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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. Grok STT 1.0xAIRemove
  3. S1Fish AudioRemove
s2.1-pro vs grok-stt-1.0 vs s1
AttributeS2.1 Pros2.1-proGrok STT 1.0grok-stt-1.0S1s1
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 AudioxAIFish Audio
Categoryvoicevoicevoice
Charge typePay As You GoPay As You GoPay As You Go
Released2026-07-292026-07-232026-07-29
Description
SummaryFish Audio S2.1 Pro text-to-speech. Billed per UTF-8 byte of input text.xAI Grok STT 1.0 speech-to-text. Billed per second of audio.Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.