# ElevenLabs vs eSpeak NG

**Leader by Vioscale score:** ElevenLabs

| Attribute | ElevenLabs | eSpeak NG |
|---|---|---|
| **Vioscale score** | 67.8 (43% (low)) | 49.5 (26% (low)) |
| activity.commits_last_30d | - | 36 |
| adoption.github_stars | - | 6,762 |
| deployment.options | `{"cloud":true}` | `{"self_hosted":true}` |
| description.long | Comprehensive AI audio platform offering text-to-speech, speech-to-text transcription, voice agents, music generation, and audio dubbing across 70+ languages. Serves creators, businesses, and developers with both API access and no-code studio interfaces. | A lightweight open source text-to-speech engine that converts written text into spoken audio using formant synthesis. Available as a command-line tool and C/library for integration across Linux, Windows, Android, and other platforms. |
| integrations.count | 1 | 3 |
| integrations.list | `[{"name":"Twilio"}]` | `[{"name":"MBROLA"},{"name":"SAPI5"},{"name":"C API library integration"}]` |
| language.primary | - | C |
| license.spdx | - | GPL-3.0 |
| market.availability | `{"hqCountry":"GB","primaryMarkets":["US","GB"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"mac":true,"linux":true,"android":true,"windows":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"$0/month, 10k credits","features":["Text to Speech","Speech to Text","3 Projects in Studio"],"minSeats":1,"commitment":"monthly","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"credits":"10k/mo"}},{"free":false,"name":"Starter","summary":"$6/month, 30k credits","features":["Everything in Free","Commercial License","Instant Voice Cloning","Image & Video"],"minSeats":1,"commitment":"monthly","components":[{"kind":"fixed","amount":6,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"credits":"30k/mo"}},{"free":false,"name":"Creator","summary":"$22/month, 121k credits (first month $11)","features":["Everything in Starter","Additional Credits"],"minSeats":1,"commitment":"monthly","components":[{"kind":"fixed","amount":22,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"credits":"121k/mo"}},{"free":false,"name":"Pro","summary":"$99/month, 600k credits","features":["Everything in Creator","44.1kHz PCM audio output via API","192kbps quality audio"],"minSeats":1,"commitment":"monthly","components":[{"kind":"fixed","amount":99,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"credits":"600k/mo"}},{"free":false,"name":"Scale","summary":"$299/month, 1.8M credits, 3 seats","features":["Everything in Pro","3 Workspace seats","Team Collaboration","3 Professional Voice Clones"],"minSeats":3,"commitment":"monthly","components":[{"kind":"fixed","amount":299,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"credits":"1.8M/mo"}},{"free":false,"name":"Business","summary":"$990/month, 6M credits, 10 seats","features":["Everything in Scale","10 Workspace seats","Custom terms"],"minSeats":10,"commitment":"monthly","components":[{"kind":"fixed","amount":990,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"credits":"6M/mo"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["Everything in Business","Custom SSO","More seats and voices","Elevated concurrency limits","Fully managed dubbing with Productions","Significant discounts at scale","Priority support","Custom credits and seats","BAAs for HIPAA customers"],"contactSales":true}],"addOns":[{"name":"Pay-as-you-go credits"}],"summary":"From free tier to enterprise. Monthly or annual billing (annual = 10 months cost). Credits shared across all products; rollover up to 2 months allowed.","currency":"USD","freeTier":true,"sourceUrl":"https://elevenlabs.io/pricing","retrievedAt":"2026-08-19T21:58:27.665Z","startingPrice":{"amount":6,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-19T22:01:16.060Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.starting_price | `{"amount":6,"currency":"USD"}` | - |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 799 |
| release.history | - | `[{"url":"https://github.com/espeak-ng/espeak-ng/releases/tag/1.52.0","date":"2024-12-12T13:47:27Z","type":"stable","version":"1.52.0"},{"url":"https://github.com/espeak-ng/espeak-ng/releases/tag/1.51","date":"2022-04-02T19:43:39Z","type":"stable","version":"1.51"},{"url":"https://github.com/espeak-ng/espeak-ng/releases/tag/1.50","date":"2019-12-02T12:34:16Z","type":"stable","version":"1.50"},{"url":"https://github.com/espeak-ng/espeak-ng/releases/tag/1.49.2","date":"2017-09-24T09:37:08Z","type":"stable","version":"1.49.2"},{"url":"https://github.com/espeak-ng/espeak-ng/releases/tag/1.49.1","date":"2017-01-21T21:20:08Z","type":"stable","version":"1.49.1"},{"url":"https://github.com/espeak-ng/espeak-ng/releases/tag/1.49.0","date":"2016-09-10T10:20:46Z","type":"stable","version":"1.49.0"}]` |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.scorecard | - | 4.5 |
| security.soc2 | yes | - |

## Capabilities (Text To Speech)

| Capability | ElevenLabs | eSpeak NG |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Voice cloning | - | - |
| Zero shot cloning | - | - |
| Streaming synthesis | - | - |
| Ssml support | - | - |
| Emotion style control | - | - |
| On device offline | - | - |
| Open source | - | - |
| Watermarking provenance | - | - |
| Cloning consent verification | - | - |

*Source: Vioscale. Generated 2026-09-01T17:35:55.468Z. "-" = undocumented, not absent.*