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Onepin

AI agent that checks, pronounces, and auto-fixes scripts for voice output.

Free accessFree plan0 USD with 1000 one-time credits.
Paid fromCreator16 USD per month, billed yearly. 3000 credits per month, about 100 minutes, overage 0.010 USD per credit, 100 GB storage, 3 concurrent runs, and …

At a Glance

Onepin is an AI tool for Voice & speech (category: Audio & Voice). Free access: Free plan. Paid from 16 USD (Creator). Documented: 4 plans with prices and limits.

Category
Voice & speech
Paid from
16 USD / Month, billed yearly (Creator)
Free Option
Free plan
Plans
4
Sources
3 verified sources
Website
onepin.ai (opens in a new tab)

Category: Audio & Voice · Voice & speech

Features

Onepin runs a script through normalization, a pronunciation dictionary, TTS, and validation until the line is ready to publish.

More than 30 TTS models sit behind one account. Bring-your-own-key starts on Studio.

Free includes 1000 one-time credits. Creator is 16 USD, Studio is 80 USD, and Scale is 240 USD per month, billed yearly.

Prices and plans

TierPricePeriodWhat you get
FreefreeMonth0 USD. 1000 one-time credits, about 15 minutes of validated audio, 1 concurrent run, 1 GB storage. No overage. Download and export are not included. Seats are unlimited.
Creator16 USDMonth, billed yearly16 USD per month, billed yearly. 3000 credits per month, about 100 minutes, overage 0.010 USD per credit, 100 GB storage, 3 concurrent runs, and email support.
Studio80 USDMonth, billed yearly80 USD per month, billed yearly. 15000 credits per month, about 9 hours, overage 0.008 USD per credit, 3 workspaces, 500 GB storage, 5 concurrent runs, bring your own key, and email plus Slack support.
Scale240 USDMonth, billed yearly240 USD per month, billed yearly. 50000 credits per month, about 30 hours, overage 0.007 USD per credit, 5 workspaces, 1 TB storage, and 10 concurrent runs.

Prices per vendor, excl. taxes/VAT where applicable.

Limits

Onepin is an AI voice production agent: it normalizes the script, uses a pronunciation dictionary, validates each TTS line, and auto-fixes misses across 30 TTS models. Free is 0 USD with 1000 one-time credits. Paid prices are per month, billed yearly: Creator 16 USD, Studio 80 USD, and Scale 240 USD. Overage is 0.010 USD, 0.008 USD, and 0.007 USD per credit. 100 credits equal 1 USD. Annual billing saves 20%. Self-serve credits do not roll over, and seats are free.

Alternatives and similar tools to Onepin

A selection for “Voice & speech” and curated direct comparisons. Direct comparisons carry the most weight, followed by the shared subcategory and shared tasks. Matching free-access types carry less weight. Ties are resolved consistently. No quality rating.

SarvamIndian AI API platform for text-to-speech, speech-to-text, translation, document AI, and multilingual chat models focused on Indian languages.Sarvam
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WillowAI dictation that turns speech into text, for Mac, Windows, and iPhone.ProAltered AIVoice AI platform with speech-to-speech morphing, cloning, text-to-speech, and a real-time voice changer for calls and games.Altered Studio - Creator (annual)FineVoiceCreate AI narration, cloned voices and sound effects in one audio platform.Basic · monthly
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VoiskeyAI dictation that turns rough speech into ready-to-send text. macOS, Windows, iOS, Android. Not Wispr alone.Monthly PremiumVapiDeveloper platform for building and deploying voice AI agents (phone call bots) that handle customer calls, support, and appointment scheduling.ScaleSmallest.aiVoice AI platform offering low-latency (sub-100ms) text-to-speech, speech-to-text, and voice agents for enterprises.EnterpriseVoiceCapAI notetaker for in-room and Zoom, Meet, Teams, or Webex meetings, with EU storage, summaries, and MCP read access for Claude or ChatGPT.Pro

Onepin alternatives comparison →

More tools for the same task, alphabetical and sourced. Not a quality ranking.

Voice and voiceover

FAQ

Is Onepin available for free?

Yes. A permanently free plan is published, not a time-limited trial. 0 USD with 1000 one-time credits.

How much does Onepin cost?

The cheapest paid plan of Onepin is Creator at 16 USD. 4 plans are documented in total, each with its price and limits.

Is Onepin currently available?

Onepin is still active.

How we compare

We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.

Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first; neither is a quality ranking. The vendor page always wins.

Edited and checked by the AI Compare Ninja team

Sources

All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

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