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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. S2.1 ProFish AudioRemove
  3. Qwen3 ASR 0.6BQwenRemove
  4. Gemini 3.5 TranscribeGoogleRemove

4 is the maximum. Remove one to add another.

grok-stt-1.0 vs s2.1-pro vs qwen3-asr-0.6b vs gemini-3.5-transcribe
AttributeGrok STT 1.0grok-stt-1.0S2.1 Pros2.1-proQwen3 ASR 0.6Bqwen3-asr-0.6bGemini 3.5 Transcribegemini-3.5-transcribe
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/AN/AN/A98.3K
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoNoYes
Function CallingNoNoNoYes
JSON ModeNoNoNoNo
StreamingNoNoNoNo
Catalogue
ProviderxAIFish AudioQwenGoogle
Categoryvoicevoicevoicevoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-232026-07-292026-08-132026-09-25
Description
SummaryxAI Grok STT 1.0 speech-to-text. Billed per second of audio.Fish Audio S2.1 Pro text-to-speech. Billed per UTF-8 byte of input text.Qwen3-ASR 0.6B speech-to-text. Billed per second of audio.Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.