Free AI music generators are real products, not toy demos. The limits that separate them sit in different places — one caps how long a track can run, another caps how many generations you get in a day, and almost all of them treat what you can legally do with the audio differently from what you can technically download. The useful question is not "how many songs do I get free" but "what can I do with the ones I keep".

The limits that actually differ between free tiers

Compare any two free tiers and the differences land in the same five places. Everything else — interface polish, genre presets, how the waveform looks — is secondary.

Track length. The maximum duration of a single generation. Under about a minute of audio, you are getting a hook rather than a song, and you will notice as soon as you try to fit a verse and a chorus.
Generation allowance. How many runs you get per day or per month, and whether a regenerate costs the same as a first attempt. You will regenerate far more than you expect: the first take is rarely the one you keep.
What you can download. A full mix is the minimum. Stems — separate vocals, drums, bass, and other parts — decide whether you can actually mix the track or only accept it as rendered.
How much of the workflow is included. Whether you can edit a section and keep the rest, extend a track, or change a single instrument without regenerating the whole thing.
The terms attached to the output. What the terms of service permit you to do with a track you generated on the free plan, and whether that permission differs from the paid plan.

Track length is usually the first wall

Structure is the reason. A verse, a chorus, a second verse, and a bridge need somewhere between two and four minutes to work. When a free tier caps a generation well short of that, you get a convincing eight-bar idea and no arrangement.

The test is simple and worth doing before you build anything on top of a tool: write a brief that explicitly names the structure — intro, verse, chorus, verse, bridge, chorus — and generate one track. If the result arrives already looping or already fading out, the tool is delivering a clip, and stitching clips in a separate editor is work you will be doing yourself. That is not automatically the wrong trade for a hobby project, but it is the wrong trade if you promised a client a finished track on Friday.

Downloads, stems and what leaves the platform

Downloadable audio is the dividing line between a sketchpad and a production tool. Check three things before you invest time in a free account, because the answers decide how much of the work you can keep.

Format and quality of the export. A compressed MP3 is fine for a demo and awkward for anything heading into a mix or a master.
Stems. Without separated parts, you cannot balance a vocal against the instrumental, and you cannot fix the one element that came out wrong.
Whether the track stays accessible. If your generated songs live only inside the product, cancelling or changing plans may cost you the library, not just the features. Keep the files you intend to use.

The licensing question, answered in writing

"AI-generated" does not by itself settle the rights question, and any tool that waves it away in a marketing line is worth a second look. What matters is what the terms of service say about the output you create, and whether those terms differ between the free and paid tiers, whether attribution is required, and who holds what.

Three checks keep this practical. Read the section of the terms covering user content and commercial use, and take note of the date you read it, because these clauses change. Check the policies of wherever you intend to publish — streaming platforms, stock libraries, and video platforms each have their own rules about AI-generated audio — because a tool's terms do not override them. And if a track is going into anything commercial, treat the licensing as unverified until you have read the source yourself. Using a generator for listening, for practice, or for a scratch reference is a different question from releasing a track commercially, and the two should not be run together.

What a free tier is genuinely good for

Reference tracks. A rough sketch of the arrangement you want to record properly, for a fraction of the time a session drummer would take to communicate the same idea.
Background music for videos, streams, and presentations where a specific track is not the point.
Lyric and vocal scratch work — hearing how a line sits over a melody before committing to a recording session.
Writing prompts as a way to find a direction when you have the mood but not the material.
Listening. Personalised stations and catalog browsing cost nothing to explore, and they tell you quickly whether a platform's sound is even in your territory.

When the free tier stops being the right answer

Three signals say you have outgrown it: you are regenerating the same section more than a handful of times and the allowance is the constraint instead of your judgment; you need stems or a specific export format; or something is being delivered to a paying client on a deadline. At that point the cost of the tool is noise next to the cost of your time, and the decision should be made on workflow rather than on price.

How to judge a free AI music generator in one sitting

Generate one full-length track from a structured brief, not a one-line prompt.
Change one element — instrument, tempo, or mood — and regenerate, to see whether the tool responds to direction or produces a different song.
Ask for a genre outside your comfort zone; the failure mode of a weak generator is that everything sounds the same.
Find the download options and confirm what comes out.
Locate the terms section on commercial use and read it.
Check whether a track can be published with its own page and shared, or only played inside the app.

Writing a proper brief is the part most people skip, and it is the highest-leverage skill with any of these tools. A four-step prompt workflow covers how to describe structure, instrumentation, and mood so that the first generation is closer to usable.

Frequently asked questions

Are free AI music generators actually free?

The generation is free to start with, and the limits are length, allowance, and export options rather than a paywall on day one. Where the free tier usually differs from a paid plan is what you can download and how the terms treat commercial use, so read both before building around it.

Can I use AI-generated music commercially?

That depends on the tool's terms of service and on the policy of wherever you publish, not on the fact that the audio was generated. Check the terms covering output and commercial use, check the publishing platform's rules on AI content, and treat the answer as unverified if you have not read the source.

How long does a free tier track usually run?

It varies by tool, which is exactly why length belongs at the top of your comparison. As a working rule, anything under a minute or so of output is a clip rather than a finished arrangement, and you will need to extend or assemble it yourself.

Do I need stems to use AI-generated audio in a mix?

For a finished mix, yes. Without separated parts you cannot rebalance the vocal against the instrumental or replace one weak element, so anything that only exports a full mix is best treated as final-as-rendered audio.

Can I publish AI songs from a free account?

Publishing capability varies. Some platforms give every track a public page in a catalog; others keep generation private. If distribution and discovery are part of why you are generating, check that publishing and a shareable track page are included before you commit time.

EchoLoRA's catalog shows what published AI tracks look like when each one gets a page — title, artist, genre, lyrics, and play counts — and the creator directory is where public profiles collect. Generation and listening start free with no card required, so the honest way to judge the tool is to write one structured brief and see what comes back.