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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. Universal-3.5 ProAssemblyAIRemove
  2. S2.1 ProFish AudioRemove
  3. Voxtral Mini 3B 2507Mistral AIRemove
universal-3-5-pro vs s2.1-pro vs voxtral-mini-3b-2507
AttributeUniversal-3.5 Prouniversal-3-5-proS2.1 Pros2.1-proVoxtral Mini 3B 2507voxtral-mini-3b-2507
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
ProviderAssemblyAIFish AudioMistral AI
Categoryvoicevoicevoice
Charge typePay As You GoPay As You GoPay As You Go
Released2026-09-222026-07-292026-08-13
Description
SummaryAssemblyAI Universal-3.5 Pro speech-to-text. Billed per second of audio.Fish Audio S2.1 Pro text-to-speech. Billed per UTF-8 byte of input text.Mistral AI Voxtral Mini (3B) speech-to-text. Billed per second of audio.