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Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

  1. mai-ds-r1:freeNot in the catalogueRemove
  2. Universal-3.5 ProAssemblyAIRemove
mai-ds-r1:free vs universal-3-5-pro
Attributemai-ds-r1:freeNot in the catalogueUniversal-3.5 Prouniversal-3-5-pro
Pricing
Input—— Not priced per input token
Output—— Not priced per output token
Cache Write (5m)—Not applicable
Cache Write (1h)—Not applicable
Cache Read—Not applicable
Web Search—$0 / 1M
Context
Max context—N/A
Max output—N/A
Capabilities
Vision—No
Function Calling—No
JSON Mode—No
Streaming—No
Catalogue
Provider—AssemblyAI
Category—voice
Charge type—Pay As You Go
Released—2026-09-22
Description
Summary—AssemblyAI Universal-3.5 Pro speech-to-text. Billed per second of audio.