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The Inworld AI Insider’s Guide

Everything we know about Inworld AI in one document: what it costs, its grades, getting a refund, getting help and what else to look at. Read it here, or keep a copy.

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ToolGPANovember 2026

Inworld AI

The Insider’s Guide

Text-to-speech, speech-to-text and LLM API with monthly credit plans

Inworld AI, as pictured on inworld.ai

Every plan, grade, refund rule and rival among AI voice generators, read from Inworld AI’s own pages.

Made by Inworld AI · checked Nov 12, 2026 · toolgpa.com

2.0GPA

Contents

  1. 01WelcomeWhat it is, who it suits, its grades and the ten things to know first
  2. 02What it costsEvery plan, the free plan, ways to pay less and how prices have moved
  3. 03What it doesIts main features, where it runs, what it works with and who makes it
  4. 04Where it standsIts grades against its category, and whether to keep it or make your own
  5. 05The alternativesThe tools it is most often weighed against, side by side
  6. 06Quick answersThe questions people ask about it, each answered in a line or two
  7. 07About ToolGPAWho made this guide, what else is on the site, and how to cite it

ToolGPA put this guide together from Inworld AI’s own pages, its app-store listings and our grades. Every fact in it is on Inworld AI’s page too, where it is kept up to date. Checked Nov 12, 2026.

Part 01 · Overview

Welcome

What it is, who it suits, its grades and the ten things to know first

2.0

GPA, above 8 of the 43 other AI voice generators we grade

Inworld AI sells a developer platform for real-time voice: text to speech, speech to text, speech to speech and hosted LLM inference. Plans are monthly subscriptions that return their price as usage credits, with lower per-character rates on higher tiers. It targets companions, tutors, games and voice agents.

To get you started, here are 9 things to know about Inworld AI, taken from its own pages and our grades.

It is an API-first product that expects developers.
From our grade for ease of use
  1. 1

    Best for real-time voice for agents and companions

    Inworld AI sells text to speech, speech to text and an LLM API, with monthly credit plans from $25.

  2. 2

    Paid plans start at $25 a month

    As its pricing page puts it: $25 per month, billed monthly.

  3. 3

    There is a free plan

    On-Demand: $0 pay as you go with up to 70 minutes of text to speech included; 100 custom voices, commercial license.

  4. 4

    It runs on Web

    Web.

  5. 5

    Realtime TTS-2 and TTS-2 Flash

    Two text-to-speech models priced per million characters, with steering on TTS-2, speaking rate and temperature controls, and 200+ languages.

  6. 6

    Voice cloning and design

    Instant cloning and voice design are on every plan; professional voice clones are capped by tier, from 2 to 40 and 100+ on Enterprise.

  7. 7

    Speech to text and speech to speech

    Real-time STT from $0.15 an hour on On-Demand and low-latency speech-to-speech conversations on the same credits.

  8. 8

    A 2.0 GPA, above 8 of 43

    That is against the other AI voice generators we grade, on value, the free plan, features, ease of use and platforms.

  9. 9

    Keep it

    To replace Inworld AI you would be making a voice model, which you can rent by the minute but not make. That is not a weekend's work, with an AI app builder or without one.

Inworld AI at a glance

Pricing
Free plan, from $25 per month, billed monthly
Free plan
Yes
Free trial
None stated
Runs on
Web
Made by
Inworld AI
Category
AI Voices & Text to Speech
Our grade
2.0 GPA, fair

The report card

Best for real-time voice for agents and companions

Inworld AI sells text to speech, speech to text and an LLM API, with monthly credit plans from $25. The On-Demand plan includes up to 70 minutes of speech, and 100 custom voices come with it. The 70 minutes are not described as monthly, and the page shows monthly prices only.

ToolGPA report cardInworld AIGraded Nov 12, 2026
SubjectGradeComment
Value for moneyCCreator is $25 a month in credits, with TTS-2 at $20 per 1M characters, dropping to $12.50 at the $1,500 Growth tier. The cheapest plan is in the dearer half of the category.
Free plan and trialCOn-Demand is $0 pay as you go with up to 70 minutes of speech included. The page doesn't say it renews monthly, so treat it as a trial amount.
FeaturesBTTS, speech to text and an LLM API, 100 to 30,000 custom voices by plan, professional clones from Creator. It covers the job for agents and games.
Ease of useDNo store rating on record. It is an API-first product that expects developers.
Platforms and integrationsCWeb and an API. No integrations or apps are listed.
Grade point averageFair, out of 4.02.0

An A is worth 4 points, a B 3, a C 2, a D 1 and an F nothing. The GPA is the average of the five.

Who Inworld AI is for

  • Fits if you are building a real-time voice agent or companion
  • Works for game or app teams that need many custom voices

Who it is not for

  • Not for you if you want to paste a script and download, because this is an API product
  • Watch out: the 70 free minutes aren't described as monthly, so don't count on them renewing
  • Watch out: zero data retention starts at Developer ($300), and HIPAA and BAA are Growth add-ons
  • Pricey if you go over the credit: overage bills at the plan's own rates, and extra credits expire after a year

Good to know

Good for

  • Developers building real-time voice agents or companions
  • Game and app teams that need many custom voices
  • Small projects that want a predictable monthly credit

Worth knowing

  • Overage is billed at the plan's own rates, and extra credits expire one year after purchase.
  • The 70 free minutes on On-Demand are not described as monthly, so treat them as a trial amount.
  • Zero data retention starts at Developer, and HIPAA and BAA are Growth add-ons.
  • The page showed monthly prices; a Yearly toggle advertises 2 months free, so the annual amounts were not read.

Part 02 · Pricing

What it costs

Every plan, the free plan, ways to pay less and how prices have moved

$25

A month to start. There is a free plan too

Inworld AI has a free plan. Paid plans start at $25 per month, billed monthly.

The cheapest plan is in the dearer half of the category.
From our grade for value for money

  • On-Demand

    $0

    Pay as you go: TTS-2 $25 per 1M characters, TTS-2 Flash $15. Up to 70 min of TTS included.

  • Creator

    $25

    per month, billed monthly

    $25 in credits a month. TTS-2 $20 per 1M characters, Flash $10. 500 custom voices, 4 professional clones.

  • Builder

    $100

    per month, billed monthly

    $100 in credits. TTS-2 $17.50 per 1M characters, Flash $9. 3,000 custom voices, higher concurrency.

  • Developer

    $300

    per month, billed monthly

    $300 in credits. TTS-2 $15 per 1M characters, Flash $8. 10,000 custom voices, zero data retention.

  • Growth

    $1,500

    per month, billed monthly

    $1,500 in credits. TTS-2 $12.50 per 1M characters, Flash $7. 30,000 voices, HIPAA and BAA as add-ons.

  • Enterprise

    Custom

    Custom limits and terms, SLA, DPA, EU and India data residency; TTS-2 from as low as $5 per 1M.

The free plan

On-Demand: $0 pay as you go with up to 70 minutes of text to speech included; 100 custom voices, commercial license.

Read from inworld.ai on Nov 12, 2026.

Ways to pay less

  • Annual discount

    2 months free on yearly billing

    Inworld's pricing page has a Yearly toggle labeled as giving 2 months free compared with monthly billing.

    Stated on inworld.ai

Part 03 · Features

What it does

Its main features, where it runs, what it works with and who makes it

1

Place it runs: Web

Text-to-speech, speech-to-text and LLM API with monthly credit plans. Here is what it does, as its own site describes it, and what it covers: public API, AI features, transcription, text to speech, voice cloning.

Realtime TTS-2 and TTS-2 Flash
Two text-to-speech models priced per million characters, with steering on TTS-2, speaking rate and temperature controls, and 200+ languages.
Voice cloning and design
Instant cloning and voice design are on every plan; professional voice clones are capped by tier, from 2 to 40 and 100+ on Enterprise.
Speech to text and speech to speech
Real-time STT from $0.15 an hour on On-Demand and low-latency speech-to-speech conversations on the same credits.
LLM inference
Hosted open and third-party models are billed per token from the same credit balance, from $0.07 per 1M input tokens.
Credits that roll over
Unused subscription credits carry over for up to 3 months while a paid plan of equal or higher value stays active.

Where it runs

  • Web

What it works with

Its own pages name no integrations.

Inworld AI is made by Inworld AI.

Part 04 · Standing

Where it stands

Its grades against its category, and whether to keep it or make your own

8/43

Other AI voice generators it is graded above

Inworld AI's GPA of 2.0 is higher than 8 of the 43 other AI voice generators we grade, and level with 9.

It stands best on features (B, above 27 of 43) and worst on ease of use (D, above 0).

Its paid plans start at $25 a month, against a middle price of $10 for the category: 27 of the 33 others that charge start lower.

On features, ease of use and platforms it scores 2.0 out of 4. 19 tools score higher and cost less.

Each grade against the category

Every bar is all 44 AI voice generators we grade, cut by the letter each got. Inworld AI’s own letter is outlined.

  • CValue for moneyAbove 4 of 43
  • CFree plan and trialAbove 12 of 43
  • BFeaturesAbove 27 of 43
  • DEase of useAbove 0 of 43
  • CPlatforms and integrationsAbove 0 of 43

Price against what you get

Each dot is one of 34 AI voice generators. Further left costs less; higher up scores better on features, ease of use and platforms. Inworld AI is the marked dot.

C2.0B3.0A4.0$2$5$10$20$50$100More for lessCosts more, scores moreCosts less, scores lessCosts more, scores lessInworld AIElevenLabsAlteredUberduckFlikiRime

What paid plans start at, a month (each step along is roughly double) →

Keep it, or make your own?

Whether this is something you could build for yourself with an AI app builder, and what you would give up.

Keep it

To replace Inworld AI you would be making a voice model, which you can rent by the minute but not make. That is not a weekend's work, with an AI app builder or without one.

That makes this kind of software worth paying for, not this one in particular: 26 of the 43 other AI voice generators grade higher. It costs $300 a year.

What you could not

  • A voice model, which you can rent by the minute but not make.
  • A voice model trained on your recordings.
  • Speech turned into text you can trust.
  • An API that other software can build on.
  • AI features, unless you pay a model provider for each request yourself.
  • The depth: we grade its features B, which means it covers the whole job.

What this rests on. Inworld AI’s listing: what it does, where it runs, what it plugs into and what it costs. It is a judgement about the kind of software this is. We have not built a replacement for it, and making your own means looking after it too. How we decide, and every tool’s verdict.

Part 05 · Alternatives

The alternatives

The tools it is most often weighed against, side by side

Cartesia, ElevenLabs, Rime, Smallest AI and Fish Audio

The 5 tools Inworld AI is most often weighed against, with where each one differs from it.

Part 06 · Questions

Quick answers

The questions people ask about it, each answered in a line or two

13

Questions, each answered in a line or two

The short version of everything above, for when you only need the answer. Each one is told in full in its part of the guide.

Is Inworld AI free?

Inworld AI has a free plan. On-Demand: $0 pay as you go with up to 70 minutes of text to speech included; 100 custom voices, commercial license.

How much does Inworld AI cost?

Inworld AI lists 6 plans. On-Demand: $0.

What platforms does Inworld AI work on?

Inworld AI is available on Web.

Does Inworld AI offer any discounts?

Inworld AI publicly lists the following: 2 months free on yearly billing.

Does Inworld AI have an Android app?

No Android app was listed when its pages were read on Nov 12, 2026. Inworld AI is listed for Web.

Does Inworld AI have an iPhone app?

No iPhone app was listed when its pages were read on Nov 12, 2026. Inworld AI is listed for Web.

Is Inworld AI open source?

Inworld AI is not described as open source on its own site, as read on Nov 12, 2026.

Does Inworld AI have an API?

Yes. Inworld AI offers a public API, according to its own site.

Who makes Inworld AI?

Inworld AI is made by a company of the same name.

What are the alternatives to Inworld AI?

The closest alternatives to Inworld AI in our directory are Cartesia, ElevenLabs, Rime, Smallest AI and Fish Audio.

How does Inworld AI compare with other AI voice generators?

Inworld AI's GPA of 2.0 is higher than 8 of the 43 other AI voice generators we grade, and level with 9.

Is Inworld AI good value for money?

ToolGPA grades Inworld AI C for value for money. Its paid plans start at $25 a month, against a middle price of $10 for the category: 27 of the 33 others that charge start lower.

Could I make my own version of Inworld AI?

To replace Inworld AI you would be making a voice model, which you can rent by the minute but not make.

Where this guide comes from

The prices, plans, platforms and features were read from Inworld AI’s own pages on Nov 12, 2026, and the grades were given on Nov 12, 2026. Graded from this listing, whose facts were read from Inworld AI's own pages on 12 November 2026. Not based on using the product, and shorter than our full reviews.

Every tool we list gets five grades, A to F, each with its reason, and a GPA that averages them. How each is decided is at toolgpa.com/grades. This guide is ToolGPA’s own work; it is not made, paid for or approved by Inworld AI. Prices change, so check inworld.ai before you buy.

Part 07 · About

About ToolGPA

Who made this guide, what else is on the site, and how to cite it

5,038

Tools graded, in 95 categories

ToolGPA grades software the way a school report grades a pupil: five subjects, a letter for each with the reason written beside it, and a GPA that averages them. Prices, plans and platforms are read from each maker’s own pages and dated, so you always know how fresh a figure is.

Every grade, review and ranking on ToolGPA is our own judgement. No company can pay for a grade or change one. Every tool on the site has a guide like this one, free to download and pass on. It all lives at toolgpa.com.

  • 5,038

    tools graded

  • 95

    categories

  • 739

    price changes on record

  • 579

    apps priced in 12 countries

What else is on toolgpa.com

Scan for the live page

Prices and grades as they are today

Quoting this guide?

Please name ToolGPA and link to the live page, so readers can check the figures for themselves:

ToolGPA, "Inworld AI: The Insider's Guide", checked Nov 12, 2026. https://toolgpa.com/tools/inworld-ai

Know someone choosing between AI voice generators?

Send them this guide: toolgpa.com/tools/inworld-ai/guide

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See our other guides

The best-graded AI voice generators after Inworld AI, each with an Insider's Guide of its own.

ToolGPA

Choosing software? Every tool graded, every price dated.

Compare tools at toolgpa.com ›

Everything in this guide is ToolGPA’s own summary of what Inworld AI’s pages, its app-store listings and public reviews said on the dates shown. Grades are our judgement under the rules at toolgpa.com/grades. Every grade, review and ranking on ToolGPA is our own judgement. No company can pay for a grade or change one. Inworld AI is a trademark of its owner, and this guide is not made, paid for or approved by Inworld AI. Prices and plans change: check inworld.ai before you buy.