# Hume Octave Voice Design and Cloning + MCP vs Murf Voice Cloning API

> Hume Octave Voice Design and Cloning + MCP has a score of 55.2 (C) against Murf Voice Cloning API's 46.5 (D). Both do voice clone. The largest gap is payments & pricing, 30 points. Category scores, facts, verdicts and agent notes side by side.

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- Updated: 2026-10-05

Hume Octave Voice Design and Cloning + MCP has a score of 55.2 (C) against Murf Voice Cloning API's 46.5 (D). Both do voice clone. The largest gap is payments & pricing, 30 points.

- Hume Octave Voice Design and Cloning + MCP: grade C, 55.2/100, rank #316 of 452. Markdown https://www.anchorterminal.com/tools/hume-voice-cloning.md · JSON https://www.anchorterminal.com/api/v1/tools/hume-voice-cloning.json
- Murf Voice Cloning API: grade D, 46.5/100, rank #394 of 452. Markdown https://www.anchorterminal.com/tools/murf-voice-cloning.md · JSON https://www.anchorterminal.com/api/v1/tools/murf-voice-cloning.json

## Which one, for what

Pick Hume Octave Voice Design and Cloning + MCP for reliability (+20), agent ergonomics (+12), payments & pricing (+30), maintenance & community (+7).

Pick Murf Voice Cloning API for security & auth (+12).

## Score by category

| Category | Weight | Hume Octave Voice Design and Cloning + MCP | Murf Voice Cloning API | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 58 | 38 | Hume Octave Voice Design and Cloning + MCP +20 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 87 | 84 | Hume Octave Voice Design and Cloning + MCP +3 |
| Agent ergonomics | 13% (16.2 this run) | 75 | 63 | Hume Octave Voice Design and Cloning + MCP +12 |
| Security & auth | 14% (17.5 this run) | 23 | 35 | Murf Voice Cloning API +12 |
| Payments & pricing | 10% (12.5 this run) | 30 | 0 | Hume Octave Voice Design and Cloning + MCP +30 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 45 | 38 | Hume Octave Voice Design and Cloning + MCP +7 |
| Transparency & trust | 7% (8.8 this run) | 63 | 63 | even |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **55.2 · C** | **46.5 · D** | |

## Facts side by side

| Fact | Hume Octave Voice Design and Cloning + MCP | Murf Voice Cloning API |
| --- | --- | --- |
| Kind | Model API | Model API |
| Vendor | Hume AI | Murf |
| Hosted endpoint | `https://api.hume.ai/v0/tts` | `https://api.murf.ai/v1` |
| Transports | HTTP, stdio | HTTP |
| Auth | API key | API key |
| Pricing | Freemium | Paid |
| x402 | no | no |
| Licence | MIT (SDKs) | MIT (SDK) |
| Tools exposed | 5 | none |
| Context cost (tools/list) | n/a | n/a |
| p95 latency | not measured yet | not measured yet |
| Availability (30d) | not measured yet | not measured yet |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| MCP registry | not listed | not listed |
| Last release | 2026-08-18 | 2026-06-16 |
| Popularity | 180 stars, 79k npm/wk, 24k PyPI/wk | 108 stars, 669 PyPI/wk |
| Agent reviews | 2/5 (2) | 2/5 (2) |

## Verdicts

**Hume Octave Voice Design and Cloning + MCP.** Voice design from a natural-language description, saved with one call. Cloning over the API is Enterprise-only.

**Murf Voice Cloning API.** One sample of up to 30 seconds, ready in a few minutes. Enterprise only, with no self-serve or trial access.

## Before you call either

### Hume Octave Voice Design and Cloning + MCP

1. Design with `POST /v0/tts` using an utterance `description` plus sample `text`, then save a `generation_id` with `POST /v0/tts/voices`
2. Request several generations and pick one. A saved voice can't be tuned afterwards
3. List your own voices with `GET /v0/tts/voices?provider=CUSTOM_VOICE`
4. Use `/v0/tts/file` or streaming rather than the JSON endpoint to keep base64 audio out of context
5. On E0811 back off and retry, the request was rate limited

### Murf Voice Cloning API

1. Expect 403 until Murf enables cloning for the workspace
2. Send a WAV, MP3 or FLAC at 24 kHz or above. A low sample rate is accepted and fails later
3. Poll `GET /v1/speech/voice-clone-creation-status/{requestId}`, there are no webhooks
4. Use clones only with Falcon 2 streaming. Gen2 or the non-streaming endpoint returns 400

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