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Apertis

Compare models

Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

  1. S2 ProFish AudioRemove
  2. S1Fish AudioRemove
  3. Voxtral Small 24B 2507 STTMistral AIRemove
  4. S2.1 ProFish AudioRemove

4 is the maximum. Remove one to add another.

s2-pro vs s1 vs voxtral-small-24b-2507-stt vs s2.1-pro
AttributeS2 Pros2-proS1s1Voxtral Small 24B 2507 STTvoxtral-small-24b-2507-sttS2.1 Pros2.1-pro
Pricing
Input$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Output$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Cache Write (5m)Not applicableNot applicableNot applicableNot applicable
Cache Write (1h)Not applicableNot applicableNot applicableNot applicable
Cache ReadNot applicableNot applicableNot applicableNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/AN/AN/AN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoNoNo
Function CallingNoNoNoNo
JSON ModeNoNoNoNo
StreamingNoNoNoNo
Catalogue
ProviderFish AudioFish AudioMistral AIFish Audio
Categoryvoicevoicevoicevoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-292026-07-292026-08-132026-07-29
Description
SummaryFish Audio S2 Pro text-to-speech. Billed per UTF-8 byte of input text.Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.Mistral AI Voxtral Small (24B) speech-to-text. Billed per second of audio.Fish Audio S2.1 Pro text-to-speech. Billed per UTF-8 byte of input text.