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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 Sonnet 4.6AnthropicRemove
  2. Kimi K3.1 ProMoonShot AIRemove
claude-sonnet-4-6 vs kimi-k3.1-pro
AttributeClaude Sonnet 4.6claude-sonnet-4-6Kimi K3.1 Prokimi-k3.1-pro
Pricing
Input$3.00 / 1M$2.00 / 1M
Output$15.00 / 1M$10.00 / 1M
Cache Write (5m)$3.75 / 1M$2.00 / 1M
Cache Write (1h)$6.00 / 1M$2.00 / 1M
Cache Read$0.30 / 1M$2.00 / 1M
Web Search$0 / 1M$0 / 1M
Context
Max context1M1M
Max outputN/AN/A
Capabilities
VisionYesYes
Function CallingYesYes
JSON ModeYesYes
StreamingYesYes
Catalogue
ProviderAnthropicMoonShot AI
Categorychatchat
Charge typePay As You GoPay As You Go
Released——
Description
SummarySonnet 4.6 is Anthropic's most capable Sonnet-class model, delivering frontier-level performance across coding, agent workflows, and professional knowledge tasks. It excels at iterative development, complex codebase navigation, and end-to-end project execution, supported by strong contextual understanding and persistent task handling. Beyond engineering tasks, Sonnet 4.6 produces polished documents and analyses while demonstrating reliable computer-use capabilities for web QA, workflow automation, and structured productivity workflows, making it well suited for both development and professional applications.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.