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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. Aura-2DeepgramRemove
  3. Gemini 3.5 TranscribeGoogleRemove
  4. Perceptron Mk1.5PerceptronRemove

4 is the maximum. Remove one to add another.

s1 vs aura-2 vs gemini-3.5-transcribe vs perceptron-mk1.5
AttributeS1s1Aura-2aura-2Gemini 3.5 Transcribegemini-3.5-transcribePerceptron Mk1.5perceptron-mk1.5
Pricing
Input$0 / 1M$0 / 1M$0 / 1M$0.15 / 1M
Output$0 / 1M$0 / 1M$0 / 1M$1.50 / 1M
Cache Write (5m)Not applicableNot applicableNot applicable$0.15 / 1M
Cache Write (1h)Not applicableNot applicableNot applicable$0.15 / 1M
Cache ReadNot applicableNot applicableNot applicable$0.15 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/AN/A98.3K36.9K
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoYesNo
Function CallingNoNoYesNo
JSON ModeNoNoNoNo
StreamingNoNoNoYes
Catalogue
ProviderFish AudioDeepgramGooglePerceptron
Categoryvoicevoicevoicechat
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-292026-07-162026-09-252026-09-25
Description
SummaryFish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.Deepgram Aura-2 text-to-speech for real-time voice applications. Billed per input character.Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.