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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. Voxtral Mini 3B 2507Mistral AIRemove
  3. Perceptron Mk1.5PerceptronRemove
  4. Claude Sonnet 5.5AnthropicRemove

4 is the maximum. Remove one to add another.

s2-pro vs voxtral-mini-3b-2507 vs perceptron-mk1.5 vs claude-sonnet-5.5
AttributeS2 Pros2-proVoxtral Mini 3B 2507voxtral-mini-3b-2507Perceptron 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 S2 Pro text-to-speech. Billed per UTF-8 byte of input text.Mistral AI Voxtral Mini (3B) 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.