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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. S2.1 ProFish AudioRemove
  2. Grok STT 1.0xAIRemove
  3. Nova-3DeepgramRemove
  4. Qwen3 ASR 1.7BQwenRemove

4 is the maximum. Remove one to add another.

s2.1-pro vs grok-stt-1.0 vs nova-3 vs qwen3-asr-1.7b
AttributeS2.1 Pros2.1-proGrok STT 1.0grok-stt-1.0Nova-3nova-3Qwen3 ASR 1.7Bqwen3-asr-1.7b
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/AN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoNoNo
Function CallingNoNoNoNo
JSON ModeNoNoNoNo
StreamingNoNoNoNo
Catalogue
ProviderFish AudioxAIDeepgramQwen
Categoryvoicevoicevoicevoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-292026-07-232026-07-152026-08-13
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.Deepgram Nova-3 speech-to-text. Billed per second of audio.Qwen3-ASR 1.7B speech-to-text. Billed per second of audio.