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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. Gemini 3.1 Flash Lite PreviewGoogleRemove
  3. Perceptron Mk1.5PerceptronRemove
universal-3-5-pro vs gemini-3.1-flash-lite-preview vs perceptron-mk1.5
AttributeUniversal-3.5 Prouniversal-3-5-proGemini 3.1 Flash Lite Previewgemini-3.1-flash-lite-previewPerceptron Mk1.5perceptron-mk1.5
Pricing
Input— Not priced per input token$0.25 / 1M$0.15 / 1M
Output— Not priced per output token$1.50 / 1M$1.50 / 1M
Cache Write (5m)Not applicable$0.25 / 1M$0.15 / 1M
Cache Write (1h)Not applicable$0.25 / 1M$0.15 / 1M
Cache ReadNot applicable$0.25 / 1M$0.15 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/A1.0M36.9K
Max outputN/AN/AN/A
Capabilities
VisionNoYesNo
Function CallingNoYesNo
JSON ModeNoYesNo
StreamingNoYesYes
Catalogue
ProviderAssemblyAIGooglePerceptron
Categoryvoicechatchat
Charge typePay As You GoPay As You GoPay As You Go
Released2026-09-22—2026-09-25
Description
SummaryAssemblyAI Universal-3.5 Pro speech-to-text. Billed per second of audio.Gemini 3.1 Flash Lite Preview is Google's high-efficiency model designed for high-volume and cost-sensitive workloads. It improves overall quality compared to Gemini 2.5 Flash Lite while approaching the performance of Gemini 2.5 Flash across key capabilities. The model delivers enhancements in audio input/ASR, RAG snippet ranking, translation, data extraction, and code completion, and supports configurable thinking levels (minimal, low, medium, high) for flexible cost–performance optimization. With pricing at roughly half the cost of Gemini 3 Flash, it is well suited for large-scale production deployments.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.