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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. S1Fish AudioRemove
  2. Voxtral Small 24B 2507 STTMistral AIRemove
  3. Perceptron Mk1.5PerceptronRemove
  4. Claude Sonnet 5.5AnthropicRemove

4 is the maximum. Remove one to add another.

s1 vs voxtral-small-24b-2507-stt vs perceptron-mk1.5 vs claude-sonnet-5.5
AttributeS1s1Voxtral Small 24B 2507 STTvoxtral-small-24b-2507-sttPerceptron Mk1.5perceptron-mk1.5Claude Sonnet 5.5claude-sonnet-5.5
Pricing
Input$0 / 1M$0 / 1M$0.15 / 1M$2.00 / 1M
Output$0 / 1M$0 / 1M$1.50 / 1M$10.00 / 1M
Cache Write (5m)Not applicableNot applicable$0.15 / 1M$2.50 / 1M
Cache Write (1h)Not applicableNot applicable$0.15 / 1M$4.00 / 1M
Cache ReadNot applicableNot applicable$0.15 / 1M$0.20 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/AN/A36.9K1M
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoNoYes
Function CallingNoNoNoYes
JSON ModeNoNoNoYes
StreamingNoNoYesYes
Catalogue
ProviderFish AudioMistral AIPerceptronAnthropic
Categoryvoicevoicechatchat
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-292026-08-132026-09-25—
Description
SummaryFish 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.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, serving as a direct upgrade to Sonnet 5. It excels at feature development, bug fixing, and creating polished documents, presentations, and spreadsheets, while offering clearer writing and communication than its predecessor.