Cartesia vs Speechify
- ✦ Ultra-Low Latency (<100ms)
- ✦ Voice Cloning
- ✦ 40+ Languages
- ✦ 30+ AI voices
- ✦ Celeb voices (Snoop Dogg etc)
- ✦ Up to 4.5x reading speed
Cartesia and Speechify are both AI Voice & Audio tools. Cartesia starts at $5/mo, Speechify at $29/mo. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose Cartesia vs Speechify
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
Cartesia's Sonic model streams audio with under 100ms time-to-first-audio, enabling real-time conversational AI where latency above 300ms breaks the natural back-and-forth.
Voice cloning from a 30-second audio sample creates a brand voice that reads any dynamic text consistently, eliminating per-recording studio sessions for product updates.
Cartesia generates audio in 40+ languages while preserving the speaker's accent from the original voice clone, avoiding the flat synthetic accent common in other TTS systems.
Import depositions and contracts, listen at 4.5x speed with highlight tracking synced to playback, cutting a 6-hour document review to under 90 minutes.
Speechify's API brings 30+ AI voices into SaaS dashboards and onboarding flows, shipping accessible text-to-speech on any text element within days of integration.
Generate audio from five copy variants using celebrity voices like Snoop Dogg or Morgan Freeman, then A/B test tone and style before booking studio time.
Pricing Comparison & PlansHigh· Verified Jul 2, 2026
Cartesia Plans
Free tier available
Free
FreeBest for: Ideal for individuals to explore basic AI voice features and test the platform's capabilities without any cost.
- ✓20K credits/mo
- ✓$1 prepaid agents/mo
- ✓TTS + STT
- ✓~27 TTS min/mo
- ✓~1h 51m STT/mo
Pro
$5/moBest for: Perfect for individuals needing more advanced AI voice generation, offering enhanced features beyond the free tier for a low monthly fee.
- ✓100K credits/mo
- ✓$5 prepaid agents/mo
- ✓Everything in Free + commercial use license
- ✓Instant voice cloning
- ✓~133 TTS min/mo
Startup
$49/moBest for: Designed for small teams or growing projects, this plan provides significant feature upgrades and higher usage limits for serious development.
- ✓1.25M credits/mo
- ✓$49 prepaid agents/mo
- ✓Everything in Pro + Pro voice cloning
- ✓Organizations
- ✓~1,667 TTS min/mo
Scale
$299/moBest for: established businesses requiring extensive AI voice capabilities, offering high volume usage and advanced tools for production environments.
- ✓8M credits/mo
- ✓$299 prepaid agents/mo
- ✓Everything in Startup + Priority support
- ✓High concurrency limits
- ✓~10,667 TTS min/mo
Enterprise
Contact SalesBest for: Tailored for large organizations with unique requirements, this plan offers custom features, dedicated support, and scalable infrastructure.
- ✓Custom credits & agent usage
- ✓Volume pricing
- ✓Everything in Scale + Custom concurrency limits
- ✓DPAs and BAAs
- ✓Shared Slack channel
Capability Breakdown
17 differences found across 30 standardized features
- •Ultra-Low Latency (<100ms)
- •Voice Cloning
- •40+ Languages
- •Real-time Streaming
- •Sonic Model
- •Natural Speech
- •Emotion Control
- •Speed Control
- •Pitch Control
- •Websocket API
- •REST API
- •Custom Voice Training
- •SSML Support
- •Batch Processing
- •SDK Support
- •30+ AI voices
- •Celeb voices (Snoop Dogg etc)
- •Up to 4.5x reading speed
- •Chrome extension
- •iOS & Android app
- •PDF & doc import
- •Web clipping
- •Highlight tracking
- •Dyslexia font
- •Offline mode
- •Multiple languages
- •Bookmarks
- •Custom speed
- •Background audio
- •Apple Watch app
- •Focus mode
- •Commercial use
- •API access
- •Team workspace
- •Education pricing
Strengths & Limitations
Evaluative strengths and weaknesses: not feature lists
- +Sub-80ms P99 latency for truly conversational AI
- +Optimized for streaming audio, reducing perceived lag
- +High-fidelity voice cloning from just 30s of audio
- +API designed for interruptible, real-time interactions
- +Consistent voice quality even at extreme speeds
- −Higher per-character cost than bulk TTS providers at scale
- −Limited library of pre-made, off-the-shelf voices
- −Fewer emotional expression controls vs creative-focused APIs
- −Steeper learning curve for non-real-time use cases
- −Lacks advanced features for long-form content like audiobooks
- +Listen at up to 900 WPM (4.5x speed), the fastest TTS available
- +Scan and listen to physical books and documents with mobile OCR
- +Seamless cross-device syncing of library and listening position
- +High-quality, natural-sounding HD voices in 30+ languages
- +Browser extension reads Google Docs, emails, and web articles aloud
- −Free version is very limited; most core features require Premium
- −Premium pricing is significantly higher than competing TTS apps
- −No commercial usage rights for generated audio, consumption only
- −The AI voices, while good, can sound robotic on complex content
- −Mobile app can be buggy, occasionally losing place or crashing
At a Glance
Recent Price History
Speechify removed the "Studio Free" plan
Plan removed · Jun 28, 2026
Speechify removed the "Studio Starter" plan
Plan removed · Jun 28, 2026
Speechify removed the "Studio Creator" plan
Plan removed · Jun 28, 2026
Speechify removed the "API" plan
Plan removed · Jun 28, 2026
Cartesia removed the "Growth" plan
Plan removed · May 30, 2026
Cartesia lowered "Scale" from $499/mo to $299/mo (-40%)
Price change · May 30, 2026
Cartesia added a new "Startup" plan at $49/mo
Plan added · May 30, 2026
Cartesia added a new "Pro" plan at $5/mo
Plan added · May 30, 2026
Speechify added a new "Studio Starter" plan at $19/user/mo
Plan added · May 30, 2026
Cartesia added a new "Enterprise" plan
Plan added · May 21, 2026
Frequently Asked Questions
Related Comparisons
CartesiaFree · from $5/mo
SpeechifyFree · from $29/moSources & Data Trail · Cartesia
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-07-02)
- 2.Official Website·Official vendor website
- 3.PeerSpot·PeerSpot enterprise peer reviews
Sources & Data Trail · Speechify
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-07-02)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.4/5 · 47 reviews
- 4.Capterra·Capterra verified reviews · 4.8/5
- 5.PeerSpot·PeerSpot enterprise peer reviews