LMNT vs Udio
LMNT and Udio are both AI Voice & Audio tools. LMNT starts at $10/mo, Udio at $10/mo. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose LMNT vs Udio
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
LMNT's API generates a full paragraph of audio in under 500ms, letting podcast producers audition multiple voice styles for a show before committing to a talent hire.
Extend Tracks generates musical interludes matched to interview segment timestamps without sourcing royalty-free libraries or commissioning composers per episode.
LMNT's bulk synthesis API processes entire chapter manuscripts in parallel, generating consistent-voice audiobooks at a fraction of traditional narration costs.
LMNT's streaming endpoint starts delivering audio before the full text is processed, allowing mobile apps to begin playback in under 200ms.
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
LMNT Plans
Free tier available
Free
FreeBest for: Try out AI speech models in projects
- ✓15K characters/mo included
- ✓Unlimited voice clones
- ✓Note: free to use, just give a shout out when you share
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
15 differences found across 34 standardized features
- •Voice Cloning
- •Text-to-Speech
- •Real-time Synthesis
- •Streaming API
- •Multiple Languages
- •Custom Voice Training
- •Speech Speed Control
- •Python SDK
- •JavaScript SDK
- •REST API
- •High Quality Audio
- •Low Latency
- •Commercial License
- •Studio Interface
- •Batch Processing
- •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-100ms latency ideal for real-time conversational AI
- +Voice cloning requires only 1 minute of audio data
- +Generous free tier with 100k characters/month
- +Simple, well-documented API for fast developer integration
- +Efficient model architecture minimizes computational cost
- −Limited emotional expressiveness and prosody control
- −Voice library is significantly smaller than competitors like ElevenLabs
- −Language support is primarily English-focused
- −Cloned voices can sound less natural on complex or emotional sentences
- −No dedicated tools 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
LMNT removed the "Enterprise" plan
Plan removed · May 30, 2026
LMNT removed the "Business" plan
Plan removed · May 30, 2026
LMNT removed the "Creator" plan
Plan removed · May 30, 2026
LMNT added a new "Premium" plan at $199/mo
Plan added · May 30, 2026
LMNT added a new "Pro" plan at $49/mo
Plan added · May 30, 2026
Frequently Asked Questions
Related Comparisons
LMNTFree · from $10/mo
UdioFree · from $10/moSources & Data Trail · LMNT
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-07-02)
- 2.Official Website·Official vendor website
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