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AI · head to head

Lindy vs Cartesia

Lindy logo

Lindy

AI

AI teammate that automates work across your entire software stack

From
Free
Rated
-
Full reviewWebsite
Cartesia logo

Cartesia

AI

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

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Lindy requires per-user subscription, which scales costs with team size; Cartesia instant and professional voice cloning are gated behind paid Pro and Startup tiers, unavailable on the free plan.
  • They diverge on capability: Lindy covers Slack integration, Cartesia covers Sonic text-to-speech.

Where they differ

Only the attributes on which Lindy and Cartesia actually diverge.

Attributes where Lindy and Cartesia differ
AttributeLindyCartesia
Pricing modelPer-user subscription with shared credit poolfreemium
PlatformsWeb, Slack, Email, Mobileweb, api

Identical on both: starting price (Free), free tier (Yes), 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 Lindy

  • Slack integration
  • Email automation
  • Meeting transcription
  • Scheduled routines
  • 1,000+ app integrations
  • Skill library
  • Editable memory
  • MCP support

Only in Cartesia

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

What people use each for

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

Lindy

  • Automating email and calendar management across teamsnot Cartesia
  • Transcribing and summarizing meetings automaticallynot Cartesia
  • Updating CRM systems with meeting notes and leadsnot Cartesia
  • Generating daily reports and weekly briefsnot Cartesia
  • Processing structured data from multiple applicationsnot Cartesia

Cartesia

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

Where each one falls short

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

Lindy

  • Requires per-user subscription, which scales costs with team size
  • Limited free trial period of 7 days may not allow full evaluation
  • Credit system complexity could be confusing for new users
  • Not designed for technical teams as primary tool

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.

Pricing, plan by plan

Lindy

Free
  • Free TrialFree
    • 7-day free trial for new team members joining via Slack
  • Plus$29.99/month
    • 3,000 credits per month
    • Slack integration
    • Email automation
  • Pro$99.99/month
    • 15,000 credits per month
    • All Plus features
    • Advanced automation
  • Max$199.99/month
    • 35,000 credits per month
    • All Pro features
    • Priority support

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

Which should you pick?

Choose Lindy if

  • You need slack integration.
  • You want to start without paying.
  • You work on Web, Slack, Email, Mobile.
  • You also want email automation.
Lindy review

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

Questions people ask

Is Lindy or Cartesia better?
Neither clearly leads. Lindy starts at Free and Cartesia at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lindy or Cartesia?
Lindy starts at Free and Cartesia at Free.
Does Lindy or Cartesia run on more platforms?
Lindy runs on Web, Slack, Email, Mobile. Cartesia runs on web, api.
Can I use Lindy for free?
Both have a free tier, so you can try either at no cost before committing.
What is Lindy best used for?
Lindy is most often used for automating email and calendar management across teams, transcribing and summarizing meetings automatically, updating crm systems with meeting notes and leads, generating daily reports and weekly briefs. Of those, automating email and calendar management across teams and transcribing and summarizing meetings automatically are not what Cartesia is typically brought in for.
What can Lindy do that Cartesia cannot?
Lindy covers Slack integration, Email automation, Meeting transcription, Scheduled routines. 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

Lindy: How does Lindy maintain data privacy and security?

Lindy is SOC 2 Type II, GDPR, HIPAA, and PIPEDA compliant. Data is encrypted in transit and at rest. The platform never sells your data or uses it to train models. Enterprise plans include signed BAAs and audit logs.

Source
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
Lindy: Can we start with a free trial?

New team members joining through Slack receive a 7-day free trial before being billed. Direct signups are charged immediately. There is no permanent free tier after the trial.

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
Lindy: How many applications can Lindy integrate with?

Lindy connects to over 1,000 applications including Gmail, Notion, HubSpot, GitHub, Stripe, and others, with support for Model Context Protocol servers for custom integrations.

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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