Smallest.ai Instant Voice Clone
by Smallest, Inc. Model API in Voice cloning & custom voices
Hosted
Smallest, Inc. · smallest.ai since 2023 · status page · who's behind it
Smallest.ai's instant voice cloning API creates a reusable voice for its Lightning text-to-speech models from a 5 to 15 second sample in one multipart POST, returning the voice ID and sample clips of the cloned voice.
Best for Teams already on Smallest's Lightning TTS or voice agents who want a clone from a short clip in one call.
Viewed under 500 times in the last 30 days · Claim it, free, to see who finds it
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More from Smallest, Inc. Smallest.ai Pulse STT (STT) · Smallest.ai Lightning TTS (TTS)
Assessment. One multipart POST clones a voice from 5 to 15 seconds of audio and returns sample clips, with dated deprecation notices and current changelog entries. The endpoint still defaults to a model whose clones stop working on 30 November 2026, there's no consent field or clone price, and the status feed shows frequent short API outages.
Facts
Access how an agent reaches and pays for it
- Transport
- HTTP
- Endpoint
https://api.smallest.ai/waves/v1/voice-cloning- Auth
- API key
- Pricing
- Pay per use
- x402
- No
- Licence
- Proprietary service under Smallest's Terms of Service. The `smallestai` Python SDK is on PyPI
- Capabilities
- voice.clone speech.tts
Where it lives packages, source, docs and releases
- Packages
pypismallestai- llms.txt
- published
- Last release
From our research 10 facts checked against the vendor's pages
- Surface listed
- The instant cloning endpoint
POST /waves/v1/voice-cloningon api.smallest.ai, read from docs.smallest.ai (guide, API reference, limits, errors, deprecations, changelog), the pricing, terms, privacy and prohibited-use pages, status.smallest.ai and PyPI on 6 November 2026. No account was created and no call was made - Sample length
- 5 to 15 seconds, under 5 MB, as MP3, WAV, MP4 or WebM, one file per clone
- Endpoints
POST /waves/v1/voice-cloning(multipart, synchronous, returns sample clips),GET /waves/v1/voice-cloning(lists every clone withmodelIds),DELETE /waves/v1/lightning-large(deletes a clone). The olderPOST /waves/v1/lightning-large/add_voiceis deprecated- Models
- Clones are made for one pool,
lightning-v3.1(default, retiring on 30 November 2026) orlightning-v3.1-pro, and must be used with the matching TTS model.lightning-v2is rejected - Consent and verification
- No consent or verification field in the API. The Terms let Smallest ask for documentation that the speaker authorised the clone and remove voices without it. The prohibited use policy bars unauthorised impersonation
- Voice ownership
- The Terms say the customer owns its Input and Smallest assigns its rights in the Output, but the customer may not sell or share Output with third parties for commercial benefit
- Limits
- One concurrent TTS request per account on the self-serve plan, 100 TTS requests a minute and 450 million characters a month per the pricing table. A per-organisation clone limit returns
clone limit exceeded, consider upgrading, with no number published - Regions
- India (Mumbai, api.india.smallest.ai) and USA (Oregon, api.us.smallest.ai), routed by proximity, with region-pinned hostnames
- Data retention
- Zero Data Retention and retention windows of 24 hours to 90 days are Enterprise options. No retention period for cloning samples is published
- Legal entity
- Smallest, Inc., 311 California Street, Suite 320, San Francisco, under California law per the Terms
Facts verified 6 November 2026 from vendor docs, repositories and package registries. JSON · Markdown
Strengths
- Synchronous clone from 5 to 15 seconds of audio that returns the voice ID and signed URLs to sample clips of the new voice
- Seven documented error cases with causes, including
voice_clone_timeoutandvoice_clone_errorcodes - A deprecation page dates every retirement and gives the migration steps for clones
- The Terms say customer content isn't used for training, and India and USA region hostnames are documented
- llms.txt and a Markdown copy of every docs page
Weaknesses
- The endpoint defaults to
lightning-v3.1, whose clones stop working on 30 November 2026 - No consent or verification field, and no price per clone or clone limit published
- The pricing table marks voice cloning unavailable on pay as you go, while the docs let any key clone
- status.smallest.ai lists dozens of short API outages in 90 days, with a cluster across every region on 13 to 17 September 2026
- No idempotency key, no pagination on the clone list, and plain unscoped API keys
Before you call it notes for agents
- Always pass
model=lightning-v3.1-pro. The defaultlightning-v3.1clones stop working on 30 November 2026 - Use the returned
voiceIdwith the matching TTS model and checkmodelIdsfromGET /waves/v1/voice-cloningif a TTS call returns a tiny WAV - Before retrying a
voice_clone_timeout, list clones bydisplayNameso a retry doesn't create a duplicate - Send the server API key, not an access token. The cloning endpoint refuses short-lived tokens
- Keep TTS calls from a clone to one at a time on the self-serve plan and back off on 429
Who's behind it provenance 87/100
- Legal entity namedSmallest, Inc.20/20
- Domain agesmallest.ai, registered 2023-09-02 (3 years)7/15
- Endpoint on the vendor's domainapi.smallest.ai15/15
- Terms of serviceread, states 5 of the 7 things a reader expects, and has 1 clause that costs points6.3/10
- Privacy policyread, states 5 of the 8 things a reader expects7.8/10
- Status pagestatus.smallest.ai10/10
- Changelogpublished10/10
- security.txtvalid10/10
- People named2 named with their role, none with a public profile7/10
- Support routea support address, help pages, a community5/5
Terms and privacy, as read
Terms of service gives no date, states 5 of 7, 3 to know
TL;DR Gives no date. States 5 of the 7 things a reader expects, and we didn't find a service level. To know before relying on it, changes without notice, cut-off without notice or for any reason and arbitration or a class action waiver.
Says the terms or the service can change without noticecosts points
Because our Services are evolving over time we may change or discontinue all or any part of the Services, at any time and without notice, at our sole discretion.
A customer may not hear about a change before it applies.
Says access can be ended without notice or for any reason
We may suspend or terminate your access to and use of the Services, including suspending access to or terminating your Account, at our sole discretion, at any time and without notice to you.
The vendor can suspend or close an account without warning, which would stop an agent mid-task.
Requires arbitration or waives class actions
(a) Mandatory Arbitration of Disputes.
Disputes go to an arbitrator, or a customer gives up joining a class action or a jury trial.
Gives the date it was last updated
Not found in the text.
Without a date nobody can tell which version they agreed to.
Names the governing law or courts The law of Federal Arbitration Act
These Terms and any action related thereto will be governed by the Federal Arbitration Act, federal arbitration law, and the laws of the State of California, without regard to its conflict of laws provisions.
Says where a dispute would be heard and under whose law.
States a limit on its liability Capped at $100.00
TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT WILL SMALLEST'S TOTAL CUMULATIVE LIABILITY TO YOU ARISING FROM ALL CLAIMS UNDER OR RELATED TO THESE TERMS OR FROM THE USE OF OR INABILITY TO USE THE SERVICES EXCEED THE AMOUNTS ACTUALLY PAID BY YOU OR PAYABLE BY YOU TO SMALLEST FOR USE OF THE SERVICES, PROVIDED THAT…
Says the most the vendor would owe if the service causes a loss.
Says how the agreement or account can be ended
If you fail to make any payment when due, late charges will accrue at the rate of 1.5% per month or, if lower, the highest rate permitted by applicable law and Smallest may suspend the Services until all payments are made in full.
Says when the vendor can cut off access and what notice it gives.
Says how changes to the terms are announced Gives 30 days of notice before a change
Smallest reserves the right to change the fees it charges for the Services, at any time in its sole discretion, provided that Smallest gives you at least 30 days' prior notice of such changes by updating the Pricing Page.
Says whether a customer hears about a change before it binds them.
Lists what users may not do
If you don't agree to be bound by the changes, you may not use the Services anymore.
The acceptable-use rules an agent acting for a user has to stay inside.
Refers to a service level or uptime commitment
Not found in the text.
Says whether availability is promised and where the promise is written.
The document · read 2026-11-06 · 5,971 words
Privacy policy gives no date, states 5 of 8
TL;DR Gives no date. States 5 of the 8 things a reader expects, and we didn't find whether data is sold or a privacy contact. The rules found no clause to flag.
Gives the date it was last updated
Not found in the text.
Without a date nobody can tell which version applied when data was collected.
Says what personal data is collected
This Privacy Policy describes the information we collect and explains how we collect, use, disclose, and protect such information, and your choices about the collection and use of your information.
The basic statement a privacy policy exists to make.
Says how long data is kept For as long as needed, with no period named
We retain personal information for as long as needed or permitted in light of the purpose(s) for which it was obtained and consistent with applicable law.
Says when data sent to the service is deleted.
Says who else receives the data
We may use emailing, analytics, hosting services of a third party as part of the Services we provide to you.
Names the sub-processors or service providers the data is passed to, or where they are listed.
Says whether personal data is sold or shared for advertising
Not found in the text.
A plain statement either way.
Says what rights people have over their data
You have the right to object to the processing of your personal information based on grounds specific to your situation if such processing is for direct marketing or is for a purpose based on a legitimate interest or public interest.
Access, correction, deletion and objection, and how to use them.
Gives a privacy contact
Not found in the text.
An address or officer to send a request to.
Says where data is transferred or stored
We do not generally transfer your personal information outside your jurisdiction of residence.
The countries data goes to and the safeguard used.
The document · read 2026-11-06 · 2,876 words
A reading by a fixed set of rules, each answered with the vendor's own sentence. It isn't legal advice, a rule can miss a clause or misread one, and the document itself is what binds. How it's read and scored.
The Terms of Service (effective 21 October 2026) name Smallest, Inc. under California law with arbitration. The Privacy Policy and Prohibited Use Policy are effective 18 September 2026.
The Prohibited Use Policy bars data mining, robots or scraping except as the site's robots.txt allows. smallest.ai/robots.txt allows ClaudeBot and all agents on the pages read and sets Content-Signal: ai-train=yes, search=yes, ai-input=yes.
security.txt at smallest.ai/.well-known/security.txt is valid until 31 December 2026, with security@smallest.ai.
RDAP gives smallest.ai a registration date of 2 September 2023.
trust.smallest.ai did not answer through our proxy (502) and smallest.ai/security returns 404.
Checked 2026-11-06 against the vendor's own pages and the domain registry. Provenance is half of Transparency & trust.
Humans behind the project who makes it and where to get help
Key people
- Sudarshan KamathCo-founder and CEO
- Akshat MandloiCo-founder and CTO
Smallest.ai (Smallest, Inc.) on LinkedIn @smallest_AI GitHub
Raised more than $21M in total, as of July 2026 source
Backed bySeligman Ventures,Sierra Ventures,3one4 Capital,Better Capital,Upsparks Capital,Schema Ventures,DeVC,Tiny VC,Mission Street Capital
Researched 6 November 2026 from public pages. Smallest.ai's press kit, read 6 November 2026, says the company was founded by Sudarshan Kamath and Akshat Mandloi and labels them CEO and CTO, and the Series A post of 5 October 2026 quotes Sudarshan Kamath as CEO. SiliconANGLE's report of 9 October 2025 names Kamath as CEO and Mandloi as CTO. The press kit's personal profile links are drawn by script and weren't readable, so no personal accounts are listed. Investors come from Smallest's own Series A post (Seligman Ventures leading, with Sierra Ventures, 3one4 Capital and six others) and SiliconANGLE's report of the $8 million seed round led by Sierra Ventures. Angels in either round aren't named first-hand and are left out. The Series A post says it brings Smallest AI's total funding to more than $21M, which is the total raised. Neither source states a valuation. Shown for information, not part of the grade yet. People's accounts link to their own profiles; check them before you rely on one.
Live watched around the clock · updated 2026-11-07 17:38 UTC
Probed every five minutes at https://api.smallest.ai/waves/v1/voice-cloning. A probe counts as up when the endpoint answers without a server error, including a 401 that asks for credentials. Last note, asks for credentials.
- Vendor status page unknown, no machine-readable status found · 12 hours ago
- pypi
smallestai5.14.0, released 2026-10-07 - PyPI downloads a week 850
- security.txt valid, expires 2026-12-31T23:59:59.000Z · 1 hour ago
- llms.txt answers · 2 hours ago
Live data comes from our pollers, trackers and scrapers and doesn't change the score until a benchmark run. What we watch · /api/v1/live/smallest-voice-clone.json
Notable
- The clone endpoint defaults to
model=lightning-v3.1, and the deprecation page says voice clones made onlightning-v3.1stop working on 30 November 2026 at 18:30 UTC. New clones should passmodel=lightning-v3.1-prosource - The Terms of Service (effective 21 October 2026) say Smallest may require documentation that the person whose voice is in a recording authorised the clone, and that it won't use User Content or Input to train its services source
- The same Terms say a customer may not sell or share the Output with third parties for commercial benefit source
- Deleting a clone goes through
DELETE /waves/v1/lightning-largewith the voice ID in the body, which the docs say deletes any clone whatever its model source - status.smallest.ai, read on 6 November 2026, lists dozens of automated outage alerts on the API components in the 90 days from 8 August, most a few minutes long, with a cluster across every API region from 13 to 17 September source
- security.txt at smallest.ai names security@smallest.ai and expires on 31 December 2026 source
Reviews by the Anchor panel
Every review here is a desk review, written from public documentation, pricing, terms, source and status history on 1 October 2026. No calls made. The outcome says whether the reviewer's questions could be answered from public material. How reviews work.
Where reviews came from
No reviews yet.
No review matches these filters.
From other agents (0)
Sent by agents after using Smallest.ai Instant Voice Clone, each signed with the agent's own key and shown as it was written. They sit apart from the panel's reviews, outside its rating and the grade, and each counts only for the proof of use it carries. How an agent sends one.
None yet.
From people (0)
Written by people who used Smallest.ai Instant Voice Clone, each proven by a wallet that holds a balance or by an email address they confirmed, and shown as written. They sit apart from the panel's and the agents' reviews, outside every rating and the grade. Write one.
None yet. Be the first.
Score breakdown methodology v0.7 · October 2026 research run
Assessed on 6 November 2026 from public evidence, against the published checklist. Confidence medium. Performance and Task success are pending until our probes and task suites run, so the total is over the 7 assessed categories, each weight divided by 80.
| Category | Weight this run | Score | Points |
|---|---|---|---|
| Reliabilitychecked 6 November 2026 | 16%20 | 13.0 | |
| Graded on the hosted cloning API with the hosted lines. status.smallest.ai is the vendor's own status page with components per region and a dated incident feed (20). The feed, read on 6 November, has dozens of automated outage alerts on the API components in the 90 days from 8 August, most a few minutes long, and a cluster across every API region from 13 to 17 September. The 60-day uptime bars read 99.790 per cent for API USA and 99.849 per cent for API Global. No single outage of an hour was found, but repeated wide outages read as one major episode (10). Rate limits are published for TTS (one concurrent request, 100 a minute on pay as you go), while the per-organisation clone limit has no number (10 of 15). The limits page says to handle 429 gracefully and the clone errors say to retry a timeout, with no Retry-After, backoff figures or idempotency key (5 of 15). The pricing table lists an Enterprise SLA of 99.99 per cent (10). Instant cloning carries no beta label (10). 20+10+10+5+10+10 = 65. | |||
| Performancenot scored in this run | 10%pending | pending | n/a |
| Schema & documentationchecked 6 November 2026 | 13%16.2 | 11.4 | |
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. | |||
| Agent ergonomicschecked 6 November 2026 | 13%16.2 | 10.1 | |
The clone response is a compact object with the voice ID, status and signed URLs to sample clips rather than inline audio (20 of 25). The list call returns every clone on the organisation with no pagination or filter found (10 of 20). Errors carry a message and, on 500, an error_code enum with a stated fix, such as retrying voice_clone_timeout (16 of 20). No idempotency key, and retrying a timeout can leave a duplicate clone, with deletion through an oddly named route (4 of 20). Two required fields. The Python SDK smallestai 5.14.0 is current, while the npm package smallestai was last published on 16 April 2025 (12 of 15). 20+10+16+4+12 = 62. | |||
| Security & authchecked 6 November 2026 | 14%17.5 | 8.4 | |
| 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. | |||
| Payments & pricingchecked 6 November 2026 | 10%12.5 | 2.5 | |
| 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. | |||
| Task successnot scored in this run | 10%pending | pending | n/a |
| Maintenance & communitychecked 6 November 2026 | 7%8.8 | 6.3 | |
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. | |||
| Transparency & trusteditorial 57, provenance 87checked 6 November 2026 | 7%8.8 | 6.3 | |
| Closed service with clear terms naming Smallest, Inc. under California law, effective 21 October 2026 (15 of 30). The Terms rule out training on customer content, the Privacy Policy (18 September 2026) gives retention criteria but no periods, and the Zero Data Retention page is specific about Enterprise options, with nothing on how long cloning samples are kept (16 of 30). A deprecation page with dated statuses (deprecated, rejects, removed, scheduled, retiring) and migration targets (16 of 20). Two regions named with locations. No sub-processor list was found and a DPA page exists unread (10 of 20). 15+16+16+10 = 57. | |||
| Negative events | ≤15 | None recorded | 0 |
| Total | 58 · C | ||
Weight is the published weight, and the figure under it is that category's share of the 100 points in this run. A pending category has no score and adds nothing. What changes when it's scored.
Score history no moves since it was graded
Every time a number on this listing moved, and what moved it: a change of terms or pricing, an outage, the vendor's own release, new evidence, or our own correction. A score can't change without an entry here. Every listing's changes · JSON · RSS
-
Graded 58 C methodology v0.7
Fix list 18 items, the biggest gain first
Everything this grade says the listing lacks, from the reasons above, the checklist, the provenance checks, the deductions, what we couldn't check and what the review panel asked for, with the steps, ready to paste into a coding agent working on Smallest.ai Instant Voice Clone. A fix counts at the next check, once it's public.
You're lucky. As part of the beta, your first month is free.
What we couldn't check
- unchecked: the FAQ answers on the models pricing page (cloning cost, rate limits, audio retention), which the page draws only in a browser
- unchecked: whether the $10 free credit needs a card, and the per-organisation clone limit behind
clone limit exceeded - unchecked: the trust centre (trust.smallest.ai answered 502 through our proxy), so SOC 2 or ISO status wasn't confirmed first-hand
- When the 30 November 2026 retirement of
lightning-v3.1clones was first announced. The models changelog read on 6 November has no entry for it - The pricing table's "Voice Cloning: No" on pay as you go contradicts the docs, which let any API key clone. Recorded, not deducted
- The Python SDK's PyPI metadata points to github.com/fern-demo/smallest-ai-python-sdk, not a smallest-inc repository
- One request went to pypi.org/pypi/smallestai/json, a path PyPI's robots.txt disallows, before robots.txt was read. The release dates used here were re-read from the allowed feed at pypi.org/rss/project/smallestai/releases.xml, which agrees, and the repository link (fern-demo/smallest-ai-python-sdk) came from that JSON and wasn't re-read
Sources 16
- instant clone API guide docs.smallest.ai · seen 2026-11-06
- create voice clone reference docs.smallest.ai · seen 2026-11-06
- deprecation notices docs.smallest.ai · seen 2026-11-06
- models changelog docs.smallest.ai · seen 2026-11-06
- concurrency and limits docs.smallest.ai · seen 2026-11-06
- API keys docs.smallest.ai · seen 2026-11-06
- zero data retention docs.smallest.ai · seen 2026-11-06
- models pricing smallest.ai · seen 2026-11-06
- agents pricing, free credits smallest.ai · seen 2026-11-06
- Terms of Service, 21 October 2026 smallest.ai · seen 2026-11-06
- Privacy Policy, 18 September 2026 smallest.ai · seen 2026-11-06
- Prohibited Use Policy smallest.ai · seen 2026-11-06
- status page and incident feed status.smallest.ai · seen 2026-11-06
- security.txt smallest.ai · seen 2026-11-06
- Python SDK releases pypi.org · seen 2026-11-06
- docs index docs.smallest.ai · seen 2026-11-06
Probe metrics
Not measured yet. Our benchmark probes haven't run, so there's no availability, latency or error rate from a run and Performance is pending. The live panel above has what the pollers have seen so far, which doesn't change the score.
Pricing & changes
Pay per use Pay per use No price per clone is published. Speech from a clone is about $0.175 per 10,000 characters on Lightning v3.1 and $0.195 on v3.1 Pro, pay as you go. The agents pricing page states $10 in free credits. The models pricing table marks voice cloning No on pay as you go, while the docs let any API key clone (checked 2026-11-06).
Prices
| Item | Price | Unit | Note |
|---|---|---|---|
| Speech from a clone, Lightning v3.1 | $17.50 | per 1M characters | about $0.175 per 10,000 characters, pay as you go |
| Speech from a clone, Lightning v3.1 Pro | $19.50 | per 1M characters | about $0.195 per 10,000 characters, pay as you go |
Compared across listings on the price index.
What a task costs from the prices above
| Task | Cost | At |
|---|---|---|
| Narrate a 9,000-character scriptabout 1,500 words | $0.16 to $0.18 | Speech from a clone, Lightning v3.1 to Speech from a clone, Lightning v3.1 Pro |
The quantity times this listing's own price, from its cheapest item in that unit to its dearest. Plans, minimums and free allowances aren't counted. Tasks across every listing.
Recent changes
- Latest release
Follow them as a feed at /feeds/tools/smallest-voice-clone.xml, or this listing's score history at history.json.
Connect
Install
pip install smallestai
First request
curl -X POST "https://api.smallest.ai/waves/v1/voice-cloning" \
-H "Authorization: Bearer $SMALLEST_API_KEY" \
-F "displayName=my-custom-voice" \
-F "file=@/path/to/sample.wav" \
-F "model=lightning-v3.1-pro" \
-F "language=en"
Alternatives to Smallest.ai Instant Voice Clone
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Machine-readable
| Similar tool | Grade | Score | Shared capabilities | x402 |
|---|---|---|---|---|
| Speechify API Voice Cloning Speechify | BB | 76.9 | voice.clone speech.tts | no |
| ElevenLabs Voice Cloning and Voice Design API ElevenLabs | BB | 76.8 | voice.clone speech.tts | no |
| HeyGen Voice HeyGen | BB | 73.6 | speech.tts voice.clone | no |
| Soniox Voice Cloning Soniox | B | 68.7 | voice.clone speech.tts | no |
| Inworld Instant Voice Cloning Inworld AI | C | 61.9 | voice.clone speech.tts | no |
| Fish Audio TTS API Fish Audio | C | 61.5 | speech.tts voice.clone | no |
Machine-readable
- JSON
/api/v1/tools/smallest-voice-clone.json· historyhistory.json· badge/badges/smallest-voice-clone.svg· changes feed/feeds/tools/smallest-voice-clone.xml - Markdown
/tools/smallest-voice-clone.md· slim/tools/smallest-voice-clone.min.md(or sendAccept: text/markdown) - What the fix list covers
/fixes/smallest-voice-clone.md·/fixes/smallest-voice-clone.json· the whole listPOST /api/v1/fix-list - From a terminal
anchor tool smallest-voice-clone --md(the CLI) · over MCPget_tool {"slug": "smallest-voice-clone"}at/mcp, no key - Directory index
/api/v1/tools.json· site index/llms.txt - No HTTP
dig +short TXT smallest-voice-clone.grade.anchorterminal.com(the grade as a DNS record, for a sandbox where names still resolve; how)
For vendors
Verify this listing
For the vendorIs this your product? Link to this page from your own site or README, then tell us where. It shows people and agents that the listing is yours and that you know it's here. It never changes a grade, rank or review.
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Add the badge or a link
On a light page On a dark page <a href="https://www.anchorterminal.com/tools/smallest-voice-clone"><img src="https://www.anchorterminal.com/badges/smallest-voice-clone.svg" alt="Smallest.ai Instant Voice Clone on Anchor Terminal" height="20"></a>[](https://www.anchorterminal.com/tools/smallest-voice-clone)<a href="https://www.anchorterminal.com/tools/smallest-voice-clone">Smallest.ai Instant Voice Clone on Anchor Terminal</a>It counts on a page on smallest.ai or one of its subdomains.
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Tell us where it is
We read it once now and again every week. If the link is missing two weeks in a row the listing says so, and a later check puts it back.
Agents send the same to POST /api/v1/verify as {"slug": "smallest-voice-clone", "url": "…"}, or call the verify_listing tool at /mcp. Ten checks an hour from one address. What we check. To announce the listing, get sharing assets for social media.


