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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. Perceptron Mk1.5PerceptronRemove
  2. GPT-6 Luna ProOpenAIRemove
  3. S2.1 ProFish AudioRemove
  4. Nova-3DeepgramRemove

4 is the maximum. Remove one to add another.

perceptron-mk1.5 vs gpt-6-luna-pro vs s2.1-pro vs nova-3
AttributePerceptron Mk1.5perceptron-mk1.5GPT-6 Luna Progpt-6-luna-proS2.1 Pros2.1-proNova-3nova-3
Pricing
Input$0.15 / 1M$0.10 / 1M$0 / 1M$0 / 1M
Output$1.50 / 1M$0.50 / 1M$0 / 1M$0 / 1M
Cache Write (5m)$0.15 / 1M$0.10 / 1MNot applicableNot applicable
Cache Write (1h)$0.15 / 1M$0.10 / 1MNot applicableNot applicable
Cache Read$0.15 / 1M$0.10 / 1MNot applicableNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max context36.9K1.1MN/AN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionNoYesNoNo
Function CallingNoYesNoNo
JSON ModeNoYesNoNo
StreamingYesYesNoNo
Catalogue
ProviderPerceptronOpenAIFish AudioDeepgram
Categorychatchatvoicevoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-09-25—2026-07-292026-07-15
Description
SummaryPerceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.GPT-6 Luna Pro uses the same underlying model as GPT-6 Luna, but runs with reasoning.mode set to pro for higher-quality responses on complex tasks. It combines Luna's speed and cost efficiency with deeper reasoning and more reliable multi-step execution, making it well suited for advanced coding, computer use, and agentic workflows where higher solution quality is needed without moving to a larger GPT-6 tier.Fish Audio S2.1 Pro text-to-speech. Billed per UTF-8 byte of input text.Deepgram Nova-3 speech-to-text. Billed per second of audio.