VoiceStack

Boomy vs Cartesia: Which Is Better in 2026?

TL;DR

On balance, Cartesia comes out ahead — 8.2 to 6.8 — though the right answer depends on what you're producing. If voice quality is the deciding factor, Cartesia (9/10) is the safer pick; if you're price-sensitive, Cartesia is the better value (8/10).

Head-to-head

MetricBoomyCartesia
Overall score6.88.2
Voice quality6.09.0
Value7.08.0
UI7.08.0
Free tierYesYes
Cheapest paid plan$10/mo$4/mo
Most popular plan$30/mo$39/mo
Languages supported140
Voices in catalog50
Voice cloningNoYes
API availableNoYes
Emotion controlNoYes
Multi-speakerNoYes
Commercial useYesYes
Audio qualitystudio-44.1kHzstudio-44.1kHz
Output formatsmp3, wavmp3, wav, pcm, ulaw
Founded2018 · United States2023 · United States
Enterprise planNoYes

Pricing showdown

If budget is the deciding factor, Cartesia wins on entry pricing: $4 vs $10/mo.

When to choose Boomy

  • You prefer Boomy's editorial direction or have an existing workflow built around it.

When to choose Cartesia

  • You're auditioning against human voice talent and need to sound studio-grade.
  • Budget is the dominant constraint and you need predictable per-minute economics.
  • Multilingual reach is the deciding factor — Cartesia carries 40 languages vs 1.
  • You need consented voice cloning for a specific speaker.

Related comparisons

Frequently asked questions

Is Boomy or Cartesia better for podcast voiceover?

For podcast voiceover, Cartesia edges out Boomy on our rubric (8.0 vs 6.8). The deciding factor is long-form consistency and natural pacing.

Which one is cheaper?

Cartesia starts at $4/month, cheaper than Boomy's $10/month entry plan.

Which has more languages?

Boomy supports 1 languages; Cartesia supports 40. Cartesia is the broader choice for multilingual projects.

Do both offer voice cloning?

Cartesia supports voice cloning; Boomy does not.

Which is better for ai music for video?

For ai music for video, Boomy scores 7.0/10 versus Cartesia's 8.2/10 — see our use-case page for the full ranked list.