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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. Universal-3.5 ProAssemblyAIRemove
  2. Hy4 previewTencentRemove
  3. mai-ds-r1:freeNot in the catalogueRemove
universal-3-5-pro vs hy4-preview vs mai-ds-r1:free
AttributeUniversal-3.5 Prouniversal-3-5-proHy4 previewhy4-previewmai-ds-r1:freeNot in the catalogue
Pricing
Input— Not priced per input token$0.834 / 1M—
Output— Not priced per output token$2.50 / 1M—
Cache Write (5m)Not applicable$0.834 / 1M—
Cache Write (1h)Not applicable$0.834 / 1M—
Cache ReadNot applicable$0.834 / 1M—
Web Search$0 / 1M$0 / 1M—
Context
Max contextN/A1M—
Max outputN/AN/A—
Capabilities
VisionNoYes—
Function CallingNoYes—
JSON ModeNoYes—
StreamingNoYes—
Catalogue
ProviderAssemblyAITencent—
Categoryvoicechat—
Charge typePay As You GoPay As You Go—
Released2026-09-22——
Description
SummaryAssemblyAI Universal-3.5 Pro speech-to-text. Billed per second of audio.Tencent Hy4 Preview is a Mixture-of-Experts (MoE) model from Tencent, featuring 770B total parameters with 49B activated per token. It is designed for coding agents, complex tool-driven workflows, and professional productivity tasks that require strong planning and reliable execution. Optimized for context continuity and sustained multi-step work, Hy4 Preview is well suited for long-horizon coding, agentic automation, tool orchestration, and complex real-world workflows.—