Kimi K2 Turbo Preview

Kimi K2 Turbo API Overview

Kimi K2 Turbo Preview is an advanced iteration of the Moonshot AI family, featuring a state-of-the-art Mixture-of-Experts (MoE) architecture. This model is engineered for ultra-fast response times and excels in handling complex reasoning tasks. Designed to support extensive contextual understanding, it manages up to 262,000 tokens, enabling enhanced precision in coding, data analysis, and multi-agent interaction scenarios.

Technical Specifications

• Architecture: Mixture-of-Experts (MoE)
• Maximum Context Length: 262,144 tokens (262K)
• Model Type: Large-scale, multitask transformer variant with expert routing
• Precision: Mixed precision training and inference for efficiency and speed
• Compute Efficiency: Dynamic expert activation to optimize resource usage
• Supported Modalities: Text input with specialized modules for code interpretation and reasoning logic
• Latency: Ultra-low latency suitable for real-time complex reasoning

Performance Benchmarks

• Inference Speed: Up to 30% faster response compared to predecessor Moonshot AI baseline
• Reasoning Accuracy: 15% improvement on complex reasoning benchmarks (e.g., code comprehension, data synthesis)
• Contextual Comprehension: Successfully processes and utilizes context up to 262K tokens, a 3x increase over typical large language models
• Coding Tasks: Exhibits superior bug detection and code generation accuracy across multiple programming languages
• Data Analysis: Excels in multivariate data interpretation and generating precise analytical summaries

Key Features

• Ultra-Long Context Window: Processes large documents and multi-stage conversations without losing context.
• Mixture-of-Experts Efficiency: Dynamically activates specialized expert subnetworks for optimized performance and reduced computational overhead.
• Enhanced Precision in Coding: Provides reliable programming assistance with reduced syntax and logical errors.
• Advanced Reasoning Capabilities: Capable of solving multi-step problems, logical deductions, and data-driven decisions.

Kimi K2 Turbo API Pricing

• Input: $0.78 / 1M tokens
• Output: $13 / 1M tokens

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Code Sample

Comparison with Other Models

vs Moonshot AI Base: Kimi K2 Turbo offers triple the context window and a 30% faster response rate, significantly improving complex reasoning and coding accuracy.

vs Grok 2: While Grok 2 excels in general-purpose language tasks, Kimi K2 Turbo is specialized for extensive coding and analytical applications with longer contexts.

vs Qwen-Omni: Qwen-Omni is strong in multimodal tasks, but Kimi K2 Turbo delivers superior performance in pure text-based reasoning with exceptionally large context support.

vs Claude 4.5: Claude 4.5 is known for dialogue and general tasks, but Kimi K2 Turbo outperforms in technical precision and sustained contextual handling.