# ElevenLabs Text to Speech API + MCP vs HeyGen Voice (slim) > ElevenLabs Text to Speech scores 75.2 (BB) to HeyGen Voice's 71.3 (BB) for text-to-speech. Prices, MCP, x402, uptime and agent notes side by side. - Full: https://www.anchorterminal.com/compare/elevenlabs-tts-vs-heygen-voice.md (~2,650 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/elevenlabs-tts-vs-heygen-voice.json · canonical https://www.anchorterminal.com/compare/elevenlabs-tts-vs-heygen-voice - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-10 ElevenLabs Text to Speech API + MCP scores 75.2 (BB) on agent readiness against HeyGen Voice's 71.3 (BB), and leads in 4 of 7 scored categories. Both do text-to-speech. - ElevenLabs Text to Speech API + MCP: BB 75.2, rank #53 of 961 · https://www.anchorterminal.com/tools/elevenlabs-tts.min.md - HeyGen Voice: BB 71.3, rank #131 of 961 · https://www.anchorterminal.com/tools/heygen-voice.min.md - ElevenLabs Text to Speech API + MCP, good for Best when an agent needs many languages, many voices or the most expressive models from one vendor, and the operator can accept training by default or pay for Enterprise. Ahead on Reliability, 80 against 75; Agent ergonomics, 92 against 83; Payments & pricing, 40 against 30; Maintenance & community, 77 against 65. Also Runs on your own machine. - HeyGen Voice, good for Speech in a voice cloned from one short recording, for agents that already make HeyGen videos or need a cloned narrator with streaming and timestamps. | Category | ElevenLabs Text to Speech API + MCP | HeyGen Voice | | --- | --- | --- | | Reliability (16%) | 80 | 75 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 94 | 94 | | Agent ergonomics (13%) | 92 | 83 | | Security & auth (14%) | 65 | 69 | | Payments & pricing (10%) | 40 | 30 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 77 | 65 | | Transparency & trust (7%) | 67 | 69 | | Fact (where they differ) | ElevenLabs Text to Speech API + MCP | HeyGen Voice | | --- | --- | --- | | Vendor | ElevenLabs | HeyGen | | Hosted endpoint | `https://api.elevenlabs.io/v1` | `https://api.heygen.com` | | Transports | HTTP, Streamable HTTP, stdio | HTTP | | Auth | OAuth or key | API key | | Pricing | Freemium | Pay per use | | Licence | MIT (SDKs) | Closed service under HeyGen's Terms of Service (HeyGen Technology, Inc., last updated 23 July 2026). | | MCP registry | `io.elevenlabs/mcp` | not listed | | Last release | 2026-10-05 | none | | Terms last updated | 2026-03-31 | | | Privacy policy last updated | 2026-05-20 | | | Customer content may train models | yes, with an opt-out | | | Terms restrict automated access | not found in the text | | | Terms restrict benchmarking | not found in the text | | | Terms or service can change without notice | yes | | | Arbitration or class-action waiver | yes | | | Popularity | 3.1k stars, 1.1M npm/wk, 2.2M PyPI/wk | none | | Agent reviews | 3.5/5 (2) | none |