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Software · head to head

Cartesia vs LastPass

Cartesia logo

Cartesia

Software

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

From
Free
Rated
-
Full reviewWebsite
LastPass logo

LastPass

Software

Simplify online life with LastPass password manager

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cartesia instant and professional voice cloning are gated behind paid Pro and Startup tiers, unavailable on the free plan.; LastPass free plan limited to 1 device type only
  • They diverge on capability: Cartesia covers Sonic text-to-speech, LastPass covers Password vault.

Where they differ

Only the attributes on which Cartesia and LastPass actually diverge.

Attributes where Cartesia and LastPass differ
AttributeCartesiaLastPass
Platformsweb, apiWeb, Desktop, Mobile
FoundedUnknown2008

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Unknown).

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 LastPass

  • Password vault
  • Password generator
  • Autofill
  • Security dashboard
  • Dark web monitoring
  • Emergency access
  • Secure notes
  • Digital wallet

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 LastPass
  • Real-time transcription for conversational applicationsnot LastPass
  • Voice cloning for branded synthetic voicesnot LastPass
  • On-device or on-premise voice AI for regulated industriesnot LastPass

LastPass

  • Password management and vault storagenot Cartesia
  • Multi-device access and autofillnot Cartesia
  • Dark web monitoring and security dashboardnot Cartesia
  • Team collaboration with shared folders and policiesnot 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.

LastPass

  • Free plan limited to 1 device type only
  • Premium plan costs ~$3/month annually (30% discount applied)
  • Business Teams plan limited to up to 50 users maximum
  • Teams plan offers only 25 security policies
  • Business plan pricing ~$4/user/month
  • Business Max plan costs ~$7/user/month for advanced features

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

LastPass

Free

No published plan breakdown. See the LastPass 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.
Cartesia review

Choose LastPass if

  • You need password vault.
  • You want to start without paying.
  • You work on Web, Desktop, Mobile.
  • You also want password generator.
LastPass review

Questions people ask

Is Cartesia or LastPass better?
Neither clearly leads. Cartesia starts at Free and LastPass at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cartesia or LastPass?
Cartesia starts at Free and LastPass at Free.
Does Cartesia or LastPass run on more platforms?
Cartesia runs on web, api. LastPass runs on Web, Desktop, Mobile.
Can I use Cartesia for free?
Both have a free tier, so you can try either at no cost before committing.
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 LastPass is typically brought in for.
What can Cartesia do that LastPass cannot?
Cartesia covers Sonic text-to-speech, Ink speech-to-text, Line voice agent platform, Instant and professional voice cloning. LastPass covers Password vault, Password generator, Autofill, Security dashboard.

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
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
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
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