Skip to content
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. Perceptron Mk1.5PerceptronRemove
  3. Claude Sonnet 5.5AnthropicRemove
  4. Gemini 3.5 TranscribeGoogleRemove

4 is the maximum. Remove one to add another.

s2-pro vs perceptron-mk1.5 vs claude-sonnet-5.5 vs gemini-3.5-transcribe
AttributeS2 Pros2-proPerceptron Mk1.5perceptron-mk1.5Claude Sonnet 5.5claude-sonnet-5.5Gemini 3.5 Transcribegemini-3.5-transcribe
Pricing
Input$0 / 1M$0.15 / 1M$2.00 / 1M$0 / 1M
Output$0 / 1M$1.50 / 1M$10.00 / 1M$0 / 1M
Cache Write (5m)Not applicable$0.15 / 1M$2.50 / 1MNot applicable
Cache Write (1h)Not applicable$0.15 / 1M$4.00 / 1MNot applicable
Cache ReadNot applicable$0.15 / 1M$0.20 / 1MNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/A36.9K1M98.3K
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoYesYes
Function CallingNoNoYesYes
JSON ModeNoNoYesNo
StreamingNoYesYesNo
Catalogue
ProviderFish AudioPerceptronAnthropicGoogle
Categoryvoicechatchatvoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-292026-09-25—2026-09-25
Description
SummaryFish Audio S2 Pro text-to-speech. Billed per UTF-8 byte of input text.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.Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.