Softwr

AI · head to head

Cartesia vs incident.io

Cartesia logo

Cartesia

AI

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

From
Free
Rated
-
incident.io logo

incident.io

Logging

Software reliability platform with on-call management and agentic root cause analysis

From
Free
Rated
-

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.; incident.io free plan limited to single team and basic features
  • They diverge on capability: Cartesia covers Sonic text-to-speech, incident.io covers Intelligent alert routing.

Where they differ

Only the attributes on which Cartesia and incident.io actually diverge.

Attributes where Cartesia and incident.io differ
AttributeCartesiaincident.io
Pricing modelfreemiumsubscription
Platformsweb, apiWeb, Slack, Microsoft Teams
CategoryAILogging
FoundedUnknown2021

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 incident.io

  • Intelligent alert routing
  • Agentic root cause analysis
  • On-call scheduling
  • Slack and Teams integration
  • AI call transcription
  • Status pages
  • Workflow automation

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

incident.io

  • Manage incident response workflows in Slacknot Cartesia
  • Automatically investigate root causes with AInot Cartesia
  • Maintain on-call schedules across teamsnot Cartesia
  • Track incident metrics and trendsnot Cartesia
  • Communicate status to customers automaticallynot 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.

incident.io

  • Free plan limited to single team and basic features
  • Per-user pricing increases costs for larger teams
  • Agentic features may require additional integrations
  • Advanced features concentrated in higher price tiers

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

incident.io

Free
  • BasicFree
    • Slack and Teams support
    • Single team on-call
    • Status pages
  • Pro$25/user-month
    • All Team features
    • Advanced insights
    • Custom dashboards
  • Enterprise$undefined/custom
    • All Pro features
    • Dedicated success manager
    • Advanced access controls

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 incident.io if

  • You need intelligent alert routing.
  • You want to start without paying.
  • You work on Web, Slack, Microsoft Teams.
  • You also want agentic root cause analysis.

Questions people ask

Is Cartesia or incident.io better?
Neither clearly leads. Cartesia starts at Free and incident.io at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cartesia or incident.io?
Cartesia starts at Free and incident.io at Free.
Does Cartesia or incident.io run on more platforms?
Cartesia runs on web, api. incident.io runs on Web, Slack, Microsoft Teams.
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 incident.io is typically brought in for.
What can Cartesia do that incident.io cannot?
Cartesia covers Sonic text-to-speech, Ink speech-to-text, Line voice agent platform, Instant and professional voice cloning. incident.io covers Intelligent alert routing, Agentic root cause analysis, On-call scheduling, Slack and Teams integration.

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
incident.io: What is included in the free incident.io plan?

The Basic free plan includes Slack and Teams support, single team on-call, status pages, and 1 custom field, ideal for getting started with incident management.

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
incident.io: How much does on-call management cost?

On-call is an add-on costing $10/user/month for Team plan or $20/user/month for Pro plan, in addition to base incident management 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
incident.io: Can incident.io integrate with my existing tools?

incident.io natively integrates with Slack and Microsoft Teams for incident management workflows, with additional integrations available.

Source
incident.io: What SLA does incident.io offer?

Only the Enterprise plan includes a 99.99% SLA guarantee. Basic, Team, and Pro plans do not have published SLAs.

Source
Share

Related pages

Other head to heads