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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. Aura-2DeepgramRemove
  2. Perceptron Mk1.5PerceptronRemove
  3. Claude Sonnet 5.5AnthropicRemove
  4. S1Fish AudioRemove

4 is the maximum. Remove one to add another.

aura-2 vs perceptron-mk1.5 vs claude-sonnet-5.5 vs s1
AttributeAura-2aura-2Perceptron Mk1.5perceptron-mk1.5Claude Sonnet 5.5claude-sonnet-5.5S1s1
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/A36.9K1MN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoYesNo
Function CallingNoNoYesNo
JSON ModeNoNoYesNo
StreamingNoYesYesNo
Catalogue
ProviderDeepgramPerceptronAnthropicFish Audio
Categoryvoicechatchatvoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-162026-09-25—2026-07-29
Description
SummaryDeepgram Aura-2 text-to-speech for real-time voice applications. Billed per input character.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.Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.