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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. Kimi K3.1 ProMoonShot AIRemove
  3. DeepSeek V4 Pro 0813DeepSeekRemove
universal-3-5-pro vs kimi-k3.1-pro vs deepseek-v4-pro-0813
AttributeUniversal-3.5 Prouniversal-3-5-proKimi K3.1 Prokimi-k3.1-proDeepSeek V4 Pro 0813deepseek-v4-pro-0813
Pricing
Input— Not priced per input token$2.00 / 1M$0.435 / 1M
Output— Not priced per output token$10.00 / 1M$0.87 / 1M
Cache Write (5m)Not applicable$2.00 / 1M$0.435 / 1M
Cache Write (1h)Not applicable$2.00 / 1M$0.435 / 1M
Cache ReadNot applicable$2.00 / 1M$0.435 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/A1M1M
Max outputN/AN/AN/A
Capabilities
VisionNoYesYes
Function CallingNoYesYes
JSON ModeNoYesYes
StreamingNoYesYes
Catalogue
ProviderAssemblyAIMoonShot AIDeepSeek
Categoryvoicechatchat
Charge typePay As You GoPay As You GoPay As You Go
Released2026-09-22——
Description
SummaryAssemblyAI Universal-3.5 Pro speech-to-text. Billed per second of audio.Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model, building on Kimi K3 with enhanced post-training for advanced reasoning and autonomous task execution. It features a 1M-token context window and native image and video understanding, enabling complex, long-context multimodal workflows. Optimized for long-horizon coding, 3D creation, financial research, and end-to-end agentic knowledge work, Kimi K3.1 Pro is well suited for autonomous software engineering, multimodal analysis, and complex professional workflows that require sustained reasoning and reliable execution.DeepSeek V4 Pro 0813 is DeepSeek's large-scale Mixture-of-Experts (MoE) model and the general availability (GA) release of DeepSeek V4 Pro. It is designed for high-capability workloads requiring advanced reasoning, coding, and agentic task execution. As the production-ready V4 Pro release, it is well suited for complex software engineering, long-horizon agent workflows, and demanding reasoning tasks where reliability and model capability are critical.