Kimi K2 Thinking
by Moonshotai
Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...
Quick Facts
Provider
Moonshotai
Model ID
moonshotai/kimi-k2-thinking
Modality
Text to Text
Tier
Premium
Last Updated
2026-07-12
Released
2025-11-06
Context Length
262K tokens
Tokenizer
Other
Input Price
$0.60/M
Output Price
$2.50/M
When To Use Kimi K2 Thinking
Best for
- Reasoning-heavy questions and step-by-step analysis
- Research, summarization, and document work
- Comparing Moonshotai responses against other leading AI models
Not ideal for
- High-volume casual chats where you want to conserve premium credits
- Native image generation workflows
- Prompts that require image or screenshot understanding
- Voice, speech, or audio transcription workflows
Input & Output
Accepts
Generates
Pricing
All prices are per 1 million tokens
Input
$0.60/M
Output
$2.50/M
Capabilities
- Natural language understanding and generation
- Advanced reasoning and problem-solving
- Long context window for extended conversations
Example Prompts
Solve this problem step by step, then summarize the final answer in one paragraph.
Summarize these notes into key findings, risks, and recommended next steps.
Compare how Kimi K2 Thinking and two other models answer this prompt.
Use Kimi K2 Thinking to produce a concise answer, then list assumptions and tradeoffs.
Supported Parameters
frequency_penaltyinclude_reasoninglogit_biasmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_pCompare and Use Kimi K2 Thinking
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Frequently Asked Questions
Try Kimi K2 Thinking In Related Workflows
Model pages work best when they connect to real tasks. Use these bots and utilities to test Kimi K2 Thinking against coding, research, and model-selection workflows.
Use Kimi K2 Thinking on RyddleAI
Access Kimi K2 Thinking with a RyddleAI subscription.
Compare Kimi K2 Thinking With Alternatives
Use these nearby models to test whether Kimi K2 Thinking is the right choice for your prompt, budget, and model family preference.
| Alternative | Provider | Tier | Why compare | Page |
|---|---|---|---|---|
| Kimi K2.6 | Moonshotai | Premium | Another Moonshotai model to compare within the same provider family | View model |
| Kimi K2.5 | Moonshotai | Premium | Another Moonshotai model to compare within the same provider family | View model |
| Qwen3.7 Max | Qwen | Premium | Same tier alternative from another provider | View model |
| Grok Build 0.1 | X-ai | Premium | Same tier alternative from another provider | View model |