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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. Grok STT 1.0xAIRemove
s2.1-pro vs nemotron-3.5-asr-streaming-multilingual-0.6b vs grok-stt-1.0
AttributeS2.1 Pros2.1-proNemotron 3.5 ASR Streaming Multilingual 0.6Bnemotron-3.5-asr-streaming-multilingual-0.6bGrok STT 1.0grok-stt-1.0
Pricing
Input$0 / 1M$0 / 1M$0 / 1M
Output$0 / 1M$0 / 1M$0 / 1M
Cache Write (5m)Not applicableNot applicableNot applicable
Cache Write (1h)Not applicableNot applicableNot applicable
Cache ReadNot applicableNot applicableNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/AN/AN/A
Max outputN/AN/AN/A
Capabilities
VisionNoNoNo
Function CallingNoNoNo
JSON ModeNoNoNo
StreamingNoNoNo
Catalogue
ProviderFish AudioNVIDIAxAI
Categoryvoicevoicevoice
Charge typePay As You GoPay As You GoPay As You Go
Released2026-07-292026-08-132026-07-23
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.xAI Grok STT 1.0 speech-to-text. Billed per second of audio.