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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. S2.1 ProFish AudioRemove
  2. Nemotron 3.5 ASR Streaming Multilingual 0.6BNVIDIARemove
  3. Perceptron Mk1.5PerceptronRemove
s2.1-pro vs nemotron-3.5-asr-streaming-multilingual-0.6b vs perceptron-mk1.5
AttributeS2.1 Pros2.1-proNemotron 3.5 ASR Streaming Multilingual 0.6Bnemotron-3.5-asr-streaming-multilingual-0.6bPerceptron Mk1.5perceptron-mk1.5
Pricing
Input$0 / 1M$0 / 1M$0.15 / 1M
Output$0 / 1M$0 / 1M$1.50 / 1M
Cache Write (5m)Not applicableNot applicable$0.15 / 1M
Cache Write (1h)Not applicableNot applicable$0.15 / 1M
Cache ReadNot applicableNot applicable$0.15 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/AN/A36.9K
Max outputN/AN/AN/A
Capabilities
VisionNoNoNo
Function CallingNoNoNo
JSON ModeNoNoNo
StreamingNoNoYes
Catalogue
ProviderFish AudioNVIDIAPerceptron
Categoryvoicevoicechat
Charge typePay As You GoPay As You GoPay As You Go
Released2026-07-292026-08-132026-09-25
Description
SummaryFish 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.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.