Cartesia vs Speechify

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

Verdict

Cartesia and Speechify are both Audio & Speech AI tools. Speechify scores higher in FinderAtlas's editorial review (8.8 vs 8.3 out of 10). Both have a free plan or trial. Only Speechify is available on Windows, macOS and iOS.

Best overall

Speechify

  • Students
  • Professionals
  • People with dyslexia or ADHD
  • Content creators

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 Speechify if

  • You want a tool built for listening to PDFs, articles and textbooks, Reading emails and documents while commuting, Dictating text by voice, Adding text-to-speech to an app through the API.
  • Free plan available for basic listening.
  • More than 1,000 voices in 60+ languages on Premium.
Best for beginners
Cartesia
Best for business
Cartesia

Features

18 features compared.

  • Sonic Text-to-Speech
    Cartesia
    Available
    Speechify
    Not available
  • Ink Speech-to-Text
    Cartesia
    Available
    Speechify
    Not available
  • Managed Agents
    Cartesia
    Available
    Speechify
    Not available
  • Voice Cloning
    Cartesia
    Available
    Speechify
    Not available
  • Pronunciation Dictionaries
    Cartesia
    Available
    Speechify
    Not available
  • Regional API Routing
    Cartesia
    Available
    Speechify
    Not available
  • Telephony Support
    Cartesia
    Available
    Speechify
    Not available
  • Python and JavaScript SDKs
    Cartesia
    Available
    Speechify
    Not available
  • Usage and Access Controls
    Cartesia
    Available
    Speechify
    Not available
  • AI voice library
    Cartesia
    Not available
    Speechify
    Available
  • Adjustable listening speed
    Cartesia
    Not available
    Speechify
    Available
  • Scan and Listen
    Cartesia
    Not available
    Speechify
    Available
  • AI summaries and chat
    Cartesia
    Not available
    Speechify
    Available
  • Voice typing
    Cartesia
    Not available
    Speechify
    Available
  • AI podcasts
    Cartesia
    Not available
    Speechify
    Available
  • Voice AI Assistant
    Cartesia
    Not available
    Speechify
    Available
  • Cloud storage integrations
    Cartesia
    Not available
    Speechify
    Available
  • Browser extensions and desktop apps
    Cartesia
    Not available
    Speechify
    Available

Pricing

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

  • Pricing model
    Cartesia
    Freemium
    Speechify
    Freemium
  • Free plan
    Cartesia
    Yes
    Speechify
    Yes
  • Starting price
    Cartesia
    $0
    Speechify
    $0
  • Plans
    Cartesia
    5 plans
    Speechify
    2 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

Speechify plans

  • Free

    $0

    Basic text-to-speech listening

    • 10 robotic-sounding voices
    • Listening speeds up to 1.5x
    • Text-to-speech features only
  • Premium

    Most popular

    $29/month

    Full voice library and voice AI features; $139 per year when billed yearly

    • 1,000+ natural voices
    • 60+ languages
    • Listening at up to 5x speed
    • Scan and Listen
    • AI summaries and chats
    • Voice typing
    • AI podcasts
    • Voice AI Assistant
    • Google Drive
    • Dropbox and OneDrive integrations

Our ratings

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

Cartesia
8.3overall
Speechify
8.8overall
  • Ease of Use

    Cartesia
    7.8
    Speechify
    Not rated
  • Feature Depth

    Cartesia
    8.5
    Speechify
    Not rated
  • Value for Money

    Cartesia
    8.2
    Speechify
    Not rated
  • Performance & Speed

    Cartesia
    9.0
    Speechify
    Not rated
  • Documentation & Support

    Cartesia
    8.2
    Speechify
    Not rated
  • Voice Naturalness

    Cartesia
    Not rated
    Speechify
    8.8
  • Speed & Clarity

    Cartesia
    Not rated
    Speechify
    9.0
  • OCR & Scanning

    Cartesia
    Not rated
    Speechify
    8.4
  • Language Coverage

    Cartesia
    Not rated
    Speechify
    8.6
  • Cross-Platform Sync

    Cartesia
    Not rated
    Speechify
    9.0

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.

Speechify

Pros

  • Free plan available for basic listening
  • More than 1,000 voices in 60+ languages on Premium
  • Playback up to 5x speed on Premium
  • Scan and Listen reads printed pages through the camera
  • Apps for iOS, Android, macOS and Windows plus Chrome and Edge extensions
  • Separate developer API with a free tier

Cons

  • Free plan is limited to 10 robotic-sounding voices and 1.5x speed
  • Premium is $29 per month on monthly billing; the lower price needs a $139 yearly commitment
  • Studio and API are separate products with their own pricing, not part of Premium

Platforms

  • Web
    Cartesia
    Supported
    Speechify
    Supported
  • Windows
    Cartesia
    Not supported
    Speechify
    Supported
  • macOS
    Cartesia
    Not supported
    Speechify
    Supported
  • iOS
    Cartesia
    Not supported
    Speechify
    Supported
  • Android
    Cartesia
    Not supported
    Speechify
    Supported
  • API
    Cartesia
    Supported
    Speechify
    Supported
  • Browser Extension
    Cartesia
    Not supported
    Speechify
    Not supported
  • Chrome Extension
    Cartesia
    Not supported
    Speechify
    Supported

Integrations

Cartesia

3 integrations
  • Twilio
  • Anthropic
  • OpenAI

Speechify

3 integrations
  • Google Drive
  • Dropbox
  • Microsoft OneDrive

Company

  • Company
    Cartesia
    Cartesia
    Speechify
    Not listed
  • Founded
    Cartesia
    2023
    Speechify
    Not listed
  • Headquarters
    Cartesia
    San Francisco, CA
    Speechify
    Not listed
  • Monthly users
    Cartesia
    Not listed
    Speechify
    60M+
  • Listing
    Cartesia
    Claimed
    Speechify
    Not claimed

Frequently asked questions

Is Cartesia better than Speechify?

It depends on your workflow. Cartesia is built for Low-latency voice agents, real-time text-to-speech and streaming transcription inside applications. Speechify is built for listening to PDFs, articles and textbooks, Reading emails and documents while commuting, Dictating text by voice, Adding text-to-speech to an app through the API.

What are the key feature differences between Cartesia and Speechify?

Cartesia: Real-time speech AI for developers: fast text-to-speech, transcription and voice agents. Speechify: Listen to documents and web pages with natural AI voices, and dictate by voice.

Does Cartesia or Speechify have a free plan?

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

Which is cheaper, Cartesia or Speechify?

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