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Cartesia vs Wispr Flow

Features, pricing, ratings, and pros and cons, side by side.

Cartesia logo

Cartesia

Real-time speech AI for developers: fast text-to-speech, transcription and voice agents

Freemium
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Verdict

Cartesia and Wispr Flow are both Audio & Speech AI tools. Cartesia scores higher in FinderAtlas's editorial review (8.3 vs 8.0 out of 10), led by feature depth and value for money. Both have a free plan or trial. Only Cartesia is available on Web and offers an API. Only Wispr Flow is available on Windows, macOS and iOS.

Best overall

Cartesia

  • Developers
  • Voice AI Engineers
  • Contact Centre Teams
  • Enterprises

Choose Cartesia if

  • You want a tool built for Low-latency voice agents, real-time text-to-speech and streaming transcription inside applications.
  • Published time to first audio of about 90 ms for Sonic 3.6, suited to live conversation.
  • Free tier with 20K credits per month and a $5 Pro plan with commercial use and instant cloning.

Choose Wispr Flow if

  • You want a tool built for drafting emails and documents by voice across any desktop or mobile app.
  • Works in any app on Mac, Windows, iOS and Android without per-app plugins.
  • Cleans up filler words, corrections and punctuation automatically rather than producing raw transcripts.
Best for beginners
Cartesia
Best for business
Cartesia

Features

18 features compared.

  • Sonic Text-to-Speech
    Cartesia
    Available
    Wispr Flow
    Not available
  • Ink Speech-to-Text
    Cartesia
    Available
    Wispr Flow
    Not available
  • Managed Agents
    Cartesia
    Available
    Wispr Flow
    Not available
  • Voice Cloning
    Cartesia
    Available
    Wispr Flow
    Not available
  • Pronunciation Dictionaries
    Cartesia
    Available
    Wispr Flow
    Not available
  • Regional API Routing
    Cartesia
    Available
    Wispr Flow
    Not available
  • Telephony Support
    Cartesia
    Available
    Wispr Flow
    Not available
  • Python and JavaScript SDKs
    Cartesia
    Available
    Wispr Flow
    Not available
  • Usage and Access Controls
    Cartesia
    Available
    Wispr Flow
    Not available
  • Dictation in any app
    Cartesia
    Not available
    Wispr Flow
    Available
  • Automatic cleanup
    Cartesia
    Not available
    Wispr Flow
    Available
  • 100+ languages
    Cartesia
    Not available
    Wispr Flow
    Available
  • Personal dictionary
    Cartesia
    Not available
    Wispr Flow
    Available
  • Snippets
    Cartesia
    Not available
    Wispr Flow
    Available
  • Tone settings
    Cartesia
    Not available
    Wispr Flow
    Available
  • Command Mode
    Cartesia
    Not available
    Wispr Flow
    Available
  • Notetaker
    Cartesia
    Not available
    Wispr Flow
    Available
  • Team and security controls
    Cartesia
    Not available
    Wispr Flow
    Available

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    Cartesia
    Freemium
    Wispr Flow
    Freemium
  • Free plan
    Cartesia
    Yes
    Wispr Flow
    Yes
  • Starting price
    Cartesia
    $0
    Wispr Flow
    $0
  • Plans
    Cartesia
    5 plans
    Wispr Flow
    4 plans

Cartesia plans

  • Free

    $0

    Entry tier for testing text-to-speech and transcription

    • 20K credits/month
    • Text to Speech
    • Speech to Text
    • 2 concurrent TTS requests
    • 1 phone number

  • Pro

    $5/month

    Individuals building with commercial use rights

    • 100K credits/month
    • commercial use license
    • instant voice cloning
    • 3 concurrent TTS requests

  • Startup

    $49/month

    Small teams shipping voice products

    • 1.25M credits/month
    • professional voice cloning (2 slots)
    • Organizations
    • 5 concurrent TTS requests

  • Scale

    $299/month

    Higher-volume production workloads

    • 8M credits/month
    • priority support
    • high concurrency
    • 15 concurrent TTS requests
    • 4 professional voice clone slots

  • Enterprise

    Custom/custom

    Large organizations with custom requirements

    • Custom limits
    • DPAs and BAAs
    • SSO
    • shared Slack channel
    • security questionnaire support

Wispr Flow plans

  • Free

    $0

    For everyone getting started

    • 2,000 words per week on desktop
    • 1,000 words per week on mobile
    • 100+ languages
    • Dictionary and snippets
    • Limited Notetaker access

  • Pro

    $15/user/mo

    For individuals and teams

    • Unlimited dictation
    • Longer Notetaker history
    • Shared dictionary and snippets
    • Shared team workspace
    • Centralized billing
    • Team usage analytics
    • Priority support
    • Early access to new features

  • Growth

    Most popular

    $23/user/mo

    Basic admin controls for growing organizations

    • Everything in Pro
    • SSO with SAML
    • Org-wide HIPAA enforcement with signed BAA
    • Multiple domains
    • Admin control over model training
    • Individual usage reporting
    • Admin tools for members and billing

  • Enterprise

    Custom/custom

    Advanced security for large organizations

    • Everything in Growth
    • Free IT admin seats
    • Model training locked off
    • SCIM provisioning
    • Audit logs and MDM
    • Domain capture
    • Custom contract terms
    • Invoicing and PO billing
    • Dedicated support with SLAs

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed October 2026.

Cartesia
8.3overall
Wispr Flow
8.0overall

Cartesia leads in 4 categories and Wispr Flow in 1.

  • Ease of Use

    Wispr Flow leads by 1.0
    Cartesia
    7.8
    Wispr Flow
    8.8

  • Feature Depth

    Cartesia leads by 0.5
    Cartesia
    8.5
    Wispr Flow
    8.0

  • Value for Money

    Cartesia leads by 0.7
    Cartesia
    8.2
    Wispr Flow
    7.5

  • Performance & Speed

    Cartesia leads by 0.7
    Cartesia
    9.0
    Wispr Flow
    8.3

  • Documentation & Support

    Cartesia leads by 0.7
    Cartesia
    8.2
    Wispr Flow
    7.5

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

Cartesia

Pros

  • Published time to first audio of about 90 ms for Sonic 3.6, suited to live conversation.
  • Free tier with 20K credits per month and a $5 Pro plan with commercial use and instant cloning.
  • One platform covers text-to-speech, speech-to-text and managed voice agents.
  • Regional endpoints in the US, EU and APAC, with on-premise and on-device options.
  • Frequent releases: the changelog shows monthly model, voice and API updates in 2026.
  • Ranked first on Artificial Analysis speech leaderboards according to the company.

Cons

  • The free tier has no instant voice cloning, only 2 concurrent TTS requests and no commercial license.
  • Credit-based billing with overage up to $65 per 1M credits can be hard to forecast as usage grows.
  • Independent reviews note a smaller preset voice library than some narrative-focused competitors.
  • Developer-oriented; there is no consumer app and no released iOS or Android app.

Wispr Flow

Pros

  • Works in any app on Mac, Windows, iOS and Android without per-app plugins.
  • Cleans up filler words, corrections and punctuation automatically rather than producing raw transcripts.
  • Permanent free tier with 2,000 words per week on desktop.
  • Support for 100+ languages plus a personal dictionary and snippets.
  • Enterprise options include SSO, SCIM, audit logs and a signed BAA, and the company lists SOC 2 Type II, ISO 27001 and HIPAA certifications.

Cons

  • The free tier is capped at 2,000 words per week on desktop and 1,000 on mobile.
  • Notetaker is limited to Mac and Windows, and unlimited Notetaker access appears to cost more on Growth.
  • At launch, the Android app lacked the learning dictionary, snippets and per-app tone features; Android dictation sessions are capped at 5 minutes.
  • No public API or offline mode is mentioned in the official documentation.

Platforms

  • Web
    Cartesia
    Supported
    Wispr Flow
    Not supported
  • Windows
    Cartesia
    Not supported
    Wispr Flow
    Supported
  • macOS
    Cartesia
    Not supported
    Wispr Flow
    Supported
  • iOS
    Cartesia
    Not supported
    Wispr Flow
    Supported
  • Android
    Cartesia
    Not supported
    Wispr Flow
    Supported
  • API
    Cartesia
    Supported
    Wispr Flow
    Not supported
  • Browser Extension
    Cartesia
    Not supported
    Wispr Flow
    Not supported

Integrations

Cartesia

3 integrations
  • Twilio
  • Anthropic
  • OpenAI

Wispr Flow

6 integrations
  • Zoom
  • Google Meet
  • Microsoft Teams
  • Slack huddles
  • Claude
  • ChatGPT

Company

  • Company
    Cartesia
    Cartesia
    Wispr Flow
    Wispr
  • Founded
    Cartesia
    2023
    Wispr Flow
    Not listed
  • Headquarters
    Cartesia
    San Francisco, CA
    Wispr Flow
    Not listed
  • Listing
    Cartesia
    Claimed
    Wispr Flow
    Claimed

Frequently asked questions

Is Cartesia better than Wispr Flow?

It depends on your workflow. Cartesia is built for Low-latency voice agents, real-time text-to-speech and streaming transcription inside applications. Wispr Flow is built for drafting emails and documents by voice across any desktop or mobile app.

What are the key feature differences between Cartesia and Wispr Flow?

Cartesia: Real-time speech AI for developers: fast text-to-speech, transcription and voice agents. Wispr Flow: Speak in any app and get clean, punctuated text without touching the keyboard.

Does Cartesia or Wispr Flow have a free plan?

Yes, both do. Cartesia is freemium and Wispr Flow is freemium, and each has a free plan or trial.

Which is cheaper, Cartesia or Wispr Flow?

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.