Kimi K2 Thinking Turbo API
Experience the speed of Kimi K2 Thinking Turbo. A Moonshot AI model optimized for latency-sensitive applications requiring deep reasoning, 128K context, and live web search capabilities.
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Kimi K2 Thinking Turbo API — Faster reasoning, reduced costs
Scale your production agents with the Kimi K2 Thinking Turbo API. Achieve complex chain-of-thought capabilities and 128K context retention with significantly lower latency than standard reasoning models.

What can the Kimi K2 Thinking Turbo API do?
High-Speed RAG & Q&A
Process extensive datasets with the Kimi K2 Thinking Turbo API. It handles 128K tokens to deliver grounded answers from your documents with minimal wait time.

Autonomous Agent Workflows
Power reliable agents using Kimi K2 Thinking Turbo API's deterministic function calling. Perfect for multi-step tasks requiring logic and external tool orchestration.

Cost-Efficient Analytics
Run high-volume classification and logic tasks. The Kimi K2 Thinking Turbo API offers a budget-friendly alternative for batch processing large-scale logic jobs.

Why developers choose Kimi K2 Thinking Turbo API
The Kimi K2 Thinking Turbo API bridges the gap between deep reasoning intelligence and production-grade speed, ensuring your users don't wait for answers.
Production-Grade Latency
Designed for real-time interactions, offering faster inference than the standard K2 Thinking model.
Advanced Tooling Ecosystem
Seamlessly integrates with search tools and custom APIs via robust JSON schema support.
Global Language Support
Excellent bilingual performance in English and Chinese, powered by Moonshot AI's MoE architecture.
How to integrate Kimi K2 Thinking Turbo API
Three simple steps to deploy fast, reasoning-capable AI agents.
Step 1 — Authenticate & Contextualize
Initialize the Kimi K2 Thinking Turbo API client and load up to 128K tokens of system prompts or documents.
Step 2 — Define Tools
Map your functions or enable the built-in web search capability to give the model real-time agency.
Step 3 — Execute & Scale
Send requests to the Turbo endpoint. Parse the JSON structured reasoning and tool calls for your application.
Kimi K2 Thinking Turbo API Capabilities
Engineered for speed, built for reasoning
128K Context Window
Ingest entire codebases or long reports effortlessly with the Kimi K2 Thinking Turbo API.
Turbo-Charged Speed
Optimized routing ensures rapid response generation for interactive apps.
Function Calling
Deterministic tool use allows the API to trigger external actions reliably.
Web Search Enabled
Optionally connect the model to the internet for fresh, real-time data retrieval.
Chain-of-Thought (CoT)
Deep reasoning capabilities with safety filters, now faster than ever.
Economical Pricing
Lower cost-per-token compared to the standard K2 Thinking model.
Kimi K2 Thinking Turbo API vs. Alternatives
Compare performance, cost, and reasoning capabilities
| Model | Duration | Resolution | Price | Strength |
|---|---|---|---|---|
| Kimi K2 Thinking Turbo API | N/A | Best for Speed/Reasoning Mix | Lowest (Turbo Rate) | Fast inference, 128K context, native tool use. |
| Kimi K2 Thinking (Standard) | N/A | Best for Deep Research | ~$0.00056 in / $0.00224 out | Maximum reasoning depth; higher latency. |
| Competitor Flash Models | N/A | General Purpose | Varies (e.g., $0.0003 in) | Often cheaper but may lack specific CoT optimization. |
Kimi K2 Thinking Turbo API - FAQ
Everything you need to know about the product and billing.