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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. Gemini 3.5 TranscribeGoogleRemove
  2. Perceptron Mk1.5PerceptronRemove
  3. S2 ProFish AudioRemove
  4. Aura-2DeepgramRemove

4 is the maximum. Remove one to add another.

gemini-3.5-transcribe vs perceptron-mk1.5 vs s2-pro vs aura-2
AttributeGemini 3.5 Transcribegemini-3.5-transcribePerceptron Mk1.5perceptron-mk1.5S2 Pros2-proAura-2aura-2
Pricing
Input$0 / 1M$0.15 / 1M$0 / 1M$0 / 1M
Output$0 / 1M$1.50 / 1M$0 / 1M$0 / 1M
Cache Write (5m)Not applicable$0.15 / 1MNot applicableNot applicable
Cache Write (1h)Not applicable$0.15 / 1MNot applicableNot applicable
Cache ReadNot applicable$0.15 / 1MNot applicableNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max context98.3K36.9KN/AN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionYesNoNoNo
Function CallingYesNoNoNo
JSON ModeNoNoNoNo
StreamingNoYesNoNo
Catalogue
ProviderGooglePerceptronFish AudioDeepgram
Categoryvoicechatvoicevoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-09-252026-09-252026-07-292026-07-16
Description
SummaryGoogle 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.Fish Audio S2 Pro 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.