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Model infoModelsSnapshot: 15 Oct 2026

Udio / Udio music

Udio v1.5 Allegro

The faster v1.5 model variant documented in Udio’s release history.

Music generation
availableClosed weightsMusic generation
Official documentation (opens in a new tab)Reviewed 13 Oct 2026
8 of 21 specification fields collected
Audio output duration32 or 130 seconds per clip; exact version/mode matrix not verifiedSee specification notes below
Audio formatsNot collectedAwaiting source review
Input billingSee ratesUdio web app
Output billingSee ratesPublished units and conditions below

Specifications

Provider-documented facts. “Not collected” means we have not verified that field yet, not that the feature is unsupported.

Context / input limit
Not collected
Maximum output
Not collected
Input modalities
Text, AudioSource for Input modalities (opens in a new tab)

Text creation plus subscriber audio-upload workflows. Per-version upload contracts are not separately published.

Output modalities
AudioSource for Output modalities (opens in a new tab)
Reasoning
Not collected
Tool calling
Not collected
Structured output
Not collected
Streaming
Not collected
Batch processing
Not collected
Fine-tuning
Not collected
Knowledge cutoff
Not collected
Release date
2025-03-18Source for Release date (opens in a new tab)
Parameters
Not collected
Architecture
Not collected
Languages
Not collected
Context caching
Not collected
Output duration
32 or 130 seconds per clip; exact version/mode matrix not verifiedSource for Output duration (opens in a new tab)

These are service clip-length choices, not a new independently versioned checkpoint or final assembled-song maximum.

Published price
Standard $10/month; Pro $30/month. Free credit quota available.Source for Published price (opens in a new tab)

USD monthly plans; taxes may vary. Subscription credit limits do not roll over.

Usage metering
Two 32-second outputs: 2 credits. Two 130-second outputs: 4 credits.Source for Usage metering (opens in a new tab)

One Create/Extend/Remix/Inpaint/Edit action generates a pair. Trimming is free. No token or question conversion.

Subscription plans
Standard: 2,400 credits/month; Pro: 6,000. Free: 10 daily plus a separate 100 monthly allowance.Source for Subscription plans (opens in a new tab)

Free/trial accounts are limited to three 130-second song generations per day. Trial access does not include paid-plan credit limits.

Download availability and limits
Audio, video and stem downloads disabled during the licensing transitionSource for Download availability and limits (opens in a new tab)

Songs can still be shared using Udio URLs. Older release articles advertising downloads do not prove current export availability.

Access & pricing

Prices belong to an endpoint and billing tier. A provider listing does not guarantee access for every account or region.

Udio web app

Provider source (opens in a new tab)
API model ID
Not collected

Application model names are not official API selectors.

Access
Hosted Udio app during the licensing transition. Free and paid plans; audio uploads and advanced voice controls require a subscription.
Regions
Data residency and region-specific service availability not established.
Application selector
v1.5 AllegroSource for Application selector (opens in a new tab)
Endpoint caveat
No public API offered according to the official API help articleSource for Endpoint caveat (opens in a new tab)
Plan restrictions
Free: 4 songs simultaneously; Standard: 6; Pro: 10Source for Plan restrictions (opens in a new tab)

These are concurrent app outputs, not API rate limits.

Reference audio
Styles: one or two references; 32-second reference contextSource for Reference audio (opens in a new tab)

Reference context duration is not an LLM token limit or maximum uploaded file duration.

Voice controls
Library voices or eligible native Udio songs; no uploaded voice as a Voices sourceSource for Voice controls (opens in a new tab)

Own songs from June 2024 or earlier and songs associated with uploaded audio cannot supply a Voices reference. Two reference voices can be blended. Availability varies between Playground/Create and iOS.

Generation modes
Create, Extend, Remix, Inpaint, EditSource for Generation modes (opens in a new tab)
Billing conditions
Subscribed credit limits reset monthly; separately purchased credits never expire. One-time transition bonus is not a recurring allowance.Source for Billing conditions (opens in a new tab)

Prices retain their published currencies and billing units below.

Published billing units · original currency · observed 13 Oct 2026
CategoryUsageRateUnit
Subscription / creditsFree plan1$0.00month
Subscription / creditsStandard plan2$10.00month
Subscription / creditsPro plan3$30.00month
Subscription / creditsStandard annual plan4$96.00year
Subscription / creditsPro annual plan5$288.00year
Subscription / creditsPurchased credits · 100-credit pack6$3.00100 credits
Subscription / creditsPurchased credits · 1,000-credit pack7$25.001,000 credits

Rate conditions

  1. 10 daily credits plus 100 monthly allowance; no rollover. Limits and features differ from paid subscriptions.
  2. 2,400 monthly credits. Actual per-song expense depends on credit use and operation. Taxes may vary.
  3. 6,000 monthly credits. Taxes may vary.
  4. Annual payment; displayed as $8/month equivalent.
  5. Annual payment; displayed as $24/month equivalent.
  6. Separate top-up pack. A generation action produces two songs and consumes 2 or 4 credits depending on clip length.
  7. Separate top-up pack, not a model API or a per-question price.
Pricing source (opens in a new tab)Pricing source (opens in a new tab)

Data & enterprise terms

Hosted service terms apply. No zero-retention, no-training, dedicated deployment or ownership-of-weights guarantee is inferred.

Read the service policy (opens in a new tab)

Caching

Caching can reuse earlier input processing. Availability, lifetime and billing depend on the endpoint. A cache hit still generates a new response.

01 / INITIAL INPUTProcess & retain

The system processes eligible input and retains reusable state.

02 / LATER REQUESTCheck available state

Reuse depends on matching input, session state and the cache policy.

03 / CACHE HITReuse & generate

Reusing state can reduce repeated work. Any charges follow the billing rules below.

Udio web app

Not verified
How it works
Not collected
Minimum reusable input
Not collected
Lifetime & refresh
Not collected
How to enable it
Not collected
Usage fields
Not collected
Billing rules
Not collected
Limits & data boundaries
Not collected

No verified cache rate for this endpoint. An empty rate is not a zero charge.

What the measurements say

No benchmark observations have been added for this model. We do not turn a vendor description into a performance score.

Latency and throughput depend on the host, request size, reasoning settings and load. There is no measured speed or global usage figure in this record.

The record behind the model

Why it is included

Native model identity is established by the provider’s release/help documentation. Hosted service terms reserve underlying software/technology rights and prohibit reverse engineering; no public model-weight license is established for these named releases. Output rights and private customization do not grant model weights.

Classification evidence (opens in a new tab)

Lifecycle dates

Official release announcement18 Mar 2025Source (opens in a new tab)

Sources reviewed

Udio: wmg (opens in a new tab)Reviewed 13 Oct 2026
Udio: api (opens in a new tab)Reviewed 13 Oct 2026