Cartesia vs Udio
Cartesia and Udio are both AI Voice & Audio tools. Cartesia starts at $5/mo, Udio at $10/mo. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose Cartesia vs Udio
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.
Extend Tracks generates musical interludes matched to interview segment timestamps without sourcing royalty-free libraries or commissioning composers per episode.
Inpainting replaces a drum fill or adjusts a vocal layer without regenerating the full track - maintaining sonic branding across YouTube intros, podcast bumpers, and ad spots.
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
Udio Plans
Free tier available
Free
FreeBest for: Make music with limited daily quota, no credit card required
- ✓10 credits/day
- ✓100 credits/mo (no rollovers)
- ✓Generate up to 4 songs at the same time
- ✓Limit of 3 full-length (2:10s) song generations/day
Standard
$10/moBest for: Unlock fine-tuning with introductory package
- ✓2,400 credits/mo (monthly limit, no rollovers
- ✓not included in free trial)
- ✓2-min song generations without 3/day limit (not in trial)
- ✓Generate up to 6 songs at a time
- ✓Voice Control
Capability Breakdown
16 differences found across 34 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
- •AI music generation
- •Custom lyrics
- •Any genre
- •High audio quality
- •Inpainting
- •Extend tracks
- •Remix
- •Stems
- •Commercial use
- •API
- •Fast generation
- •Music library
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
- +Generates exceptionally realistic and human-sounding vocals.
- +Advanced inpainting for precise song section editing and extension.
- +Supports a wide range of genres with high instrumental fidelity.
- +Generous free tier with 1200 monthly generation credits.
- +Active community for sharing prompts and discovering new styles.
- −Song length is currently limited to approximately 2 minutes per generation.
- −No dedicated mobile app; usage is restricted to the web interface.
- −Instrumental-only generation can be less consistent than vocal tracks.
- −Steeper learning curve for mastering advanced editing features.
- −Commercial use rights are only included in paid subscription plans.
At a Glance
Recent Price History
Udio added the "Free" plan at $0/mo
Plan added · Jun 28, 2026
Udio added the "Standard" plan at $10/mo
Plan added · Jun 28, 2026
Udio added the "Pro" plan at $30/mo
Plan added · Jun 28, 2026
Udio removed the "Build" plan
Plan removed · Jun 28, 2026
Udio removed the "Grow" 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
Cartesia added a new "Enterprise" plan
Plan added · May 21, 2026
Frequently Asked Questions
Related Comparisons
CartesiaFree · from $5/mo
UdioFree · from $10/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 · Udio
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-07-02)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.5/5
- 4.Capterra·Capterra verified reviews · 4.4/5