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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. Voxtral Mini 3B 2507Mistral AIRemove
  2. S2.1 ProFish AudioRemove
  3. Perceptron Mk1.5PerceptronRemove
  4. Gemini 3.5 TranscribeGoogleRemove

4 is the maximum. Remove one to add another.

voxtral-mini-3b-2507 vs s2.1-pro vs perceptron-mk1.5 vs gemini-3.5-transcribe
AttributeVoxtral Mini 3B 2507voxtral-mini-3b-2507S2.1 Pros2.1-proPerceptron Mk1.5perceptron-mk1.5Gemini 3.5 Transcribegemini-3.5-transcribe
Pricing
Input$0 / 1M$0 / 1M$0.15 / 1M$0 / 1M
Output$0 / 1M$0 / 1M$1.50 / 1M$0 / 1M
Cache Write (5m)Not applicableNot applicable$0.15 / 1MNot applicable
Cache Write (1h)Not applicableNot applicable$0.15 / 1MNot applicable
Cache ReadNot applicableNot applicable$0.15 / 1MNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/AN/A36.9K98.3K
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoNoYes
Function CallingNoNoNoYes
JSON ModeNoNoNoNo
StreamingNoNoYesNo
Catalogue
ProviderMistral AIFish AudioPerceptronGoogle
Categoryvoicevoicechatvoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-08-132026-07-292026-09-252026-09-25
Description
SummaryMistral AI Voxtral Mini (3B) speech-to-text. Billed per second of audio.Fish Audio S2.1 Pro text-to-speech. Billed per UTF-8 byte of input text.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.