (none) → https://elevenlabs.io/changelog
  19. 2026-06-21 Docs URL: (none) → https://elevenlabs.io/docs/overview/intro
  20. 2026-06-21 Free Tier Details: set to Free plan at $0/month includes 10,000 credits per month (1 text character = 1 c…
  21. 2026-06-21 Self Serve Signup: set to Yes
  22. 2026-06-21 Requires Sales Call: set to No
  23. 2026-06-21 Enterprise Plan Available: set to Yes
  24. 2026-06-21 SOC 2: set to type_2
  25. 2026-06-21 HIPAA: set to Yes
  26. 2026-06-21 GDPR: set to Yes
  27. 2026-06-21 ISO 27001: set to Yes
  28. 2026-06-21 PCI DSS: set to Yes
  29. 2026-06-21 SLA Published: set to No
  30. 2026-06-21 Data Retention Policy URL: set to https://elevenlabs.io/privacy-policy
  31. 2026-06-21 Documented Rate Limits: set to TTS concurrency limits by plan: Free=2, Starter=3, Creator=5, Pro=10, Scale=15,…
  32. 2026-06-21 Rate Limit Requests: set to 2
  33. 2026-06-21 Rate Limit Window: set to concurrent
  34. 2026-06-21 Known Restrictions: set to Commercial usage rights require paid (Starter+) plan, MP3 192kbps output requir…
  35. 2026-06-21 Auth Methods: set to api_key
  36. 2026-06-21 Auth Docs URL: set to https://elevenlabs.io/docs/api-reference/authentication
  37. 2026-06-21 API Style: set to rest
  38. 2026-06-21 Base URL: set to https://api.elevenlabs.io/v1
  39. 2026-06-21 API Version: set to v1
  40. 2026-06-21 Versioning Scheme: set to url
  41. 2026-06-21 Stability: set to ga
  42. 2026-06-21 MCP URL: set to https://github.com/elevenlabs/elevenlabs-mcp
  43. 2026-06-21 Quickstart URL: set to https://elevenlabs.io/docs/eleven-api/quickstart
  44. 2026-06-21 Idempotency Supported: set to No
  45. 2026-06-21 Error Format: set to vendor-specific
  46. 2026-06-21 Webhook Signing: set to hmac
  47. 2026-06-21 Webhook Events URL: set to https://elevenlabs.io/docs/eleven-api/resources/webhooks
  48. 2026-06-21 Requires Verification: set to No
  49. 2026-06-21 Primary Use Cases: set to voice agents and chatbots, audiobook production, video and TV narration, video …
  50. 2026-06-21 Price Basis: set to month (30,000 characters on Starter; ~$200/1M chars)

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