Eleven Turbo v2.5 vs Eleven v3: Which text to speech API Should You Use? (2026)
Eleven Turbo v2.5 vs Eleven v3 for text to speech: pricing, parameters and when to pick which — both are testable in the NamiFusion playground.
Eleven Turbo v2.5 and Eleven v3 are both text to speech models on NamiFusion — same REST API, same credit system, near-zero switching cost. The only real question is which to reach for first. Here is a practical decision guide by price, control and use case.
Spec snapshot
· Eleven Turbo v2.5 (ElevenLabs): text to speech, 5 tunable parameters, about $0.010 per typical run
· Eleven v3 (ElevenLabs): text to speech, 5 tunable parameters, about $0.010 per typical run
When should you pick which?
· Similar pricing: run a few tests of each in the playground and pick by output quality.
· Similar control: prefer whichever has docs and examples closer to your use case.
· Still unsure? Test both: run the same prompt through each model in the playground (exact quote before submit) — that is the fastest answer.
How hard is it to switch?
Near zero on NamiFusion: both models share the same POST /run endpoint — change the model_id and parameter names, and your keys, credits and polling logic all carry over.
FAQ
Can I use both models at once?+
Yes — one API key can call any model in the store; each is billed at its own price.
How current is this comparison?+
Specs and prices come from live model configuration; this page refreshes automatically every day.
Does the free trial cover both models?+
Signup bonus credits can only be used on selected models, and eligibility may change. The playground shows the exact quote for both models before submission.