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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. Claude Opus 4.5AnthropicRemove
kimi-k3.1-pro vs claude-opus-4-5-20251101
AttributeKimi K3.1 Prokimi-k3.1-proClaude Opus 4.5claude-opus-4-5-20251101
Pricing
Input$2.00 / 1M$5.00 / 1M
Output$10.00 / 1M$25.00 / 1M
Cache Write (5m)$2.00 / 1M$6.25 / 1M
Cache Write (1h)$2.00 / 1M$10.00 / 1M
Cache Read$2.00 / 1M$0.50 / 1M
Web Search$0 / 1M$0 / 1M
Context
Max context1M200K
Max outputN/AN/A
Capabilities
VisionYesYes
Function CallingYesYes
JSON ModeYesYes
StreamingYesYes
Catalogue
ProviderMoonShot AIAnthropic
Categorychatchat
Charge typePay As You GoPay As You Go
Released——
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.Claude Opus 4.5 is Anthropic's frontier reasoning model, built for complex engineering, agent workflows, and long computer-use tasks. It offers strong multimodal skills, better security against prompt injection, and flexible effort controls — including a Verbosity setting to trade speed vs. depth and token use. With advanced tool use, long-context handling, and support for coordinated multi-agent setups, it excels at research, debugging, multi-step planning, and UI/spreadsheet automation while improving reliability, alignment, and efficiency over earlier Opus versions.