Overview
Kimi-K2.5 is Moonshot AI’s most versatile model to date, featuring a native multimodal architecture that simultaneously supports visual and text input, thinking and non-thinking modes, and conversational and Agent tasks.
With its 256K ultra-long context window, multimodal understanding, and advanced Tool Calling capabilities, it sets a new benchmark in open-source visual programming and Agent clusters, empowering developers to build next-generation AI applications.
#Key Features
- Native Multimodal Architecture: Supports mixed input of visual and text, excels in image recognition and visual programming.
- 256K Ultra-Long Context Window: Provides a 256,000 token window, supporting long-form reasoning and processing of massive datasets.
- Agent Clusters & Tool Calling: Supports a preview version of Agent clusters (up to 100 sub-agents and 1,500 tool calls), operating 4.5x faster than single-agent configurations.
- Exceptional Coding Capabilities: Leading performance in SWE-Bench and LiveCodeBench, offering competitive programming skills at a fraction of the cost of comparable models.
- Thinking Modes: Flexible switching between quick response and deep reasoning/planning modes.
#Best Use Cases
- Visual Programming & Automation: Pixel-level webpage replication and expert-level office task automation.
- Ultra-Long Text Analysis: Legal document review, massive research report analysis, and full codebase understanding.
- Multi-Agent Collaboration: Building complex automated workflows involving multiple specialized sub-agents.
- Professional Code Generation: High-efficiency code generation, optimization, and deep debugging for developers.
#Capabilities and Limitations
| Capability | Detailed Description |
|---|---|
| Reasoning Ability | Extremely Strong. Excels in long-context reasoning and Agent task planning. |
| Creative Ability | Extremely Strong. Adept at visual programming and multimodal content creation. |
| Multimodal Ability | Native Multimodal. Outstanding performance in visual understanding and input. |
| Response Speed | Fast in quick mode; highly efficient parallel processing in Agent cluster mode. |
| Context Window | 256,000 Tokens |
| Max Output | 256,000 Tokens |
Usage example
cURL
curl https://www.namoclaw.ai/api/v1/chat/completions \
-H "Authorization: Bearer $API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "moonshotai/kimi-k2.5-0127",
"messages": [{ "role": "user", "content": "Hello!" }]
}'Default parameters
| Name | Type | Default | Description |
|---|---|---|---|
| temperature | number | — | — |
| top_p | number | — | — |
| top_k | number | — | — |
| frequency_penalty | number | — | — |
| presence_penalty | number | — | — |
| repetition_penalty | number | — | — |
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