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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 K2Moonshot AIRemove
  2. Kimi K3.1 ProMoonShot AIRemove
  3. GPT-6.1 TerraOpenAIRemove
kimi-k2 vs kimi-k3.1-pro vs gpt-6.1-terra
AttributeKimi K2kimi-k2Kimi K3.1 Prokimi-k3.1-proGPT-6.1 Terragpt-6.1-terra
Pricing
Input$0.34 / 1M$2.00 / 1M$1.00 / 1M
Output$1.50 / 1M$10.00 / 1M$5.00 / 1M
Cache Write (5m)$0.34 / 1M$2.00 / 1M$1.00 / 1M
Cache Write (1h)$0.34 / 1M$2.00 / 1M$1.00 / 1M
Cache Read$0.34 / 1M$2.00 / 1M$1.00 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M
Context
Max context63K1M1M
Max outputN/AN/AN/A
Capabilities
VisionYesYesYes
Function CallingYesYesYes
JSON ModeYesYesYes
StreamingYesYesNo
Catalogue
ProviderMoonshot AIMoonShot AIOpenAI
Categorychatchatchat
Charge typePay As You GoPay As You GoPay As You Go
Released———
Description
SummaryKimi K2-Instruct-0905 is the newest and strongest Kimi K2 model — a trillion-parameter MoE system with 32B active parameters. It delivers major gains in agentic coding, better frontend development results, and an expanded 256K context window for longer tasks.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.GPT-6.1 Terra is OpenAI’s mid-tier model in the GPT-6.1 series, designed to balance capability, speed, and cost efficiency. Positioned below GPT-6.1 Sol, it delivers strong performance across everyday agentic workflows, coding, and professional writing, with particular strengths in screenshot understanding and on-screen content analysis. Optimized for high-volume production workloads, GPT-6.1 Terra is well suited for coding assistants, visual interface analysis, workflow automation, and scalable agentic applications that require reliable performance at an accessible cost.