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AI · head to head

Cartesia vs Manus

Cartesia logo

Cartesia

AI

Real-time voice AI platform for speech generation, transcription, and voice agents

From
Free
Rated
-
Manus logo

Manus

AI

General-purpose AI agent executing multi-step tasks in a hosted environment

From
On request
Rated
-

The short version

  • Only Cartesia has a free tier, so it costs nothing to try first.
  • Each has a real cost: Cartesia instant and professional voice cloning are gated behind paid Pro and Startup tiers, unavailable on the free plan.; Manus specific pricing and plan tiers not published on accessible pages; users must visit pricing page or contact sales
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Cartesia and Manus actually diverge.

Attributes where Cartesia and Manus differ
AttributeCartesiaManus
Starting priceFreeOn request
Pricing modelfreemiumsubscription
Free tierYesNo
Platformsweb, apiWeb, iOS, Android, Desktop, Slack integration

Identical on both: user rating (Not yet rated), category (AI).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Cartesia

  • Sonic text-to-speech
  • Ink speech-to-text
  • Line voice agent platform
  • Instant and professional voice cloning
  • Flexible deployment
  • Telephony integration

Only in Manus

Nothing recorded that Cartesia does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Cartesia

  • Building low-latency voice agents for customer supportnot Manus
  • Real-time transcription for conversational applicationsnot Manus
  • Voice cloning for branded synthetic voicesnot Manus
  • On-device or on-premise voice AI for regulated industriesnot Manus

Manus

  • Autonomous research and report generationnot Cartesia
  • Slide deck and presentation creation from requirementsnot Cartesia
  • Website and graphic design automationnot Cartesia
  • Game development and interactive content creationnot Cartesia
  • Multi-step workflow automation via browser operatornot Cartesia

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Cartesia

  • Instant and professional voice cloning are gated behind paid Pro and Startup tiers, unavailable on the free plan.
  • Voice agent calls carry a separate per-minute usage fee ($0.06/minute) on top of subscription credits.
  • Enterprise features like SSO and BAAs require a custom sales conversation rather than self-serve upgrade.
  • Free tier concurrency limits (2 TTS, 8 STT concurrent requests) may be restrictive for testing production-like load.

Manus

  • Specific pricing and plan tiers not published on accessible pages; users must visit pricing page or contact sales
  • Organisational transition mid-2026; unclear how this affects feature stability or pricing continuity
  • No clear free tier mentioned; access requires subscription from apparent launch
  • Limited public documentation on capabilities and limitations

Pricing, plan by plan

Cartesia

Free
  • FreeFree
    • 20,000 credits/month
    • TTS and STT included
    • 2 concurrent TTS requests, 8 concurrent STT requests
  • Pro$4/month
    • 100,000 credits/month
    • Commercial use license
    • Instant voice cloning
  • Startup$39/month
    • 1.25M credits/month
    • Professional voice cloning
    • Organizations support
  • Scale$239/month
    • 8M credits/month
    • Priority support
    • High concurrency limits

Manus

On request

No published plan breakdown. See the Manus review.

Which should you pick?

Choose Cartesia if

  • You need sonic text-to-speech.
  • You want to start without paying.
  • You work on web, api.
  • You also want ink speech-to-text.

Choose Manus if

  • You work on Web, iOS, Android, Desktop, Slack integration.

Questions people ask

Is Cartesia or Manus better?
Neither clearly leads. Cartesia starts at Free and Manus at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cartesia or Manus?
Cartesia has a free tier; the other does not. Paid plans start at Free for Cartesia and On request for Manus.
Does Cartesia or Manus run on more platforms?
Cartesia runs on web, api. Manus runs on Web, iOS, Android, Desktop, Slack integration.
Can I use Cartesia for free?
Yes. Cartesia has a free tier, so you can try it without paying. Manus starts at On request.
What is Cartesia best used for?
Cartesia is most often used for building low-latency voice agents for customer support, real-time transcription for conversational applications, voice cloning for branded synthetic voices, on-device or on-premise voice ai for regulated industries. Of those, building low-latency voice agents for customer support and real-time transcription for conversational applications are not what Manus is typically brought in for.
What can Cartesia do that Manus cannot?
Cartesia covers Sonic text-to-speech, Ink speech-to-text, Line voice agent platform, Instant and professional voice cloning.

Answered from the vendors’ own pages

Cartesia: What does Cartesia cost?

Cartesia offers a free plan, Pro at $4/month, Startup at $39/month, Scale at $239/month, and custom Enterprise pricing, each including a monthly credit allotment, with annual billing saving 20%.

Source
Manus: Where can I find Manus pricing information?

The Manus pricing page at manus.im/pricing mentions 'Manus Pricing Plans' with the tagline 'Less structure, more intelligence,' but specific pricing details and tier information are not published online. Contact Manus directly to discuss pricing options.

Source
Cartesia: Is there a free plan, and what are its limits?

The Free plan includes 20,000 credits per month, both TTS (Sonic) and STT (Ink), 2 concurrent TTS requests, 8 concurrent STT requests, and 1 voice agent slot.

Source
Manus: Does Manus offer a team plan option?

Manus mentions a team plan option on its pricing page, but specific details about team size limits, per-seat costs, and features are not published. Interested customers should contact Manus sales to discuss team pricing.

Source
Cartesia: How is usage metered?

Usage draws down a monthly credit allotment, with voice agent calls additionally billed at $0.06/minute and telephony via Cartesia phone numbers at $0.014/minute.

Source
Manus: What features are available in Manus?

Manus offers AI design, slides, image generation, music generation, browser operator, and other creative automation features. Specific feature availability by pricing tier requires contacting Manus directly for custom pricing information.

Source
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