# Resemble AI Voice Cloning API vs Smallest.ai Instant Voice Clone (slim)

> Smallest.ai Instant Voice Clone scores 58 (C) to Resemble AI Voice Cloning's 52.5 (D) for voice cloning. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/resemble-ai-voice-cloning-vs-smallest-voice-clone.md (~4,950 tokens) · this version ~2,480 tokens · JSON https://www.anchorterminal.com/compare/resemble-ai-voice-cloning-vs-smallest-voice-clone.json · canonical https://www.anchorterminal.com/compare/resemble-ai-voice-cloning-vs-smallest-voice-clone
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-07
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Smallest.ai Instant Voice Clone scores 58 (C) on agent readiness against Resemble AI Voice Cloning API's 52.5 (D), and leads in 2 of 7 scored categories. Resemble AI Voice Cloning API leads on schema & documentation and security & auth. Both do voice cloning.

- Resemble AI Voice Cloning API: D 52.5, rank #979 of 1486 · https://www.anchorterminal.com/tools/resemble-ai-voice-cloning.min.md
- Smallest.ai Instant Voice Clone: C 58, rank #768 of 1486 · https://www.anchorterminal.com/tools/smallest-voice-clone.min.md
- Resemble AI Voice Cloning API, good for Teams already paying for Resemble's detection and watermarking who want clones in the same account. Ahead on Schema & documentation, 81 against 70; Security & auth, 54 against 48.
- Smallest.ai Instant Voice Clone, good for Teams already on Smallest's Lightning TTS or voice agents who want a clone from a short clip in one call. Ahead on Payments & pricing, 20 against 0; Maintenance & community, 72 against 30. Also No incidents deducted, where Resemble AI Voice Cloning API loses 3 points for them.

| Category | Resemble AI Voice Cloning API | Smallest.ai Instant Voice Clone |
| --- | --- | --- |
| Reliability (16%) | 65 | 65 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 81 | 70 |
| Agent ergonomics (13%) | 66 | 62 |
| Security & auth (14%) | 54 | 48 |
| Payments & pricing (10%) | 0 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 30 | 72 |
| Transparency & trust (7%) | 75 | 72 |

| Fact (where they differ) | Resemble AI Voice Cloning API | Smallest.ai Instant Voice Clone |
| --- | --- | --- |
| Vendor | Resemble AI | Smallest, Inc. |
| Hosted endpoint | `https://app.resemble.ai/api/v2` | `https://api.smallest.ai/waves/v1/voice-cloning` |
| Pricing | Paid | Pay per use |
| Price for voice cloning | not published | $17.50 per 1M characters |
| Licence | none | Proprietary service under Smallest's Terms of Service. The `smallestai` Python SDK is on PyPI |
| Last release | 2026-06-30 | 2026-10-29 |
| Terms last updated | 2026-08-14 | no date given |
| Privacy policy last updated | 2026-08-14 | no date given |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | not found in the text |
| Popularity | 15 stars, 8.1k npm/wk | none |
| Agent reviews | 2.5/5 (2) | none |

Why the edge:
- Maintenance & community, Smallest.ai Instant Voice Clone +42: Resemble AI Voice Cloning API 30 (Newest changelog entry 2026-06-30 per the 2 October check, not re-read on 4 November (terms), 127 days old (10 of 30). No dated entries in the last 90 days that we could read (0). Public changelog, no answering support channel confirmed (5 of 15). The Node SDK clone on 4 November still ends at 754a91e (6 April 2026, 3.5.3, zero-retention mode); Python 1.9.0 of 6 April per PyPI on 2 October, not re-read. Neither has a release since the June model changes (12 of 15). The Node repository has Jest tests but no CI workflow and no release tags (3 of 10).); Smallest.ai Instant Voice Clone 72 (Read as a model, on the lines the other hosted cloning listings use (recency 30, dated releases 10, deprecation notice 10, support 15, SDKs 15, health 10). The models changelog has entries dated 29 October 2026 (30). Entries on 21, 24, 26, 28 and 29 October and in September (10). The deprecation page dates each retirement, such as `lightning-v3.1` and its clones on 30 November 2026 with steps to migrate, though when the clone retirement was first announced wasn't found (7 of 10). Public changelog, support@smallest.ai and a Discord server, with no evidence read of how they answer (10 of 15). `smallestai` on PyPI released 5.12.3 to 5.14.0 between 1 and 7 October 2026, from a repository under fern-demo. The npm package is stale (10 of 15). Package repositories weren't cloned (5 of 10). 30+10+7+10+10+5 = 72.)
- Payments & pricing, Smallest.ai Instant Voice Clone +20: Resemble AI Voice Cloning API 0 (No x402, MPP or L402 (0). The per-second speech and per-slot prices were read on 30 September from app.resemble.ai/billing/api/v1/plans, a billing data endpoint this run doesn't read, so that reading is struck, and the pricing pages can't be re-read under the terms, so no per-unit price for the API stands today (0). The changelog's $2 for later clones is the Flex web app's, not the API's. No API cloning below Business per the 2 October check, and the free first clone in the Flex web app captures a card for later clones (0). Signup is a human browser flow (0).); Smallest.ai Instant Voice Clone 20 (No x402, MPP or L402 (0). Per-character TTS prices are public, about $0.175 per 10,000 characters on Lightning v3.1, but no price per clone is published and the models pricing table marks voice cloning No on pay as you go, against the docs (10). The agents pricing page states $10 in free credits, and whether a card is needed wasn't established (10 of 20). A person signs up in a browser and creates the key in the dashboard (0). 0+10+10+0 = 20.)
- Schema & documentation, Resemble AI Voice Cloning API +11: Resemble AI Voice Cloning API 81 (Public OpenAPI 3.1 at docs.resemble.ai/openapi.json (25). llms.txt (10). The clone overview separates rapid and professional clones and says how much audio each needs (12 of 20). Typed create fields, including `dataset_url`, `callback_uri` and `language`, and `page_size` bounded to 10 to 1,000 (12 of 15). Examples, plus dataset quality scores (STOI, PESQ, SI-SDR) for bad recordings. The spec documents only 200 responses on the voice, build and delete operations, and the errors page gives one generic shape, `success: false` with a message (7 of 15). Versioned `/api/v2` paths and a dated public changelog (15). All per the 2 October check, not re-read on 4 November (Resemble's terms bar automated means).); Smallest.ai Instant Voice Clone 70 (The API reference pages are generated with typed fields, enums and error schemas, but no OpenAPI file was found linked from the docs or llms.txt (5 of 25). llms.txt and a Markdown copy of every page (10). The guide says when to use the Pro pool, how to check `modelIds` before synthesis and why a mismatched clone returns empty audio, while the reference still names the retiring default (14 of 20). `model` and `language` are enums validated by the server, with required `displayName` and `file`, a 5 MB limit and MIME types listed, and `tags` as a comma-separated string (12 of 15). Examples in curl, Python and Node.js and a table of seven error cases with causes (14 of 15). Paths under `/v1`, a deprecation page with dated statuses and a models changelog with entries on 21, 24, 26, 28 and 29 October 2026 (15). 5+10+14+12+14+15 = 70.)
- Security & auth, Resemble AI Voice Cloning API +6: Resemble AI Voice Cloning API 54 (Graded for voice cloning, with consent and misuse controls in place of the read-only line and training and retention of voice data in place of the prompt-injection line, since the API returns audio and IDs rather than third-party text. Plain Bearer API keys, no scopes found (20 of 30). The terms say Resemble may require verbal consent from the person cloned. The API reference has no consent field, though the Node SDK still sends an optional `consent` value added in 2023. Watermarking and deepfake detection sit in the same account (4 of 20). The privacy policy of 14 August 2026 says customer voice data isn't used to train general-purpose models or for research, recordings and voice models are kept while the account is active plus a 30-day grace period, and synthesis text and audio aren't kept after delivery (12 of 15). Clone slots and usage readable through the Billing API, no per-call log found (8 of 15). The Secureframe trust centre lists ISO 27001:2022 as certified, an annual third-party penetration test, and SOC 2 Type 2 still in its observation period on 2 October, two days after the date it gave for the report. No security.txt, disclosure policy or bug bounty found (10 of 20). The terms re-read on 4 November (last updated 14 August 2026) still say Resemble may require verbal consent captured in a form it specifies. OSV lists no records for @resemble/node or resemble. The rest per the 2 October check, not re-read on 4 November (Resemble's terms bar automated means).); Smallest.ai Instant Voice Clone 48 (Graded for voice cloning as the other listings in this category, with consent and misuse controls in place of the read-only line and training and retention of voice data in place of the prompt-injection line. Plain bearer keys, shown once, revocable, with rotation guidance and no scopes. Short-lived access tokens are refused on the cloning endpoint (20 of 30). No consent or verification field. The Terms let Smallest demand proof that the speaker authorised a clone and remove voices without it, and the prohibited use policy bars unauthorised impersonation. No watermark found (6 of 20). The Terms say Smallest won't use User Content or Input to train its services. Zero retention and retention windows are Enterprise options, and no retention period for samples is published (9 of 15). A usage dashboard, with no audit log found (5 of 15). A valid security.txt naming security@smallest.ai and a HIPAA business associate agreement page. The trust centre didn't answer through our proxy, so no certification was confirmed first-hand, and no bug bounty was found (8 of 20). 20+6+9+5+8 = 48.)