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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. Kimi K3.1 ProMoonShot AIRemove
  2. DeepSeek V4 Pro 0813DeepSeekRemove
  3. Universal-3.5 ProAssemblyAIRemove
kimi-k3.1-pro vs deepseek-v4-pro-0813 vs universal-3-5-pro
AttributeKimi K3.1 Prokimi-k3.1-proDeepSeek V4 Pro 0813deepseek-v4-pro-0813Universal-3.5 Prouniversal-3-5-pro
Pricing
Input$2.00 / 1M$0.435 / 1M— Not priced per input token
Output$10.00 / 1M$0.87 / 1M— Not priced per output token
Cache Write (5m)$2.00 / 1M$0.435 / 1MNot applicable
Cache Write (1h)$2.00 / 1M$0.435 / 1MNot applicable
Cache Read$2.00 / 1M$0.435 / 1MNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M
Context
Max context1M1MN/A
Max outputN/AN/AN/A
Capabilities
VisionYesYesNo
Function CallingYesYesNo
JSON ModeYesYesNo
StreamingYesYesNo
Catalogue
ProviderMoonShot AIDeepSeekAssemblyAI
Categorychatchatvoice
Charge typePay As You GoPay As You GoPay As You Go
Released——2026-09-22
Description
SummaryKimi 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.AssemblyAI Universal-3.5 Pro speech-to-text. Billed per second of audio.