Skip to content
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. Grok STT 1.0xAIRemove
  2. Gemini 3.5 TranscribeGoogleRemove
  3. S1Fish AudioRemove
  4. S2 ProFish AudioRemove

4 is the maximum. Remove one to add another.

grok-stt-1.0 vs gemini-3.5-transcribe vs s1 vs s2-pro
AttributeGrok STT 1.0grok-stt-1.0Gemini 3.5 Transcribegemini-3.5-transcribeS1s1S2 Pros2-pro
Pricing
Input$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Output$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Cache Write (5m)Not applicableNot applicableNot applicableNot applicable
Cache Write (1h)Not applicableNot applicableNot applicableNot applicable
Cache ReadNot applicableNot applicableNot applicableNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/A98.3KN/AN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionNoYesNoNo
Function CallingNoYesNoNo
JSON ModeNoNoNoNo
StreamingNoNoNoNo
Catalogue
ProviderxAIGoogleFish AudioFish Audio
Categoryvoicevoicevoicevoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-232026-09-252026-07-292026-07-29
Description
SummaryxAI Grok STT 1.0 speech-to-text. Billed per second of audio.Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.Fish Audio S2 Pro text-to-speech. Billed per UTF-8 byte of input text.