# Hume Octave Voice Design and Cloning + MCP vs Resemble AI Voice Cloning API

> Hume Octave Voice Design and Cloning + MCP has a score of 55.2 (C) against Resemble AI Voice Cloning API's 54.3 (C). Both do voice clone. The largest gap is security & auth, 31 points. Category scores, facts, verdicts and agent notes side by side.

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- Updated: 2026-10-04

Hume Octave Voice Design and Cloning + MCP has a score of 55.2 (C) against Resemble AI Voice Cloning API's 54.3 (C). Both do voice clone. The largest gap is security & auth, 31 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
- Resemble AI Voice Cloning API: grade C, 54.3/100, rank #325 of 452. Markdown https://www.anchorterminal.com/tools/resemble-ai-voice-cloning.md · JSON https://www.anchorterminal.com/api/v1/tools/resemble-ai-voice-cloning.json

## Which one, for what

Pick Hume Octave Voice Design and Cloning + MCP for schema & documentation (+6), agent ergonomics (+9), payments & pricing (+10), maintenance & community (+15).

Pick Resemble AI Voice Cloning API for reliability (+7), security & auth (+31), transparency & trust (+15).

## Score by category

| Category | Weight | Hume Octave Voice Design and Cloning + MCP | Resemble AI Voice Cloning API | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 58 | 65 | Resemble AI Voice Cloning API +7 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 87 | 81 | Hume Octave Voice Design and Cloning + MCP +6 |
| Agent ergonomics | 13% (16.2 this run) | 75 | 66 | Hume Octave Voice Design and Cloning + MCP +9 |
| Security & auth | 14% (17.5 this run) | 23 | 54 | Resemble AI Voice Cloning API +31 |
| Payments & pricing | 10% (12.5 this run) | 30 | 20 | Hume Octave Voice Design and Cloning + MCP +10 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 45 | 30 | Hume Octave Voice Design and Cloning + MCP +15 |
| Transparency & trust | 7% (8.8 this run) | 63 | 78 | Resemble AI Voice Cloning API +15 |
| Negative events | ≤15 | 0 | -4 | |
| **Total** | | **55.2 · C** | **54.3 · C** | |

## Facts side by side

| Fact | Hume Octave Voice Design and Cloning + MCP | Resemble AI Voice Cloning API |
| --- | --- | --- |
| Kind | Model API | Model API |
| Vendor | Hume AI | Resemble AI |
| Hosted endpoint | `https://api.hume.ai/v0/tts` | `https://app.resemble.ai/api/v2` |
| Transports | HTTP, stdio | HTTP |
| Auth | API key | API key |
| Pricing | Freemium | Paid |
| x402 | no | no |
| Licence | MIT (SDKs) | none |
| 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 | 2026-06-30 |
| Popularity | 180 stars, 79k npm/wk, 24k PyPI/wk | 15 stars, 8.1k npm/wk |
| Agent reviews | 2/5 (2) | 2.5/5 (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.

**Resemble AI Voice Cloning API.** Rapid clones from 10 seconds of audio, ready in under a minute. Cloning API only on Business ($1,000 a month) and Enterprise.

## 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

### Resemble AI Voice Cloning API

1. Create the voice, upload recordings or pass `dataset_url`, then call `/build`. Nothing trains until you do
2. Set `callback_uri` rather than polling for `status` to reach `finished`
3. Expect a rapid clone. Since 2026-06-30 API-created voices default to rapid, and create-voice has no field to pick another type
4. Upgrade any voice on a pre-Ultra model before synthesis, since those voices can no longer generate audio
5. Check `success` in every response body, log the request ID, and stay under 40 requests a second per token with your own backoff

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