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

  1. Perceptron Mk1.5PerceptronRemove
  2. S1Fish AudioRemove
  3. S2 ProFish AudioRemove
perceptron-mk1.5 vs s1 vs s2-pro
AttributePerceptron Mk1.5perceptron-mk1.5S1s1S2 Pros2-pro
Pricing
Input$0.15 / 1M$0 / 1M$0 / 1M
Output$1.50 / 1M$0 / 1M$0 / 1M
Cache Write (5m)$0.15 / 1MNot applicableNot applicable
Cache Write (1h)$0.15 / 1MNot applicableNot applicable
Cache Read$0.15 / 1MNot applicableNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M
Context
Max context36.9KN/AN/A
Max outputN/AN/AN/A
Capabilities
VisionNoNoNo
Function CallingNoNoNo
JSON ModeNoNoNo
StreamingYesNoNo
Catalogue
ProviderPerceptronFish AudioFish Audio
Categorychatvoicevoice
Charge typePay As You GoPay As You GoPay As You Go
Released2026-09-252026-07-292026-07-29
Description
SummaryPerceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.Fish Audio S2 Pro text-to-speech. Billed per UTF-8 byte of input text.