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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. Perceptron Mk1.5PerceptronRemove
  2. S2.1 ProFish AudioRemove
  3. Nemotron 3.5 ASR Streaming Multilingual 0.6BNVIDIARemove
  4. S1Fish AudioRemove

4 is the maximum. Remove one to add another.

perceptron-mk1.5 vs s2.1-pro vs nemotron-3.5-asr-streaming-multilingual-0.6b vs s1
AttributePerceptron Mk1.5perceptron-mk1.5S2.1 Pros2.1-proNemotron 3.5 ASR Streaming Multilingual 0.6Bnemotron-3.5-asr-streaming-multilingual-0.6bS1s1
Pricing
Input$0.15 / 1M$0 / 1M$0 / 1M$0 / 1M
Output$1.50 / 1M$0 / 1M$0 / 1M$0 / 1M
Cache Write (5m)$0.15 / 1MNot applicableNot applicableNot applicable
Cache Write (1h)$0.15 / 1MNot applicableNot applicableNot applicable
Cache Read$0.15 / 1MNot applicableNot applicableNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max context36.9KN/AN/AN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoNoNo
Function CallingNoNoNoNo
JSON ModeNoNoNoNo
StreamingYesNoNoNo
Catalogue
ProviderPerceptronFish AudioNVIDIAFish Audio
Categorychatvoicevoicevoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-09-252026-07-292026-08-132026-07-29
Description
SummaryPerceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.Fish Audio S2.1 Pro text-to-speech. Billed per UTF-8 byte of input text.NVIDIA Nemotron 3.5 ASR multilingual speech-to-text (0.6B). Billed per second of audio.Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.