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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. Kimi K3.1 ProMoonShot AIRemove
  2. Gemini 4 ArgonGoogleRemove
  3. Perceptron Mk1.5PerceptronRemove
  4. Gemini 3.8 FlashGoogleRemove

4 is the maximum. Remove one to add another.

kimi-k3.1-pro vs gemini-4-argon vs perceptron-mk1.5 vs gemini-3.8-flash
AttributeKimi K3.1 Prokimi-k3.1-proGemini 4 Argongemini-4-argonPerceptron Mk1.5perceptron-mk1.5Gemini 3.8 Flashgemini-3.8-flash
Pricing
Input$2.00 / 1M$2.00 / 1M$0.15 / 1M$0.75 / 1M
Output$10.00 / 1M$10.00 / 1M$1.50 / 1M$3.75 / 1M
Cache Write (5m)$2.00 / 1M$2.00 / 1M$0.15 / 1M$0.75 / 1M
Cache Write (1h)$2.00 / 1M$2.00 / 1M$0.15 / 1M$0.75 / 1M
Cache Read$2.00 / 1M$2.00 / 1M$0.15 / 1M$0.75 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max context1M1M36.9K1M
Max outputN/AN/AN/AN/A
Capabilities
VisionYesYesNoYes
Function CallingYesYesNoYes
JSON ModeYesYesNoYes
StreamingYesYesYesYes
Catalogue
ProviderMoonShot AIGooglePerceptronGoogle
Categorychatchatchatchat
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released——2026-09-25—
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.Gemini 4 Argon is Google's flagship reasoning model, built for complex software engineering, deep mathematical and scientific problem solving, and autonomous multi-step agents. Google trained it to keep context across long, multi-step tasks and to turn long documents mixing text, tables, charts and images into a single grounded output. It leads the Vals Index across finance, legal, coding and tax work, and supports long decode of up to 1M output tokens in a single response.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.Gemini 3.8 Flash is Google's most intelligent Flash-class model, delivering significant improvements over Gemini 3.7 Flash across software engineering, agentic workflows, and complex multi-step reasoning. Designed to combine strong capability with Flash-tier efficiency, it is well suited for coding assistants, autonomous agents, and high-throughput production workflows that require responsive performance without sacrificing reasoning quality.