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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. Claude Opus 5 (Fast)AnthropicRemove
  2. Gemini 4 ArgonGoogleRemove
  3. Kimi K3.1 ProMoonShot AIRemove
claude-opus-5-fast vs gemini-4-argon vs kimi-k3.1-pro
AttributeClaude Opus 5 (Fast)claude-opus-5-fastGemini 4 Argongemini-4-argonKimi K3.1 Prokimi-k3.1-pro
Pricing
Input$10.00 / 1M$2.00 / 1M$2.00 / 1M
Output$50.00 / 1M$10.00 / 1M$10.00 / 1M
Cache Write (5m)$12.50 / 1M$2.00 / 1M$2.00 / 1M
Cache Write (1h)$20.00 / 1M$2.00 / 1M$2.00 / 1M
Cache Read$1.00 / 1M$2.00 / 1M$2.00 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M
Context
Max context1M1M1M
Max outputN/AN/AN/A
Capabilities
VisionYesYesYes
Function CallingYesYesYes
JSON ModeYesYesYes
StreamingYesYesYes
Catalogue
ProviderAnthropicGoogleMoonShot AI
Categorychatchatchat
Charge typePay As You GoPay As You GoPay As You Go
Released———
Description
SummaryClaude Opus 5 (Fast) is the fast version of Opus 5 model.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.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.